Class 7

Punjab State Board PSEB 7th Class Computer Science Book Solutions Chapter 7 Introduction to Multimedia Textbook Exercise Questions and Answers.

PSEB Solutions for Class 7 Computer Science Chapter 7 Introduction to Multimedia

Computer Guide for Class 7 PSEB Introduction to Multimedia Textbook Questions and Answers

1. Fill in the Blanks

Question 1.
Multimedia is a combination of two words …………… and …………….
(a) Images Sound
(b) Audio, Video
(c) Multi, Media
(d) Hardware, Software.
Answer:
(c) Multi, Media

Question 2.
Animation is of two types, these are …………… and …………… .
(a) Analog, Digital
(b) Static, Hyper
(c) Raster, Bitmap
(d) Path, Frame.
Answer:
(d) Path, Frame.

Question 3.
Requirements for Multimedia are …………… and …………… .
(a) Images, Sound
(b) Analog, Digital
(c) Hardware, Software
(d) Multimedia.
Answer:
(c) Hardware, Software

Question 4.
Input devices consists of …………… and …………… .
(a) Monitor, Printer
(b) RAM, Hard Disk
(c) Keyboard, Mouse
(d) Hardware, Software.
Answer:
(c) Keyboard, Mouse

Question 5.
In Multimedia, Text is of …………… and …………… type.
(a) Analog, Digital
(b) Raster, Bitmap
(c) Static, Hyper
(d) Path, Frame.
Answer:
(c) Static, Hyper

2. Very Short Answer Type Questions

Question 1.
In how many types a video can be classified?
Answer:
Video can be divided into two types: Analog and Digital video.

Question 2.
There are how many types of text?
Answer:
There are two types of text, Static text and Hyper text.

Question 3.
Write the name of any one type of animation.
Answer:
Path animation.

Question 4.
Write any one application of Multimedia.
Answer:
Multimedia can be used in the field of education; it is used to teach students visually.

3. Short Answer Type Questions

Question 1.
What is an Animation?
Answer:
Animation is the process of displaying multiple images one after the other. For example: Cartoon movies, games etc. There are two types of animation.

Path Animation: In this animation, path geometry is used as an input.
Frame Animation: In this animation, pictures are shown moving in a frame.

Question 2.
What is Video?
Answer:
Video means moving pictures with sound. This is the best way to communicate with each other. It is used in multimedia to present more information and saves a lot of time. The most commonly used software for watching videos are: Quick Time, Real Player, window media player.

Question 3.
What is Multimedia Conferencing?
Answer:
Multimedia Conferencing is a process of interacting with various people all around the world using tools of multimedia like camera, microphone, a display and so on.
There are various software and applications that allow you to do that.

4. Long Answer Type Questions

Question 1.
What is Multimedia? Explain the components of multimedia.
Answer:
Multimedia is a form of communication that combines different types of data such as text, audio, images, animations or video into a single presentation. Components of multimedia are as follow :
1. Text:
It is a combination of characters and certain symbols. Text is commonly used to send messages. In multimedia we can present text in a very attractive way using fonts, colors and styles. The most commonly used software for viewing text files are Microsoft Word, Notepad, Word Pad etc.
We can use two types of text in multimedia

(а) Static Text: Static text is a simple text that we use to type messages or other documents or given along with images to describe the image.
(b) Hypertext: Hypertext is text that contains links to other texts.

2. Images: In multimedia we make the concept more effective and presentable with the help of images. There are two types of images :

(a) Raster or Bitmap Images: Bitmap images are real images that are captured from digital cameras or scanners.

(b) Vector Images:
Vector images are drawn using lines, circles and other mathematical equations. These images remain smooth even when zoomed in. Vector imagery requires less memory to store and thus we can use less data to represent the image. These images are editable.

3. Audio:
In multimedia audio means recording or playing sound, speeches, music etc. Audio is an important part of multimedia because the concept that we cannot understand in the form of text, we explain in audio format. Some sound formats are :

(а) MIDI:
The full name of MIDI is Musical Instrument Digital Identifier. It is a communication tool developed for computers and electronic devices. It’s a flexible and easy way to create music projects in multimedia.

(b) Digital Audio: Digital audio is a better alternative to MIDI files. Digital sound files are created from predefined music to record live music.

4. Video:
Video means moving pictures with sound. This is the best way to communicate with each other. It is used in multimedia to present more information and saves a lot of time. The video is divided into two parts:

(a) Analog Videos:
Analog video is created in a video camera. Analog video, represents moving visual images (video) in the form of analog signals. The red, green and blue intensities are used to record these videos.

(b) Digital Videos:
Digital video is an electronic representation of moving visual images (video) in the form of encoded digital data. Digital video is audio/visual data in a binary format. Information is ‘ represented as a sequence of zeroes and ones.

5. Animation:
Animation is the process of displaying multiple images one after the other. Animation is a method in which images are shown as a video at high speed. For example: Cartoon movies, games etc. There are two types of animation.

• Path Animation: In this animation, path geometry is used as an input.
• Frame Animation: In this animation, pictures are shown moving in a frame.

Question 2.
What are the requirements for multimedia?
Answer:
In multimedia, projects are created by combining text, graphics, sounds, videos etc. These projects require verity of hardware and software. The hardware and software commonly used in multimedia are as follows :

Hardware Requirements:
The following hardware is required to create multimedia apps. These hardware include inputs, outputs and storage devices.
1. Input Devices: Those devices which are used to enter data and instructions into a computer are called input devices. They add text, graphics, sounds, videos etc. to projects. The following are the input
devices used in multimedia,

• Keyboard
• Mouse
• Scanner
• Touch Screen
• Microphone
• Voice Recognition System
• Digital Camera
• Joystick
• Light Pen

2. Output Devices:
Those devices which are used to receive data from a computer. For example: printing a document, displaying images on a screen and playing audio or video. Below are the names of some of the output devices.

• Monitor
• Audio Devices
• Video Devices
• Projectors
• Speakers
• Printers etc.

3. Storage Devices:
The process of permanently saving data and instructions is called storage and the devices in which multimedia projects are stored are called storage devices. The following are some of the storage devices used to store multimedia projects :

• Hard Disk Drive
• Magnetic Tape
• RAM if) External Disk Drive
• CD-R, CD-RW, DVD
• Pen Drive

Software Requirements:
Multimedia software is a tool used to edit and manage the key elements of multimedia such as text, graphics, sound, animation and video. The following are some of the specific software used for multimedia projects.

• Adobe Director
• Create Together
• Media Blander
• Media Works 6.2
• Play mo
• Multimedia Builder

Question 3.
What is a Multimedia Presentation? What should we keep in mind before preparing Multimedia presentation?
Answer:
The multimedia presentations are electronic documents that can include text, diagrams, graphics, photographs, sounds, animations, video clips etc.
Multimedia presentations are used to convey a message to others using a variety of communication methods. These presentations usually include text, animation, video, audio or interactive features such as forms, popup and more. The following should be kept in mind when creating a multimedia presentation :

• Text should be kept to a minimum in multimedia presentations.
• The level of audio and music quality should be good.
• The keyboard and mouse should be accessible for the convenience of the user.
• Multimedia presentation should be effective and small in size.

Question 4.
Write down applications of multimedia.
Answer:
Following are the common areas of applications of multimedia :
1. Education: Multimedia is used to teach students in school and colleges. Nowadays multimedia CDs are used instead of text books.

2. Business:
Multimedia applications are used in business for marketing, advertising, network communications, online shopping and more. It is also used in commercial marketing to motivate customers to buy products.

3. Advertisement:
Advertising industry uses multimedia to promote businesses, products and services. Multimedia advertising is done using animations and graphic design. Television, radio and print advertising are the most common mediums used in advertising.

4. Entertainment:
Multimedia is widely used in the entertainment industry. It is used especially in movies and video games to create special effects. Music and video apps are a great example of multimedia in entertainment.

5. Public Places:
Multimedia is available in many public places like trade shows, libraries, railway stations, museums, malls, airports, banks, hotels and exhibitions in the form of kiosks. It provides information to the customers and helps them.

6. Software:
Software engineers can use multimedia in computer entertainment to design everything from entertainment to digital games; it can be used as a learning process.

7. Medical Services:
Multimedia also use in Hospitals. For surgery methods, Tiny digital cameras are inserted in human body and it displays the inner scene of the body. In this way the medical practitioners were able to see the inner part without examine it.

PSEB 7th Class Computer Guide Introduction to Multimedia Important Questions and Answers

1. Fill in the Blanks

Question 1.
Coral Draw is …………… software.
(a) Text
(b) Word
(c) System
(d) Graphics.
Answer:
(d) Graphics.

Question 2.
Graphics are of …………… type.
(a) Two
(b) Three
(c) Four
(d) Five.
Answer:
(a) Two

Question 3.
The movement of graphics is called …………… .
(a) Motion
(b) Move
(c) Animation
(d) Effect.
Answer:
(c) Animation

Question 4.
…………… video is created in a video camera.
(a) Analog
(b) Digital
(c) Motion
(d) None of these.
Answer:
(a) Analog

Question 5.
…………… devices are used to receive data from a computer.
(a) Input
(b) Storage
(c) Output
(d) All of these.
Answer:
(c) Output

Question 6.
A group of slides is known as a slide …………… .
(a) Group
(b) Deck
(c) Bunch
(d) Presentation.
Answer:
(b) Deck

Question 7.
The process of permanently saving data and instructions is called …………… .
(a) Storage
(b) Video
(c) Table
(d) Document.
Answer:
(a) Storage

Question 8.
Full form of the RTF is …………… .
(a) Read Table Format
(b) Rich Text Format
(c) Read Text Format
(d) Rich Table Format.
Answer:
(b) Rich Text Format

2. True/False

1. The combination of different media is called multimedia.
Answer:
True
2. In multimedia pictures can be animated and voice can be heard by the listeners.
Answer:
True
3. The size of the bitmap image is smaller than the vector image.
Answer:
False
4. Multimedia should be full of text.
Answer:
False

3. Write the Full Forms

Question 1
1. RTF
2. TIFF
3. DIB
4. BMP
5. GIF
6. JPEG
7. PNG
8. WAV
9. MP3
10. AIFF
11. WMA
12. RA
13. AVI
14. MPEG.
Answer:
1. RTF → Rich Text Format
2. TIFF → Tagged Image File Format
3. DIB → Device Independent Bitmap
4. BMP → Bitmap
5. GIF → Graphical Interface Format
6. JPEG → Joint Photographic Expert Group
7. PNG → Portable Network Graphics
8. WAV → Wave form Audio File Format
9. MP3 → MPEG Layer 3 Format
10. AIFF → Audio Interchange File Format
11. WMA → Windows Media Audio
12. RA → Real Audio Format
13. AVI → Audio/Video Interleave
14. MPEG → Moving Picture Expert Group.

4. Short Answer Type Questions

Question 1.
What are Graphics?
Answer:
Graphic is an image or visual presentations of an object, displayed on a computer screen. Examples are photographs, drawing, graphics designs, maps, engineering drawings, or other images. Graphics often combine text and illustration.

Question 2.
What is Multimedia?
Answer:
Multimedia means more than one medium. Multimedia is a collection of many media. It includes a wide variety of media. When a lot of media like pictures, texts, sounds, movies etc. come together it becomes multimedia. Multimedia is being used as a means of entertainment, for education.

Question 3.
Name the different media that make multimedia.
Answer:
The different media that make multimedia are as follow:

• Text: Text is a combination of characters and certain symbols. Text is commonly used to send messages.
• Images: In multimedia we make the concept more effective and presentable with the help of images.
• Animation: Animation is the process of displaying multiple images one after the other.
• Audio: In multimedia audio means recording or playing sound, speeches, music etc..
• Film: It is an essential part of multimedia. Movies impress the audience a lot.

Question 4.
What kind of hardware is required for multimedia?
Answer:
The hardware required for multimedia is as follows:

• Sound Card
• Monitor
• C.D. Rom Drive
• Microphone
• Web or Digital Camera
• Headphones.

5. Long Answer Type Questions

Question 1.
What are the file formats used in multimedia?
Answer:
File Format for Multimedia:
File formats are designed to store specific types of information. Such as JPEG for storing raster data, AI for storing vector data, WAV and MPEG for storing audio data and video data.
Before reading about the file format in multimedia, we need to know how many types of files are in multimedia. Multimedia consists of 3 types of files which are mentioned ahead:

• Uncompressed: These are the files which are not compressed and are capable of storing a large file size.
• Lossless: Files that can be compressed and when they are compressed there is no loss in image quality such as (Vector images) which do not lose quality even when zoomed in and the image will remain clear.
• Lossy: Files that lose their quality when compressed. Such as bitmap Images. The easiest way to find any file type is to look at the file extension. The file extension determines which file it is.

Question 2.
Write the types of multimedia presentations.
Answer:
Types of Multimedia Presentation
There can be many types of multimedia presentations, some of which are as follows:
1. Virtual Presentation:
Where hosts and viewers attend the presentation remotely, are becoming common place. It is a technology that allows us to gather information on any topic and create a virtual presentation using high technology hardware software tools.

2. Slide Presentation:
A slide is a presentation page. A group of slides is known as a slide deck. A slide show is a display of a series of slides or images in an electronic device or on a projection screen. A slide can be a 35 mm slide seen with a slide projector. Presentation slides can be created in many pieces of software such as Microsoft PowerPoint, Apple Keynote, LibreOffice Effects, Preeze.

3. Web Presentations:
When we add audio, video, animation etc. to web pages instead of static photos and text, web Pages turn into web presentations.

Question 3.
What are the audio file formats in multimedia?
Answer:
Audio File Format:
Audio file format is the file format used to store digital audio data on a computer system. Below are some audio file formats :
1. MP3:
The full form of MP3 is MPEG audio Layer-3. It is a standard technology and format that reduces the size of the file by one-tenth of the actual size and does not allow any loss in sound quality. The extension of these files is MP3.

2. WAV:
The most popular audio file format in Windows for storing compressed sound files. In order to the reduced the size of the files, these files can be converted to MP3 file format. The extension of these files is .WAV.

3. WMA (Window Media Audio):
These file formats are used to encode digital audio files similar to MP3. It can compress files at a higher rate than MP3. WMA files can be compressed to any size to match many different connection speeds or bandwidths. Their file extension is .wma.

4. AAC (Advanced Audio Coding):
The default audio format of Apple iTune. They work very well on Apple computing but do not work on web browsers. Their file extension is .aac.

5. Real Audio:
This format has been developed by Real Media to allow steaming of audio with low bandwidth. Its file extensions are ,rm, .ram.

Question 4.
What are the video file formats in multimedia?
Ans:
Video File Format:
Video files are a collection of images, audio and other data. The following are many different formats for encoding and saving video data.
1. AVI (Audio Video Interleave):
One of the oldest video formats developed by Microsoft. Due to its simple architecture, these files are able to run on different systems such as Windows, Macintosh, Linux. The file extension of these files is .avi.

2. MPEG (Moving Pictures Expert Group):
The first popular video format on the web is MPEG, These are compressed video files that can store both audio and video files. The file extension of these files is .mpeg.

3. MP4:
MP4 is one of the earliest digital video file formats introduced in 2001. Most digital platforms and devices support MP4. An MP4 format can store audio files, video files, still images and text. In addition, MP4 delivers high quality video with relatively small files. The file extension of these files is .mp4.

Question 5.
What are Image file formats in multimedia?
Answer:
Image File Format:
There are many different image formats and image file extensions that can be used to create and save images to a computer. The most common image formats are listed below :
1. TIFF:
Stands for Tagged Image File Format. TIFF file format is widely used bit mapped file format. TIFF files originally use lossless compression. Today TIFF files also use lossy compression according to the requirement. It allowing for very high-quality images but also larger file sizes.TIFF can store many different types of image such as 1 bit image, gray scale image, 8 bit color image, 24 bit RGB image etc. It is supported by many image editing applications, software used by scanners and photo retouching programs. The file extension of these files is .tiff.

2. BMP:
The bitmap file format (BMP) is a very basic format supported by most Windows applications. BMP files are uncompressed. It allowing for very high-quality images but also larger file sizes. Therefore, these are not suitable for the internet. BMP can store many different type of image: 1 bit image, grayscale image, 8 bit color image, 24 bit RGB image etc. The file extension of these files is .bmp.

3. GIF (Graphics Interchange Formats):
The GIF format is one of the most popular on the Internet due to its compact size. They are widely used for web graphics, as they are limited to 256 colors and can be animated. The file extension of these files is .gif.

4. JPEG (Joint Photographic Experts Groups):
Jpeg is a “loosy” format meaning it compresses the image to make it a smaller file. Compression of the image causes loss of image quality but this loss is usually not noticeable. JPEG files are very common on the Internet and JPEG is a popular format for digital cameras. The file extension of these files is -jpeg.

5. PNG (Portable Network Graphics):
PNG files are a lossless image format designed to actually improve and convert GIF format. Unlike the 256 colors supported by GIF, PNG files can handle up to 16 million colors. The file extension of these files is .png.

6. RAW:
Raw images are images that are not processed by a camera or scanner. Most digital SLR cameras can shoot in RAW format. The file extension of these files is .raw.

Punjab State Board PSEB 7th Class Computer Science Book Solutions Chapter 5 Microsoft Word (Part-III) Textbook Exercise Questions and Answers.

PSEB Solutions for Class 7 Computer Science Chapter 5 Microsoft Word (Part-III)

Computer Guide for Class 7 PSEB Microsoft Word (Part-III) Textbook Questions and Answers

1. Fill in the Blanks

Question 1.
After selecting the picture tab appears.
(a) Format
(b) Page Layout
(c) insert
(d) View.
Answer:
(a) Format

Question 2.
For text wrapping, we can use option.
(a) Square
(b) Tight
(c) Behind Text
(d) All of these.
Answer:
(d) All of these.

Question 3.
To remove any unwanted parts of picture, option s used.
(a) Crop
(b) Rotate
(c) Group
(d) Compress.
Answer:
(a) Crop

Question 4.
Which of the following option is not available in the Adjust group of Format tab?
(a) Corrections
(6) Artistic Effects
(c) Remove Background
(d) Picture Styles.
Answer:
(d) Picture Styles.

Question 5.
We can find the number of words in the bar at the bottom of the window.
(a) Task Bar
(b) Status Bar
(c) Title Bar
(d) Scroll Bar.
Answer:
(b) Status Bar

2. Very Short Answer Type Questions

Question 1.
Which option splits the text into two or more Columns?
Answer:
The Columns option from the Page Setup group in the format tab divides the text into two or more sections.

Question 2.
Which page orientation sets the page in horizontal direction?
Answer:
Landscape Orientation.

Question 3.
Which option is used to group two or more images together so that they can be treated as a single object?
Answer:
Two or more images can be grouped together as one object using the Group command from the Arrange group in the Layout tab.

Question 4.
Which option can be used to change the colors of the picture in MS Word?
Answer:
From the Picture Format tab, the color of the picture can be changed with the Color option from the Adjust group.

Question 5.
Which option is used to count words in MS Word?
Answer:
Words can be counted using the Word Count option from the Proofing group in the Review tab or the Word Count Dialog box from the Status bar.

3. Short Answer Type Questions

Question 1.
What are Margins?
Answer:
A margin is the space between the text and the edge of the page. By default, a new document’s margins are set to Normal, which means it has a one-inch space between the text and each edge. Depending on your needs, Word allows you to change your document’s margin size.

Question 2.
What do you mean by Compress Picture?
Answer:
With this button the image can be compressed. To reduce the size of documents, pictures can be reduced in storage size. You can change the resolution of an image or delete a cropped part of an image.

Question 3.
Write about Reset Picture.
Answer:
If you want to remove all formatting changes to a picture in the document, “Reset Picture’ command will be used. This button is used to undo all formatting changes made to the picture and restore it to its original format.

• Select the picture.
• in the Format tab, click on the Reset picture option from the Adjust group.

Question 4.
What is Crop option?
Answer:
Crop button is used to delete the unwanted part of an image. When you crop an image, an unselected part of the picture is removed. Steps to crop the image are as follows:

• Select the image you want to crop. The Format tab appears.
• On the Format tab, click the Crop command.
• Black handles will appear around the image. Click, hold and drag a handle to crop the image.
• Click the Crop command again. The image will be cropped.

Question 5.
Give the name of two page orientation in MS Word.
Answer:
To change the position of a document from a portrait to a landscape, click this button. To change the position of the page, steps are as follows:

• Select the Page Layout tab.
• in the Page Setup group, click on the “Orientation” command.
• Click “Portrait” or “Landscape” to change the position of the page. Landscape format means the page is horizontal, while portrait format means it is vertical.

Question 6.
Write the name of various options available in the adjust group of Picture Tools Format tab.
Answer:
Correction, Picture Color, Artistic Effect, Compress Picture, Change Picture, Reset Picture, Remove Background.

4. Long Answer Type Questions

Question 1.
What is Watermark? Write steps to add watermark in a word document.
Answer:
Watermark: it is just like a stamp. it is used for confidential documents. A watermark is an image that appears blurred behind the text on a page. The steps to add a watermark to the document are given ahead:

• Open the document to which you want to include the water-mark.
• Click the Page Layout tab and then click the “Watermark” button to display a list of standard watermark options.
• You can select any available standard watermark by clicking on it. This will apply to all pages of the document.

Question 2.
Write the steps to run a Spelling and Grammar Check.
Answer:
To do Spelling and Grammar check, steps are as follows:

• From the Review tab, click the Spelling & Grammar command.
• The Spelling and Grammar dialog box will appear.
• This dialog box offer one or more suggestions for spellings and grammatical errors.
• You can select a suggestion and click “Change” to correct the error.

Question 3.
Explain the steps to Print a Document.
Answer:
Once you’ve created your document, you may want to print it to view and share your work offline. it’s easy to preview and print a document in Word using the Print option.

• On the File tab or Office button, click Print command.
• A print dialog box will appear.
• In the “Name” drop-down list select the name of you printer.
• In the “Copies” box, enter the number of copies you want.
• In “Page Range” option select “All” option if you want to print all pages of your document.
• If you want particular page to print then click “Pages” radio button and type page number in the box.
• Now click “Print” option. Your document will be print.

PSEB 7th Class Computer Guide Microsoft Word (Part-III) Important Questions and Answers

1. Fill in the Blanks

Question 1.
The text of the paragraph is selected by pressing the arrow keys and the ………….. key together.
(a) Special
(b) Shift
(c) Number
(d) Function.
Answer:
(b) Shift

Question 2.
The default line spacing is …………… point.
(a) Single
(b) Double
(c) Triple
(d) Four.
Answer:
(a) Single

Question 3.
The fill color option is used to color in ………………… .
(a) Text
(b) Line
(c) Shape
(d) Word.
Answer:
(c) Shape

Question 4.
For border and shading …………… menu is used.
(a) File
(b) Edit
(c) Format
(d) Home.
Answer:
(c) Format

Question 5.
Auto Shapes are submitted from the …………….. tool bar.
(a) Shapes
(b) Home
(c) Word
(d) Drawing.
Answer:
(d) Drawing.

2. True/False

1. The left mouse button is clicked three times to select the entire paragraph.
Answer:
True.

2. By default paragraph text is right aligned.
Answer:
False

3. indentation command is used for shading.
Answer:
False

4. To fill ClipArt, Click insert Picture then click ClipArt command.
Answer:
True.

5. Arial and Times New Roman are the names of the fonts.
Answer:
True.

3. Match the Columns

Answer:

4. Short Answer Type Questions

Question 1.
What is Picture Border?
Answer:
Picture border means the line around a picture.

Question 2.
What is picture position?
Answer:
Picture position means where the picture is located into the document.

Question 3.
What are the various options available in page layout tab?
Answer:
The Page Layout tab has more than one Page layout and Formatting options. This affects the look of a page’s content. Depending on how we want to present our document, we can choose Page Orientation, Paper Segment and Page Margin commands.

Question 4.
Write steps for formatting page margins.
Answer:

• Click on the Page layout tab.
• Click on the Margins command from page setup group. A drop-down menu will appear. By default “Normal” margin will be selected.
• Click on the Predefined margin as you want.

Question 5.
Describe the steps for using custom margin.
Answer:

• Click on Margin command from the Page Layout tab.
• A drop-down menu will appear. From this menu click “custom margin” option.
• A Page Setup dialog box will appear.
• Adjust the margin size for each side of the page, and click Ok.

Question 6.
What is Orientation?
Answer:
To change the position of a document from a portrait to a landscape, click this button. To change the position of the page, steps are as follows:

• Select the Page Layout tab.
• in the Page Setup group, click on the “Orientation” command.
• Click “Portrait” or “Landscape” to change the position of the page. Landscape format means the page is horizontal, while portrait format means it is vertical.

Question 7.
What are the steps to change the paper size?
Answer:

• Select Page Layout.
• Click on the Page-Size command and a drop-down menu will appear. The current page size will be highlighted.
• Click on the Size option as per your requirement. The page size of the document will change.

Question 8.
What does the column option do?
Answer:
This option splits the written text into two or more columns.

5. Long Answer Type Questions

Question 1.
What are corrections? How are they used?
Answer:
Adjust Group:
You do not need to use additional picture editing software to create high quality images for your document. Instead, you can use Adjust tools to correct and improve your photos.
1. Select photo.
2. In the Format tab, click on the Correction option from the Adjust group. A drop-down menu will now open. From this menu, select 3. Sharpen/Soften and Brightness/ Contrast settings according to your needs.

To make these settings more detailed, go to Picture Format>> Corrections>> “Picture Corrections Options” option. The Format Picture sidebar appears. This allows you to provide special settings for Sharpness, Brightness and Contrast.

Question 2.
Write the steps for using the color option.
Answer:
Picture Color:
Microsoft Word allows you to control the color and tone of your picture and you can repaint the whole picture for special effects.
Steps to change the picture color are as follows:
(a) Select picture.

(b) In the Format tab, click on the Color option from the Adjust group. A drop-down menu will open.

(c) In this menu there are 3 options:

• Color Saturation: This controls how bright the colors are in the image.
• Color Tone: This controls the temperature of the color, from cool to warm.
• Recolor ; This controls the overall color of the image. Use this option to make the image black and white or gray scale, or to colorize it with a different color.

(d) Choose any of the options as per your need.

Question 3.
Write the steps for compressing a picture.
Answer:
Compress Picture: With this button the image can be compressed. To reduce the size of documents, pictures can be reduced in storage size. You can change the resolution of an image or delete a cropped part of an image. The steps to compress a picture are given below:

• Select the picture.
• In the Format tab, click on the Compress picture option from the Adjust group.
• Now a Compression Settings dialog box will open.
  
• If you want to print the picture, click on the Print (220 ppi) option.
• If you want to reduce the size of the file to e-mail, click on the E-mail (96 ppi) option.
• If you want to upload the file to a web page or projector, click on Project Options.

Question 4.
Write the steps to remove the background of the picture.
Answer:
Remove Background:
This option is used to automatically remove unwanted parts of an image. Areas to remove or keep can be marked in the picture. Following are the steps to remove the background of a photo:

(a) Select the image from which you want to remove the background.

(b) Click the “Remove Background” option from the Adjust group in the Format tab.

(c)Now the default background area will be marked with magenta color, while the foreground will remain its natural color.
(d)If the default area isn’t correct, go to Background Removal > Picture Tools and do one or both of the following:

• If parts of the picture that you want to keep are magenta, select
• “Mark Areas to Keep” option and use the drawing pencil to mark the areas on the picture that you want to keep.
• To remove more parts of the picture, select Mark Areas to
• Remove option and use the drawing pencil to mark those areas

When you’re done, select “Keep Changes” or “Discard All Changes”.

Question 5.
Write down the steps to apply a picture style.
Answer:
Picture Style Group:
Picture Styles Gallery offers many preset styles that make it easy for you to add borders and special effects with one click.
1. Picture Style Gallery:
This field provides a list of different formats that can be applied to an image. To see what each style will do, just move the mouse pointer over each style. To apply the style on a picture steps are as follows:
(a) Select the photo whose style you want to change.
(b) On the Format tab, in the Picture Styles group, click any style you like.

2. Picture Border:
Use this command to change the color, width, or line style of the border of the image. Steps to add border as follows:

• Select the image to which you want to add a border.
• On the Picture Format tab, in the Picture Styles gallery, select Picture Border command. A drop-down menu will appear.
• From this menu select color for border line.
• Select weight (thickness) of boarder line.
• Select whether the line of the border is dashed.

3. Picture Effects:
Click this button to add visual effects to the picture such as shadows, 3-D effects, and glows. Steps to add an effect to a picture are as follows:

• Select the picture for which you want to add or change an effect.
• Under the Format tab, in the Picture Styles group, click Picture Effects command.
• A drop-down list will appear. From this menu select appropriate effect for image.

Question 6.
Write the steps of wrapping text.
Answer:
Text Wrapping:
This feature is used to apply wrapping to an image. When wrapping is applied, text can be typed around the image. Make it easy to move images from one place to another in a document. To apply the text wrapping on the image follow these steps:
(a) Select the image which you want to apply wrapping.
(b) From the Picture Tools tab, in the Arrange group, click on the “Text Wrapping” option.
Do one of the following:

• Click “Square” command to type the text around the border of your picture.
• Click ‘Tight” command to type text around a clip art image or an irregularly shaped image.
• Click “Behind Text” command to display the text on the image.
• Click “In Front of Text” command to display the image on the text.
• Click “Top and Bottom” command to place the image on your line.
• Click “More Layout Options” command for more layout Options.

From this dialog box, specify the distance between the text and the image.

Question 7.
Write the steps for adding background color or texture.
Answer:
Page Color:
With the help of this option we can apply different colors, textures and pictures to the background of the page in our document. Steps to add background color or texture are as follows:

• Click on “Page color” command in the Page Background group from the Page Layout tab.
• A drop-down menu will appear.
• Choose one of the following options from this drop-down menu:
• To apply the background color click any color from “Theme Colors or Standard Colors”.
• To apply the texture, Gradient, pattern and pictures into the background, click “Fill Effects” option.
• A Fill Effect dialog Box will appear. Select appropriate design for you background.

Punjab State Board PSEB 7th Class Computer Science Book Solutions Chapter 2 Windows Explorer Textbook Exercise Questions and Answers.

PSEB Solutions for Class 7 Computer Science Chapter 2 Windows Explorer

Computer Guide for Class 7 PSEB Windows Explorer Textbook Questions and Answers

Choose the Suitable Option and fill in the Blanks:

Question 1.
Windows Explorer has two panes. These are …………… and …………….
(a) First, Second
(b) Left, Right
(c) Top, Bottom
(d) File, Folder.
Answer:
(b) Left, Right

Question 2.
……………. type and date of modified of a file.
(a) Details
(b) Tiles
(c) List
(d) Content.
Answer:
(a) Details

Question 3.
………………… command is used to move an item from its place.
(a) Copy
(b) Paste
(c) Cut
(d) Delete.
Answer:
(c) Cut

Question 4.
A …………. combination of pictures, colors and sounds on our computer.
(a) Background
(b) Desktop
(c) Screen Saver
(d) Theme.
Answer:
(d) Theme.

Question 5.
A …………. software program that becomes activated after the computer is not in use for a specified duration of time.
(a) Background
(b) Desktop
(c) Screen Saver
(d) Theme.
Answer:
(c) Screen Saver.

2. Very Short Answer Type Questions

Question 1.
Which Window application is used for management of flies?
Answer:
Windows Explorer is used to manage files properly.

Question 2.
What do we call a folder inside another folder?
Answer:
Sub-folder.

Question 3.
What is the method of opening Windows Explorer?
Answer:
There are ways to open Windows Explorer.

• Press Windows key + E.
• Type Explorer in the Run box.

Question 4.
Write the name of any default library of Window.
Answer:
By default Windows has four libraries-Documents, Music, Pictures, and Videos.

Question 5.
Which option is used to make a duplicate of an item?
Answer:
The copy/paste option is used to make a duplicate of an item.

3. Short Answer Type Questions

Question 1.
How many panes are available in Window Explorer? Write their names.
Answer:
Windows Explorer has two panes.

• Left pane
• Right pane.

Question 2.
Write the name of different parts of Window Explorer.
Answer:
Windows Explorer has the following components:

1. Title bar
2. Back and forward buttons
3. Address bar
4. Search box
5. Menu bar
6. Tool bar
7. Status bar.

Question 3.
Define File and Folder.
Answer:
A file is a common storage unit in a computer in which data, programs, software, etc. are stored. Computers have different files that have different functions. The data stored in the file can be “updated, deleted, edited” at any time.
The folder is where the files are stored. We can save more than one file and folder in one folder. For example I have a box containing 10 apples. In this example the box is a folder and the apples are the files saved in it. Another folder inside any folder is called a sub-folder.

Long Answer Type Questions

Question 1.
What is Windows Explorer? Give different ways to open Windows Explorer.
Answer:
Windows Explorer is also called File Explorer. It is used to view files and folders on our computer. We can open the data, folder and library of the disk in the computer and also search for an item. We can use it to open, delete, rename, copy, move and create new folders.
We can open window explorer in many ways. Some of these are as follow:

• Just press Win key +E and File Explorer starts immediately.
  Or
• Click Windows-Keys > All Programs > Accessories > Windows Explorer.
  Or
• Press Windows key – the search box will open. Now type file explorer in it.
  Or
• Press Windows key +R key together. The Run box will open. Now type explorer in it.
  Or
• By default, Windows 10 includes a File Explorer shortcut on the taskbar. Its icon looks like a folder. Click or tap on it and File Explorer is opened.

Question 2.
Explain different views of Windows Explorer.
Answer:
View means how files and folders appear in a computer system. Explorer has five types of views. These are:
1. Small, Medium, Large and Extra Large Icons View:
Items in this view are in more than one row and each item appears in the shape of an icon. Each item has a name.

2. Tiles Icon View:
Items in this view are in more than one row and each item appears in the shape of an icon. Each item has a name. It contains other information, such as the type of file and its size.

3. List Icon View:
Items in this view are in more than one column. Each item has a name and the icon, is to the left of the name.

4. Content Icon View:
Items in this view appear in the column. Each item is in the shape of an icon. It has a name and type of the file is written below it. Some other properties such as modification date and size below it are also visible. By default this view is used for search.

5. Detail Icon View:
Each item appears as a table row. The first column contains the name of the item in the form of a small icon and the rest of the column lists its properties such as its size and the date and type of modification.

Question 3.
What are the options to customize the Desktop in Windows Environment?
Answer:
Customizing is the process of changing the settings of a desktop.
1. Themes:
Themes are a combination of pictures, colors, and sounds. It has background, screen saver, border color and sound scheme.
Windows has the following themes:

• My Themes
• Arrow Themes
• Basic and High Contrast The-mes Following are the steps to apply the theme:

Open Settings.

• Click on Personalization.
• Click on Themes.
• Click the Get more themes in the Microsoft Store option.
• Select the theme you want.
• Click the Get button.
• Click the Apply button.
• Click the newly added theme to apply it from the “Themes” page.

2. Desktop Background:
It is a wallpaper image that appears behind the icons on your computer’s desktop. It can be in JPEG or Gif format. The following are steps to change the desktop background:

• Right-click the desktop and choose Personalize from the shortcut menu. The Personalization window appears.
• Click the Desktop Background link. The Desktop Background dialog box appears.
• Select a category of desktop background options from the Picture Location list box and then click the image from the background preview list that you want to use.
• The background is previewed on your desktop. Click Save Changes.

3. Screen Saver:
Screen saver is the graphics that appear on the screen after not working on the computer for some time. It is used for security and protection of the screen. We can set our own screen saver.
Steps to set the screen saver: Here are the steps to set up a screen saver:

• Right-click the desktop and choose Personalize from the shortcut menu. The Personalization window appears.
• Click the Lock Screen option. The lock screen dialog box appears.
• In the Screen Saver Settings window, choose a screen saver from the drop-down list.
• Click on the Preview button to preview the screen saver.
• The screensaver has to be set to run automatically from the desktop. So type the time setting in the Wait option that appears in the picture.
• Click on Apply button and press Ok button.

Question 4.
How can we Copy items using the ‘send to’ option?
Answer:
The Send to Option is an easy way to copy one or more items or programs to a new location. Following are the steps to use Send to option:

• Select the item to be copied.
• Press the right mouse button; select the option “Send To” from the menu.
• Now select the specified location. By default, the Send To sub menu contains the following locations:
  • Compressed (zipped) folder
  • Desktop (Create Short-cut)
  • Documents Library
  • Fax and mail recipients
  • Removable devices, such as: USB. Memory Sticks
• Select the option as needed.

Question 5.
Write about Screen Saver.
Answer:
Screen saver is the graphics that appear on the screen after not working on the computer for some time. It is used for security and protection of the screen. We can set our own screen saver.
Steps to set the Screen Saver:
Here are the steps to set up a screen saver:

• Right-click the desktop and choose Personalize from the shortcut menu; The Personalization window appears.
• Click the Lock Screen option. The lock screen dialog box appears.
• In the Screen Saver Settings window, choose a screen saver from the drop-down list.
• Click on the Preview button to-preview the screen saver.
• The screensaver has to be set to run automatically from the desktop. So type the time setting in the Wait option that appears in the picture.
• Click on Apply button and press Ok button

PSEB 7th Class Computer Guide Windows Explorer Important Questions and Answers

1. Fill in the Blanks

Question 1.
Windows Explorer has ………. views.
(a) Two
(b) Three
(c) Four
(d) Five.
Answer:
(d) Five.

Question 2.
The ………………. command is used to run the program.
(a) Calculator
(b) Window
(c) View
(d) Bun.
Answer:
(d) Bun.

Question 3.
The …………. view displays the files as a list.
(a) Tile
(b) Content
(c) Large
(d) I&t.
Answer:
(d) I&t.

Question 4.
The ………… option is used to copy files and folders.
(a) Cut
(b) Copy
(c) Paste
(d) Run.
Answer:
(b) Copy

Question 5.
Explorer can be run by typing …………….. in the run box.
(a) Exp
(b) Explorer
(c) Command
(d) GMD.
Answer:
(b) Explorer

Question 6.
The …………… option is used to find files and folders.
(a) Select
(b) File
(c) Search
(d) Delete.
Answer:
(c) Search

Question 7.
The calculator is opened by typing …………….. in the run box.
(a) Calculator
(b) Cal
(c) Calc
(d) None of these.
Answer:
(c) Calc

Question 8.
The ………… command is used to remove an item from its place.
(a) Copy
(b) Paste
(c) Cut
(d) Delete.
Answer:
(c) Cut

2. True/False

Question 1.
Explorer is used to manage folders.
Answer:
True

Question 2.
A folder can contain many files and folders.
Answer:
True

Question 3.
How to open Explorer
Start> All Programs> Accessories> Windows Explorer
Answer:
True

Question 4.
Explorer is a system software.
Answer:
False

Question 5.
“Invert Selection” option is used to reverse the selection.
Answer:
True

Question 6.
To select all files in a folder press Ctrl+A keys.
Answer:
True

Question 7.
A single file can contain many files and folders.
Answer:
False

Question 8.
Windows Explorer is an operating system.
Answer:
False

Question 9.
The Copy option is used to duplicate an item.
Answer:
True

3. Match the Columns

Answer:

4. Short Answer Type Questions

Question 1.
What is Windows Explorer?
Answer:
Windows Explorer is a very important application of operating system. This manages files and folders. It helps to keep files and folders in the correct order i.e cut, copy, paste and delete them.

Question 2.
How to delete files and folders?
Answer:
Delete command is used to delete a file or folder. Following are the steps to delete file/folder:

• Select the file or folder you want to delete.
• Press the Delete key from the keyboard. A message will appear asking for deletion.
• Click on “Yes”. Item will be deleted.

If you want to delete file permanently then you will need to empty the Recycle Bin.

Question 3.
Write down steps to create a new folder.
Answer:
Here are some ways to Create a File in Explorer:

• Select the drive or folder in the left pane where you want to create the place of the cursor where you want to add your folder.
• In File Explorer, click on the Home menu item.
• From the Home ribbon, click on the New folder button.
• Enter the name of your new folder and press enter key.

Question 4.
How is a file or folder restored?
Answer:
Sometimes when we delete a file or folder we feel the need for it later. The Recycle Bin feature can be used to store files and folders again. The steps to restore a file or folder are as follows:

• Double click on the Recycle Bin. (The Recycle Bin window will open.)
• Click on the file or folder to be restored.
• Click on File. Restore menu.

Question 5.
What do you know about calculators?
Answer:
Calculator:
Calculator is like a program with the help of which calculations are done. With its help +, c, z etc. calculations are done. For example, to multiply 2 by 5, first click on 2. Then click on the multiplication sign. Then click on 5. Then click the = sign. 10 will appear as a result.

5. Long Answer Type Questions

Question 1.
What is a series of locations? Explain in detail.
Answer:
Series of Locations:
The folders and drives in the computer, the computer connected to the network and its shared folders, drives and printers are arranged in a tree shape. This sequence is called a series of locations. It contains the following items:

1. Favorites:
The top most folder in this series is the Desktop folder. It contains desktop, downloads and recent place items.

2. Library Folder:
By default this folder contains four libraries, such as; Documents, music, photos and videos. These folders contain related items; Such as pictures in pictures folder, related videos in video folder, etc.

3. Personal Folder:
Your personal folder is named after the user name to which you have logged in to the computer and by default it contains the following folders; such as Contacts, Downloads, Favorites, Links, My Documents, My Music, My Pictures, My Videos, Saved Games and Search.

4. MY Computer:
Disks in a computer; such as C: drive, D: Drive, E: Drive etc. and other connected devices such as Printer, USB, memory- stick and camera are attached to the computer, they are visible here.

5. Network: If you are connected to a local network, you see other computers and devices in it.

6. Control Panel:
Control Panel is used to configure hardware and software of computer system and to change settings of computer system.

7. Recycle Bin: It contains deleted files/folders or programs.

Question 2.
How are items selected? Write different ways to do this.
Answer:
Selecting the Items:
Usually before doing any work on a file or folder such as opening a file, closing a file, deleting file, copy a file etc. we have to select it. There are different ways to select a single file/folder or multiple files/folders.

1. Selecting a Single Item:
If more than one item is available and you want to select one of the items in it, it can be selected by clicking with the mouse on that file.

2. Selecting More Than One File:
There are a few ways to select more than one file at a time:

(a) If your viewing your files as icons, you can click and drag the mouse to draw a box around the files you want to select. When you’re done, release the mouse; the files will be selected. You can now move, copy, or delete all of these files at the same time.

(b) Selecting All Items:
If you want to select all files in a folder at the same time, open the folder in File Explorer and press Ctrl+A or click “Select all” option from the “Select” group on the Home tab. All of the files in the folder will be selected.

(c) Select items using the Shift key:
To select a group of files from a folder, click the first file, press and hold the Shift key on your keyboard, then click the last file. All of the files between the first and last ones will be selected.

(d) Selecting an item using (Ctrl key):
To select specific files from a folder, press and hold the Control key on your keyboard, then click the files you want to select.

3. Reverse selection: To reverse the selection, select the “Invert Selection” option in the Edit menu.

Question 3.
Write different ways to create a folder.
Answer:
Creating a Folder
If you want to create a new folder, it is created in the current location. Here are some ways to create a folder:
1. Open the File explorer, click on the “New Folder” button option.
2. The new folder will appear.
Type the desired name for the folder and press Enter.
Or
Press the Ctrl + Shift + N keys together from the keyboard. The new folder will appear. Type the name of the folder and press Enter key.
Or
Right-click on a blank space, click “New” => “Folder” in the context menu. The new folder will appear. Type the name of the folder and press Enter key.
Or

• Place the cursor where you want to add your folder.
• In File Explorer, click on the Home menu item.
• From the Home button, click on the New folder button.
• Enter the name of your new folder and press

Question 4.
Write the steps to rename the item.
Answer:
Re-naming the Item:
You can change the name of any file or folder. Here are the steps to rename an item:
1. Click the file or folder, wait about one second, and click again. An editable text field will Explore appear. open
2. Type the desired name on your keyboard and press Enter. The name will be changed.

Or
1. You can also right-click the Cut folder and select “Rename” copy option from the menu that create shortcut appears. An editable text field will appear.
2. Type the desired name from Properties keyboard and press Enter. The name will be changed.

Question 5.
Write the steps to delete an item.
Answer:
Delete a File or Folder:
If you no longer need to use a file, you can delete it. When you delete a file, it is moved to the Recycle Bin, If you change your mind, you can move the file from the Recycle Bin back to its original location. If you’re sure you want to permanently delete the file, you will need to empty the Recycle Bin. Following are the steps to delete file/folder:

• Select the file or folder you want to delete.
• Press the Delete key from the keyboard. A message will appear asking for deletion.
  
• Click on “Yes”. Item will be deleted.

Question 6.
Write the steps for copying or pasting items.
Answer:
Copying or Pasting Items:
To copy a file/folder the steps are as follow:
1. Select the item to be copied.

2. Select the “Copy” option from the “Clipboard” group on the “Home” tab.
Or
Press Ctrl + c keys from the keyboard.
Right-click on the file/folder you want to copy. A menu will open. From this menu select the “copy” option. Now your file/folder will be copied. Steps to paste the file/Folder are as follow:
1. Place the cursor where you want to paste the file/folder.
2. Select the “Paste” option from the “Clipboard” group on the “Home” tab.
3. Your copied item will now be pasted.
Or
Press the Ctrl + V key from the keyboard.
Or
Locate and right-click the desired location, then select “Paste” option from the menu appeared.