# PSEB 6th Class Computer Solutions Chapter 1 Introduction To Computer

Punjab State Board PSEB 6th Class Computer Book Solutions Chapter 1 Introduction To Computer Textbook Exercise Questions and Answers.

## PSEB Solutions for Class 6 Computer Science Chapter 1 Introduction To Computer

Computer Guide for Class 6 PSEB Introduction To Computer Textbook Questions and Answers

1. Fill in the Blanks

Question 1.
Computer is a/an ……………
(a) Electronic Machine
(b) Mechanical Machine
(c) Magnetic Machine
(d) All of above.
(a) Electronic Machine

Question 2.
Computers can do ……………
(a) Calculations
(b) Accept data and instructions
(c) Storage
(d) All of above
(d) All of above

Question 3.
Computer performs its operations with high ……………
(a) Speed
(b) Accuracy
(c) Efficiency
(d) All of above.
(d) All of above

Question 4.
In banks, computer is used for ……………
(a) Keeping the bank safe
(b) Keeping Account records.
(c) Keeping bank clean
(d) None of these.
(b) Keeping Account records

Question 5.
Time taken by computer to do a work can be measured in ……………
(a) Minutes
(b) Hours
(c) Milliseconds
(d) Days.
(c) Milliseconds

Question 6.
In Education, a computer is used for ……………
(a) Preparing Notes
(b) Preparing results
(c) Preparing Reports
(d) All of these.
(d) All of these

Question 7.
Which one of these is a limitation of Computer
(a) Speed
(b) Accuracy
(c) No IQ
(d) Diligence.
(c) No IQ.

Question 1.
Define Computer.
Computer is an electronic device which gets the data and instructions from the user. It processes the data as per given instructions and gives the result in the desired form. Computer can be defined as :
A computer is an electronic machine that accepts data as input from the user and processes the data under the control of a set of instructions and gives the result as an output.

Question 2.
Explain the uses of computer in Education Field.
Students and teachers are using computers in their education. Teachers use computers to teach the students and students use computers to prepare their notes, making drawing and making projects etc. The internet is used to search study material. Results, time-table and various reports are prepared using the computer. Computers are also used for record keeping online data processing etc.

Question 3.
Write the name of any three Portable Computing Devices.
The name of three portable computing devices are:

• Mobile phone
• Palmtop computer
• Tablets

Question 1.
What are the characteristics of computer ?
The main characteristics of computers are as given below :
1. Speed : Computer is a very fast machine. It can do calculation in milliseconds. It can complete days work in seconds. That is why it has reduced human effort.

2. Accuracy : Computer is an accurate machine. It never makes any mistakes. If a mistake is performed in any calculation that is
always due to human error. A computer can do any task repeatedly for thousands of times without any error.

3. Reliability : Reliability means the ability of being trusted. A computer is a reliable machine. We cannot doubt the results given by computers because they are always correct. There is no need of rechecking the results. It gives the same result every time.

4. Diligence : Computer never gets tired. It can do work for many days or even for years. During this time its efficiency does not decrease and neither it commits errors after long working. In fact, a computer is a hardworking machine.

5. Automation : Automation means to do the work automatically. Computers can be instructed to do the work without any interaction. He can be given the instructions and the computer can do work without asking anything. We just need to start the computer and ask him to do the particular work. After that it will do the whole work without asking anything.

6. Storage : The storage capacity of computers is very large. It can attach many storage devices such as hard disk, pen drive at 17 to it. it can store any type of data such as text, audio, video animation in it. We can also store the storage capacity of computers. Computers store data for a very long time.

Question 2.
Define any five applications of Computer.
Computers are used in many areas. Some of the application areas of Computer are given below :
1. Education: Students and teachers are using computers in their education. Teachers use computers to teach the students and students use computers to prepare their notes-making, drawing and making projects etc. The internet is used to search study material, results time-table and various reports are prepared using the computer. Computers are also used for record keeping, online data processing etc. Punjab Education Department is using computer on their web portal like www.epunjabschool.gov.in, www.pseb.ac.in

2. Entertainment: Computers are a good source of entertainment also. The user can watch movies, listen song and camp. Beautiful presentations can be made on the computer. All the films made these days use computers for their special effects.

3. Sports : Computers are also used in the sports field. They are used to improve the performance of players to keep data and to evaluate the performance and to display information about various tournaments which will happen in future. Digital scoreboards are also a part of games today. The players can improve their games by analysing their record.

4. Communication : Computers have given new ways of communication. The user can make video calls, audio calls, chat using computer data and send email to their friends and relatives. Any type of data can be shared using smartphone, tablet, laptop and computers.

5. Shops : Shopkeepers are also using computers for their various works. They are using computers to manage their stock to generate purchase orders to generate bills to advertise their shop. The use of computers in shops saves a lot of time for the shopkeeper and the customer.

Question 3.
What are the limitations of Computer ?
The main limitations of computer are as under:

• A computer cannot take decisions by itself.
• A computer cannot correct wrong instructions.
• Computer cannot do any work without instruction from the user.
• It does not have feelings or IQ (Intelligence Quotient).
• It does not have knowledge and experience like a human being.
• Computer can not start work until asked.

Question 4.
What do you mean by Portable Computing Devices ? Explain any three of them.
Portable devices are those devices which can be easily carried from one place to another. Technology has given us many portable devices. Some of them are explained below :
1. Mobile Phone or Smart Phone :
It is the most common portable computing device used in these days. Each one is using their mobile phones these days. Smart phones can do a lot of calculation work and processing. Their speed is also very fast. Modern mobile phones are equipped with camera, large storage capacity and high processing speed. They can be used in education, business trading, entertainment, gaming etc. Mobile phones are very small devices. It can be carried in our pockets. There are a lot of mobile phones available in the market with different features.

2. Tablet Computer :
It is a small computer. It is mainly known as a tablet. If the battery is used in this tablet. It has a touch screen which is used to give input and get the output. Tablets can be used for many purposes. Most of the students are using tablets in their education at home as well as at their schools.

3. Palmtop Computer :
Palmtop computer is a small size computer which can be placed on our palm. This computer has a small screen and small keyboard. It is just like a mobile phone having a keyboard. These computers are not very popular these days. These computers were used for limited purposes only.

Question 5.
Explain the uses of Computer.
The applications of Computer are :

1. We can do mathematical calculations on the computer.
2. We can play games on the computer.
3. We can draw pictures on the computer.
4. We can listen to songs and watch films on the computer.
5. We can use computers to print books and newspapers.
6. We can use computers to book our tickets to travel in trains, buses and airplanes.
7. We can check the arrival and departure time of trains, buses and airplanes with the help of a computer.
8. We can check the weather conditions of any place before travelling.
9. We can print reports, results of our school or time-table.
10. We can store our data into a computer for future use.

PSEB 6th Class Computer Guide Introduction To Computer Important Questions and Answers

1. Fill in the Blanks

Question 1.
…………… is an electronic machine.
(a) TV
(b) Typewriter
(c) Computer
(d) All of these.
(c) Computer

Question 2.
The speed of computer is …………..
(a) Fast
(b) Slow
(c) Medium
(d) None of these.
(a) Fast

Question 3.
Computer has very large ……………
(a) Speed
(b) Memory
(c) Display
(d) Keyboard.
(b) Memory

Question 4.
In business computers are used to prepare …………….
(a) Cash
(b) Tickets
(c) Books of accounts
(d) None of these.
(c) Books of Accounts

Question 5.
Computers are used in Education by………… and ………….
(a) Teachers, Students
(c) Parents, Children
(d) All of these.
(a) Teachers, Students.

2. True or False

Question 1.
Computer can perform Mathematical Calculations.
True

Question 2.
Computer cannot take decision itself.
True

Question 3.
Computer doesn’t have storage capacity.
True

Question 4.
A computer cannot correct wrong instructions.
False

Question 5.
Computer is an electronic machine which receives input, processes it and gives output.
True

Question 1.
What is a computer ?
A computer is an electronic device that accepts input, processes data, stores data, and produces output.
Computers are not very intelligent devices, but they handle instructions flowlessly and fast. They must follow explicit directions from both the user and computer programmer. Computers are really nothing more than a very powerful calculator with some great accessories.

Question 2.
Give definition of computer.
The computer is a digital electronic machine that processes data to give information. A computer is an electronic device, operating under the control of instructions stored in its own memory that concept data, manipulate the data according to specified rules, produce results, and store the results for further use.

Question 3.
What can we do on a computer ?
A computer accepts input, processes data, stores data and produces output. Computer can perform the following functions :

• Mathematical calculation
• Desktop Publication
• Play Games
• Drawing
• Multimedia
• Booking of Railway and Airplane Tickets
• In Banks
• In Medicine etc.
• Libraries Automation
• Shops Automation
• Domestic work.

Question 4.
How a Computer is helpful in Health and Medicine?
Computers are necessary in every area of health and medicine, The following are the important tasks in health and medicine where computer is used:

For maintaining patient history and records.
As an aid in operation theatre.
Also used for patient monitoring and diagnosis of diseases.
For taking appointment of doctor.

Question 5.
How a computer is helpful in Banks?
In bank, computers are used to maintain records of loans, customers, credits and also used in ATM’s.

Question 1.
Write down about the fields where a Computer can be used ?
Following are the uses of computer in Modern Times:

• We can do mathematical calculations on the computer.
• We can play games on the computer.
• We can draw pictures on the computer.
• We can listen to songs and watch films on the computer.
• We can use computers to print books and newspapers.
• We can use computers to book our tickets to travel in trains, buses and airplanes.
• We can check the arrival and departure time of trains. buses and airplanes
• with the help of a computer.
• We can check the weather conditions of any place before travelling.
• We can print reports, results of our school or time t.able.
• We can store our data into a computer for future use.

Question 2.
Write down characteristics of a Computer.

Speed : Computer is a very fast machine. It can do calculation in milliseconds. It can complete days work in seconds. That is why it has reduced human effort.

Accuracy : Computer is an accurate machine. It never makes any mistakes. Ifa mistake is performed in any calculation that is always due to human
error. A computer can do any task repeatedly for thousands of times without any error.

Reliability: Reliability means the ability of being trusted. A computer is a reliable machine. We cannot doubt the results given by computers because they are always correct. There is no need of rechecking the results. It gives the same result every time.

Diligence : Computer never gets tired. It can to do work for many days or even for years. During this time its efficiency does not decrease and neither it commits errors after long working. In fact, a computer is a hardworking machine.

Automation : Automation means to do the work automatically. Computers can be instructed to do the work without any interaction. He can be given the instructions and the computer can do work without asking anything. We just need to start the computer and ask him to do the particular work. After that it will do the whole work without asking anything.

Storage : The storage capacity of computers is very large. It can attach many storage devices such as hard disk, pen drive at 17 to it. It can store any type of data such as text. audio, video, animation in it. We can also store the storage capacity of computers. Computers store data for a very long time.

Question 3.
Write down the limitations of a Computer.