Information Technology (Computer Studies) – Primary 6 Weekly Short Class Lesson Notes for Second Term

WEEK 6 – ADVANTAGES AND DISADVANTAGES OF COMPUTER NETWORK

MEANING OF COMPUTER NETWORK

A computer network is a group of two or more computers connected together to share information and resources.

 

ADVANTAGES OF COMPUTER NETWORK

1. Sharing of Information – Files and data can be shared easily between computers.

2. Sharing of Resources – Computers can share printers, internet, and scanners.

3. Fast Communication – Messages and information are sent quickly.

4. Saves Time – Work can be done faster.

5. Reduces Cost – One printer or internet can be used by many computers.

6. Easy Access to Information – Users can get information from other computers.

 

DISADVANTAGES of THE COMPUTER NETWORK

1. Spread of Computer Viruses – Viruses can move from one computer to another.

2. Security Problems – Hackers may steal information.

3. Network Failure – If the network fails, work may stop.

4. High Cost of Setup – Buying cables and devices can be expensive.

5. Requires Skilled Personnel – Experts are needed to manage the network.

6. Over-dependence on Network – Users may depend too much on the network.

Summary – Computer networks make work easy and fast, but they also have problems if not well managed.

 

10 MULTIPLE CHOICE QUESTIONS AND ANSWERS ON ADVANTAGES AND DISADVANTAGES OF COMPUTER NETWORK

INSTRUCTION – Choose the correct answer from the options A – D.

1. A computer network is used mainly to _______.

A. share information and resources

B. decorate computers

C. increase computer size

D. play music

 

2. Which of the following is an advantage of computer network?

A. Spread of virus

B. Easy sharing of files

C. High cost of setup

D. Network failure

 

3. Sharing printers and internet is an example of _______.

A. disadvantage of computer network

B. computer virus

C. computer error

D. advantage of computer network

 

4. One disadvantage of computer network is _______.

A. fast communication

B. sharing information

C. spread of computer virus

D. saving time

 

5. Computer network helps communication to be _______.

A. fast

B. slow

C. fast

D. confusing

 

6. Which of the following is NOT an advantage of computer network?

A. Saving time

B. Sharing resources

C. Easy access to information

D. Security problems

 

7. Hackers stealing information is called _______.

A. fast communication

B. resource sharing

C. security problem

D. computer drawing

 

8. Computer network reduces cost by _______.

A. buying many computers

B. sharing one printer and internet

C. increasing cables

D. spreading virus

 

9. When the network fails, _______.

A. work becomes faster

B. work may stop

C. computers become bigger

D. files become safe

 

10. Which of the following is a disadvantage of computer network?

A. Easy communication

B. Sharing files

C. Network failure

D. Saving time

 

FILL IN THE GAP QUESTIONS

11. One advantage of computer networks is that users can _______ data and information easily.

12. A disadvantage of computer networks is that they can be attacked by _______.

13. Networks allow users to share resources like _______ and internet connection.

14. One disadvantage of networks is that a _______ in the main server can stop the whole network.

15. Computer networks make communication between people _______ and faster.

 

SHORT ANSWER QUESTIONS

16. Name one advantage of a computer network.

17. Mention one disadvantage of a computer network.

18. How do networks help in resource sharing?

19. Give one way a network can fail.

20. Why are computer networks important for communication?

 

ANSWER KEY

1. A 2. B 3. D 4. C 5. A 6. D 7. C 8. B 9. B 10. C 11. share 12. hackers 13. printers 14. failure 15. easy

16. It allows sharing of files and information.

17. Networks can be attacked by hackers.

18. Networks allow multiple users to share printers, internet, and storage devices.

19. If the main server or connection breaks down, the network can fail.

20. They make communication faster and easier through emails, chats, and shared files.

 

WEEK 7 – MID TERM BREAK