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

WEEK 4 – COMPUTER NETWORK AND REQUIREMENTS

MEANING OF COMPUTER NETWORK

A computer network is a group of two or more computers connected together to share information, files, and resources like printers and internet.

 

TYPES OF COMPUTER NETWORKS

1. Local Area Network (LAN) connects computers within a small area. Examples: school computer room, home, office. It is fast and cheap.

2. Metropolitan Area Network (MAN) connects computers within a city or town. Larger than LAN but smaller than Wan.

3. Wide Area Network (WAN) connects computers over a very large area. Examples: countries and the whole world. The internet is the best example of WAN

 

REQUIREMENTS FOR COMPUTER NETWORK

1. Computers – Two or more computers are needed to form a network.

2. Network Cables – They are used to connect computers together. Examples: LAN cable.

3. Network Devices – They are devices that help computers communicate. Examples: Router, Switch, Modem.

4. Network Interface Card (NIC) – It helps a computer to connect to a network.

5. Network Software – They are programs that control the network. Examples: Windows Network, Network drivers.

 

IMPORTANCE OF COMPUTER NETWORK

1. It helps people share information.

2. It saves time and cost.

3. It makes communication easy and fast.

4. It allows sharing of printers and internet.

 

10 MULTIPLE CHOICE QUESTIONS AND ANSWERS ON COMPUTER NETWORK AND REQUIREMENTS

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

1. A computer network is a group of _______.

A. books connected together

B. televisions connected together

C. computers connected together

D. radios connected together

 

2. The main purpose of a computer network is to _______.

A. play games only

B. type faster

C. draw

D. share information and resources pictures

 

3. Which type of network covers a small area like a school or home?

A. WAN

B. MAN

C. LAN

D. PAN

 

4. A network that covers a whole country or the world is called _______.

A. WAN

B. LAN

C. MAN

C. SAN

 

5. The Internet is an example of _______.

A. WAN

B. LAN

C. MAN

C. SAN

 

6. Which of the following is NOT a requirement for a computer network?

A. Computers

B. Network cables

C. Network devices

D. Cooking gas

 

7. A device used to connect computers in a network is called _______.

A. Printer

B. Router

C. Scanner

D. Speaker

 

8. Network cables are used to _______.

A. play music

B. decorate the room

C. connect computers together

D. print documents

 

9. The Network Interface Card (NIC) helps a computer to _______.

A. type faster

B. draw pictures

C. play games

D. connect to a network

 

10. Sharing printers and internet is an advantage of _______.

A. computer drawing

B. computer virus

C. computer network

D. computer hardware

 

FILL IN THE GAP QUESTIONS

11. A computer network is a group of computers that are _______ together.

12. A network that covers a small area like a school or home is called a _______.

13. A network that covers a large area like a country or the world is called a _______.

14. One requirement for a computer network is a _______ to connect the computers.

15. Networks are important because they allow computers to _______ data and resources.

 

SHORT ANSWER QUESTIONS

16. What is a computer network?

17. Name two types of computer networks.

18. Mention one requirement for setting up a computer network.

19. Why is a computer network important?

20. Give one example of a computer network in daily life.

 

ANSWER KEY

1. C 2. D 3. C 4. A 5. A 6. D 7. B 8. C 9. D 10. C 11. connected 12. LAN (Local Area Network) 13. WAN (Wide Area Network) 14. medium (or cable/wireless connection) 15. share

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

17. LAN (Local Area Network) and WAN (Wide Area Network).

18. A connecting medium like cables or wireless devices.

19. It allows sharing of data, files, and resources like printers and internet.

20. A school computer lab connected via LAN.