Computer Network

A computer network is a combination of two or more computers. Such computers can share information and communicate with one another.

COMPUTER NETWORK

What is a computer network?

  • A network of computers is a collection of computers.
  • They are interrelated to exchange information and collaborate.

As an example, the computers in your school's computer laboratory are networked. This linkage is referred to as a computer network.

Why Are We Having a Computer Network?

A computer network helps us:

  • Share files and documents
  • Share a printer
  • Send messages

Use the internet

  • Work together on projects
  • Networks facilitate easier and quicker work.

Types of Network

LAN (Local Area Network)

LANs are used to connect a network of computers within a small location such as a classroom, school or home.

LAN

PAN (Personal Area Network)

PANs are used to connect devices with a cellular mobile network, e.g., a hotspot.

PAN

Internet

  • The Internet is the largest network in the world.
  • It links millions of computers internationally.

INTERNET

Devices Used in a Network

  • Router – links the computers to the internet.
  • Modem – Assists in bringing in the internet connection.
  • Cables or Wi-Fi – connect devices.

ROUTER MODEM

These are devices that work with each other to make a network.

Computer networks are used in many sectors

  • Schools
  • Offices
  • Banks
  • Hospitals
  • Homes

Computers have to exchange information almost everywhere.

Safety While Using a Network

  • Do not disclose personal information.
  • Use strong passwords.
  • Do not download without the consent of your teacher.
  • Be kind and polite online.

QUIZ FOR COMPUTER NETWORK

1. What is a computer network?

A) A set of two or more computers which are linked together to share information.
B) One unconditionally working computer.
C) A printer is a gadget that is used to print.
D) A program used for typing

Answer: A) A set of two or more computers which are linked together to share information.

2. What does a computer network assist us in?

A) Share files and documents
B) Play games
C) Print documents
D) Do math homework

Answer: A) Share files and documents.

3. What is an example of a LAN (Local Area Network)?

A) A set of computers that are linked at home or in your classroom.
B) Computers are interconnected in the world.
C) A phone call
D) Sending a letter

Answer: A) A set of computers that are linked at home or in your classroom.

4. So what is the role of a router in a network?

A) Gives internet access and connects the computers to the network.
B) Stores files and documents
C) Prints documents
D) Helps you type faster

Answer: A) Gives internet access and connects the computers to the network.

5. What is the internet?

A) A network that connects millions of computers all over the world.
B) A typing machine.
C) A computer printer to print documents.
D) A device used to save files.

Answer: A) A network that connects millions of computers all over the world.

6. What is the device that brings internet connection to a network?

A) Router
B) Modem
C) Keyboard
D) Monitor

Answer: B) Modem

7. How are devices linked together in a network?

A) Only through Wi-Fi
B) Only with cables
C) Through Wi-Fi, cables, or both
D) By using a USB

Answer: C) Wi-Fi, cable or both.

8. Which one of these is an example of networks at your school?

A) All computers in your school are connected to the internet to share information.
B) one computer in the library.
C) The teacher's computer.
D) Game playing on a computer.

Answer: A) All computers in your school are connected to the internet to share information.

9. Why must we be safe when using a computer network?

A) To secure personal data and use a strong password.
B) To make friends online
C) To chat with strangers
D) To download games

Answer: A) To secure personal data and use a strong password.

10. Which one of them is a safety rule when using a computer network?

A) Pass your password to all others.
B) Take whatever you like from the download.
C) Be nice and polite over the internet.
D) Do not switch off your computer.

Answer: C) Be nice and polite over the internet.