Question

define computer network for class 8​

Answer 1

Answer:

Computer networks have shrunk the world and brought people together. They have extended the power of a computer beyond the expanse of a room. Advancements in networking techniques, protocols and so on have made a profound impact in areas of communication and learning. The size of computer networks may vary. The Internet is an example of a computer network that spreads all across the world. The Internet is also referred to as the worldwide network of computers and it is growing at a rapid rate.

A computer network

consists of two or more computers that are linked in order to share resources such as printers, exchange files and allow communication.

Let us learn more about computer networks.

NEED FOR COMPUTER NETWORKS

Nowadays, computer networks are a vital part of any organisation. Some of the advantages of computer networks are:

Resource Sharing: All computers in a network can share resources such as printers, fax machines, modems and scanners.

File Sharing and Remote Database Access: A computer network allows sharing of files and access to remote database. We can easily access the files stored on various computers on a network. Also, networking allows many people to work simultaneously on the data stored in a database.

Ease of Communication: Computer networks allow people to communicate through emails and instant messaging facilities. This makes the transmission of information easier, more efficient and less expensive.

Explanation:

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Answer 2

Answer:

A Computer network in general refers to an interconnected network of computing devices that can exchange data and share resources with each other.

Explanation:

• A network can be defined as a collection of two or more devices.
• The first working computer network was called ARPANET.
• Some basic components of a computer network are Network Devices( Computers), links, communication protocols and a network defense to prent intruders from gaining access to the computer network.
• Some omputer networks you might have heard of in everyday life are LAN(Local area network) and WAN(Wide area network).

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