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Computer Network
NEED FOR COMPUTER NETWORK
Computers and other devices connected on a network help in:
Resource Sharing: It helps the users to share files and hardware devices such as printers, scanners,
etc.
Communication: It helps us to communicate with others through e-mail, video conference, instant
messaging, etc.
ADVANTAGES OF COMPUTER NETWORK
The advantages of computer network are:
The information can be easily shared with others.
It reduces the cost of hardware.
Store information in one centralised location.
Reliability implies backing up of information. If a system crashes, then the information is accessible
on another workstation for future use.
Reduction in installation cost.
User authentication process to secure the data.
People will have access to all the information they need to get and share through e-mail and instant
messaging which saves time and money in passing information.
COMPONENTS OF A NETWORK
There are mainly five components of a network which are as follows:
Sender: A sender is a computer that wants to send information to the other computer connected to
the network.
Receiver: A receiver is a computer which is expecting the data from another computer on the network.
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