Hello Aspirant,

A computer network is a system of interconnected computer and peripheral devices.  For example, it may connect computers, printers, scanners and cameras. Following are few applications of Computer networks:

i. Sharing of resources such as printers

ii. Sharing of expensive software's and database

iii. Communication from one computer to another computer

iv. Exchange of data and information among users via network

v. Sharing of information over geographically wide areas.

Good Luck