A computer network means two or more than two computers connected with each other to share data , hardware,software,and other resources .Other resources includes printers,hard disk ,CD drive etc.Telephone lines ,cables,satellite links ,radio waves and other communication techniques, interconnect computer in the network.
ADVANTAGE OF THE COMPUTER NETWORK
Computers in a network can access network-connected hardware devices like printers disk drives etc.
Information can exchange rapidly in computer network.
Computers in a network system share different software packages .
Data in a network environment can be updated from any computers .Updated data can be accessed by all computers of the network.
DISADVANTAGES OF COMPUTERS NETWORK
Failure of server stops application being available.
Network failure cause loss of data.
User work dependents upon network.
System opens to hackers.
NETWORK CATEGORIES On the basis of the size of the network, the distance it covers and the type of the line used in communication , the computers network is divided into three categories .They are;
Local Area Network
Metropolitan Area Network
Wide Area Network
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