Services, Reasons and Goals of Computer Network

1.      Services of computer network.

a)      Directory services

b)     File services

c)      Application services

d)     Communication services

2.      Reasons of keeping computers on the network

a)      To share hardware devices like printers, scanners, hard disks etc.

b)     To share data, information and programs.

c)      To communicate with each other.

3.      Goals of computer network

a)      Resource sharing

b)     Reliability

c)      Communication medium

d)     Access to remote database

e)      Easy data transfer

4.      Computer Network reduces expenses of an office. Justify this statement with an example.

Computer Network reduces expenses of an office because computer on a network share different hardware devices like printers, scanners, hard disk etc. And sharing those hardware devices will reduces the expense of an office. For example if there are twenty computers in an office, now for printing the data there is no need to buy twenty printers individually rather than simple network the computer and connect the printer on the network which helps in sharing of the one printer among twenty computers which reduces the cost of buying nineteen printers individually.

5.      Computer network makes the world a small place. Justify.

Computer network makes the world small place. It is true because in computer network we can know about the events and things place outside or inside the country sitting within a room. And we also can communicate with our relatives who are far away from us or has gone to abroad for job or study. Therefore, computer network makes the world a small place.