Question/Answer

           

             (1)     Define computer network.

     Ans:   A computer network is a group of computers that are connected together to share                                  information, data, software and hardware in high speed.

 (2)    Write any three advantages of computer network.

     Ans:   The three advantages of computer network are:-

Ø Computer network make communication between different users easier and faster.

Ø  Computer network allow users to share data and software at the same time.

Ø  Different network users can share peripheral devices such as printers.

       (3)    What are protocols?

      Ans:   A protocol is rules to send and receive data in a network environment is called protocol.

       (4)    What is repeater?

      Ans:   A repeater is a device of a network that generates a signal and converts a weak into a                           strong  signal and sends to computer.

       (5)   What is hub?

    Ans:    A hub is a small device with multiple parts that provides a physical connection to the                          different device of a network.

       (6)    What is NIC?

     Ans:    Network Interface Card (NIC) is a device that makes physical connection between two                       different computers.

       (7)    What is network operating system?

     Ans:   A network operating system is a group of programs which are used to manage the resources on the network.

         (8)   What is medium?

     Ans:    A medium is a communication channel which is used to connect different computers and                      device in a network environment

.

         (9)  What is workstation?

      Ans:  A workstation is a computer where a user can work.

        (10)  What is server?

       Ans:  A server is a powerful computer that provides services to different workstations.

        (11)  Differentiate between Client server  and peer to peer network.

Ans: 

Client server	Peer to peer network
It is one of the popular models which consist of at least one server and one or more client or workstation.	It is a group of computer which functions equally as servers and workstations.
It is suitable for large organizations.	It is suitable for small office and schools.

    (12)   Define LAN, MAN and WAN.

     Ans:  LAN-

                  Local Area Network (LAN) is a network system that covers a very small area.

          MAN-

                   Metropolitan Area Network (MAN) is a network system that covers a town or city to                            share data, information and other resources.

          WAN-

                  Wide Area Network (WAN) is a network system which connects two or more network or                      computers connected together in large geographical area.