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Bluetooth is a technology that enables wireless communication between low-power
                         consumption devices within a short range.

                          Protocol is a set of rules that governs the communication between the computers
                         over a network.


                                                        Exercise




                 A.  Tick ( ) the correct option.

                    1.  Which of the following terms describes a computer that is connected to a network?


                      a. Node                              b. Unit                       c. Device
                    2.  What is a computer network that spans across a city called?


                      a. LAN                               b. MAN                        c. WAN

                    3.  Which networking device can convert the digital data into analog signal and vice-versa?

                      a. Hub                               b. Router                     c. Modem

                    4.   In which topology, the central node acts as a hub, switch or router to which all the other nodes
                      are connected?

                      a. Star                              b. Ring                       c. Mesh


                 B.  Write ‘T’ for true and ‘F’ for false.
                    1.  Modulation is the process of converting analog signals into digital signal.     ..........................


                    2.   Bluetooth technology uses radio frequency to transmit data from one
                      system to another.                                                                ..........................

                    3.   Through computer networking, information can be easily shared
                      amongst people.                                                                   ..........................

                    4.  In Bus topology, all the nodes are connected to a single common path.           ..........................

                    5.  A server is also known as host computer.                                        ..........................

                 C.  Fill in the blanks using the words given below.


                                                      Router, Protocol, SMTP, Mesh, NIC


                    1.  .......................... is a set of rules that governs the communication between computers on a network.

                    2.  .......................... is a protocol used to send e-mail messages over the internet.




                                                                                            Computer Networking   13
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