Data Communication and Computer Networks – Online MCQs Test – Computer Science 9th

1. It is a wireless or physical path between the sender and receiver through which data is sent and received from one place In another.

2. Signal-to-noise ratio is often expressed in:

3. It is a 32 bit IP address. It is temporary.

4. This model divides a communication system into seven abstraction layers.

5. It is a device that connects two or more networks.

6. It is used for long distance transmission of data and covers a larger geographical area like cities, provinces or even countries.

7. Communication system is made up of:

8. Signals used by computer are the:

9. Change in the shape of signal between sender and receiver is called:

10. Unwanted signal that mixes lip with the original signal during the transmission of data is called:

11. It means change in the shape of the signal.

12. If you are an electrical or electronic engineer, you should join:

13. Converting digital signal to analogic called:

14. If computers and other devices are connected with a single cable, it is called:

15. Collection of raw facts and figures is called:

16. The loss of energy in transmission signal refers to:

17. The human voice is example of an/a:

18. For transmission, FM, AM radios, television and cordless phones use:

19. It is the aunt her of signals transmitted per second.

20. It is also called Wired or Bounded transmission media.