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

1. Radio-waves, microwaves and infrared are examples of:

2. The text, numbers, symbols, images, voice and video which are processed by computers and digital devices are called:

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

4. It is an agreement between two parties or venders, using communication devices.

5. Continuously varying signals or waves that change with time period are called:

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

7. This organization is responsible for endorsing and coordinating the functions of the other standards organizations.

8. It is 48 bit MAC, permanent address.

9. In this signals are transmitted in a narrow pathway using physical links.

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

11. Router determines data path to transfer data packets which is the:

12. An electrical signal that is converted into a pattern of bits to represent a sequence of discrete values, at any given time is called:

13. Converting digital signal to analogic called:

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

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

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

17. Collection of raw facts and figures is called:

18. This organization is concerned with the development of internet architecture and smooth operation of the internet.

19. Signals used by computer are the:

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