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

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

2. Both Physical and Logical addresses are:

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

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

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

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

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

8. Sometimes, signals traveling through transmission media lose their quality This phenomenon is called:

9. It is a group of computer and peripheral devices which are connected in a limited area such as school, laboratory, home and office building.

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

11. This computer network can spread across an entire city, college campus, or a small region.

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

13. Loss of signal energy is called:

14. Communication system is made up of:

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

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

17. Collection of raw facts and figures is called:

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

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

20. The rules and procedures on which computers exchange data on network are called: