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

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

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

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

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

5. Signals used by computer are the:

6. Both Physical and Logical addresses are:

7. The topology in which all computers are connected to a central device called hub is:

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

9. Collection of raw facts and figures is called:

10. Converting digital signal to analogic called:

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

12. In optical fiber or fiber-optic cable data is transferred in the form of:

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

14. It is the rate at which data is transferred and normally measured in bits per second.

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

16. The number of bits used in an IPV 4 address are:

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

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

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

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