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

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

2. It is the channel or path through which the message is carried from sender to the receiver.

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

4. Twisted-pair cable, coaxial cable, radio waves are examples of:

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

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

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

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

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

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

11. It has the ability of sending and receiving signals that allows computers to share information with each other.

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

13. Both Physical and Logical addresses are:

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

15. Collection of raw facts and figures is called:

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

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

18. Loss of signal energy is called:

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

20. Converting digital signal to analogic called: