1st Year Computer Chapter 3 MCQs Test

1. Process of sending data from on device to other is called:

2. Example of numeric data is:

3. The electromagnetic or light waves representing data are called

4. A cable consists of tubes of glass through which data are transmitted as pulse of light is called:

5. Example of unguided media:

6. Start/Stop bits are not required in the transmission:

7. Communication between computer and keyboard involves the transmission:

8. The microphone converts the sound into:

9. The process of converting digital signals into analog signals by a modem is:

10. The device that receive data is called:

11. A type of communication that send data using flow control to synchronise data between sender and receiver:

12. Digital signals are commonly called as .

13. Modulation require in _______.

14. Transmission from satellite to its earth-based station is called .

15. Data travel in line of sight in :

16. The modem’s data transfer rate is measured in .

17. BIT stand for

18. Data is transmitter block by block in .

19. Most of data transmission over telephone lines use .

20. Important property of fiber optic cable is .

21. Which of the following device uses the parallel transmission ?

22. Which of the following type of data is used to displaying action and movement ?

23. Signals produced by computer to set over telephone line must be converted to:

24. Analog signals are measured in .

25. Frequency of analog signals measured in .

26. The height of wave within a given period of time is known as .

27. The number of times a wave repeats during a specific time interval is called .

28. Data communication requires only .

29. The internal transfer of data in a computer uses:

30. ASCII code was developed by:

31. BCD code is ______ bit code.

32. ______ code is 7 or 8 bis code

33. _____ Encoding scheme was used and developed by IBM.

34. Sound, light and radio waves are example of which signal?