Basic_computer_test_preparation_Ex_no_12_for_all_jobs_in_ppsc_fpsc_ots_nts
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| Basic_computer_test_preparation_Ex_no_12_for_all_jobs_in_ppsc_fpsc_ots_nts |
A. Sender
B. Receiver
C. Transmission Medium
D. All of the above
Ans. ( D)
2. Microwave transmission,coaxial cables and fiber optic are
examples of.
A. Modems
B. Communication links
C. Gateways
D. Ring Network
Ans. ( B)
3. The process of transferring data from one location to another is called.
A. Data Processing
B. Data Computing
C. Data Communication
D. Data Sequencing
Ans. ( C)
4. The information that is to be transferred from one location to
another is called.
A. Signals
B. Data
C. Sender
D. Message
Ans. ( D)
5. _____ is component of data communication.
A. Sender
B. Receiver
C. Encoder and Decoder
D. All
Ans. ( D)
6. _____ is not component of data communication.
A. Medium
B. Voltage
C. Decoder
D. Receiver
Ans. ( B)
7. A device that receives message is called.
A. Transmitter
B. Receiver
C. Source
D. Sender
Ans. ( B)
8. The _____ is the physical path over which a message travels.
A. Protocol
B. Medium
C. Single
D. All
Ans. ( B)
9. The electromagnetic or light waves representing data are
called.
A. Refraction
B. Information
C. Signals
D. None
Ans. ( C)
10. BIT stands for.
A. Binary integer
B. Binary digit
C. Binary interval
D. None of the above
Ans. (B)
11. Communication between a computer and a keyboard involves
_______ transmission.
A. Simplex
B. Half-duplex
C. Full_duplex
D. Automatic
Ans. ( A)
12. Light,sound and radio waves are examples of.
A. Analog signals
B. Digital signals
C. Simple signals
D. None
Ans. ( A)
13. The number of times a wave repeats during a specific time
interval is called.
A. Amplitude
B. Oscillation
C. Frequency
D. Pulses
Ans. ( C)
14. The height of wave within a given period of time is called.
A. Amplitude
B. Oscillation
C. Frequency
D. Pulses
Ans. ( A)
15. Which type of data consist of words, sentence and paragraph.
A. Text
B. Image
C. Numeric
D. Video
Ans. ( A)
16. The charts , graphs and picture are examples of.
A. Image
B. Audio
C.Video
D. Text
Ans. (A)
17. The music and speech represent the.
A. Image data
B. Audio data
C. Video data
D. Text data
Ans. ( C)
18. ______ represent actions and movements.
A. Image data
B. Audio data
C. Video data
D. Text data
Ans. ( C)
19. ________ coding schemes use 4 bit code.
A. Unicode
B. ASCII
C. EBCDIC
D. BCD
Ans. ( D)
20. ______ coding scheme is used by IBM.
A. Unicode
B. ASCII
C. EBCDIC
D. BCD
Ans. ( C)
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