Basic_computer_test_preparation_Ex_no_13_for_all_jobs_in_ppsc_fpsc_ots_nts
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| Basic_computer_test_preparation_Ex_no_13_for_all_jobs_in_ppsc_fpsc_ots_nts |
1. IBM stands for.
A. International Business Machine
B. International Binary Machine
C. Internet Business Machine
D. International Business Microsoft
Ans. ( A)
2. The ______ is the physical path over which message travels.
A. Protocol
B. Medium
C. Signal
D. All the above
Ans. ( B)
3. The height of the wave is called.
A. Oscillation
B. Amplitude
C. Signal
D. Frequency
Ans. ( B)
4. ASCII 7-bit code can represent maximum.
A. 256 character
B. 128 character
C. 64 character
D. 65536 character
Ans. ( B)
5. ASCII 8-bit code can represent maximum.
A. 256 character
B. 128 character
C. 64 character
D. 65536 character
Ans. ( A)
6. ______ code system can represent UpTo 65536 symbols.
A. ASCII -7
B. EBCDIC
C. ASCII -8
D. Unicode
Ans. ( D)
7. ________ coding scheme uses 16 bit to represent a symbol.
A. BCD
B. EBCDIC
C. ASCII
D. Unicode
Ans. ( D)
8. BCD stands for.
A. Bit Coded Digit
B. Byte Coded Decimal
C. Binary Coded Decimal
D. None
Ans. ( C)
9. How many types of data transmission modes are there.
A. 2
B. 3
C. 4
D. 5
Ans. ( B)
10. In _____ communication modes the data communication can take place in only one direction.
A. Simplex
B. Half -duplex
C. Full-duplex
D. None
Ans. ( A)
11. Internet surfing or browsing is an example of.
A. Simplex
B. Half -duplex
C. Full-duplex
D. None
Ans. ( B)
12. The conservation of two persons through telephone line is an example of.
A. Simplex
B. Half -duplex
C. Full-duplex
D. None
Ans. ( C)
13. Which of the following has a 4 bit coding scheme.
A. BCD
B. EBCDIC
C. ASCII
D.Unicode
Ans. ( A)
14. ASCII is ____ bit coding scheme.
A.8
B. 16
C. 7
D. 4
Ans. ( C)
15. _____ is the fastest communication mode.
A. Simplex
B. Half -duplex
C. Full-duplex
D. None
Ans. (C)
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