21. The minimum number of MOS transistors required to make a dynamic RAM cell is

A. 1
B. 2
C. 3
D. 4
E. None of the above

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22. Conversion of an octal number 142₈ to binary number is

A. 1100010₂
B. 110110₂
C. 1100011₂
D. 1101101₂
E. None of the above

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23. Which of the following is used as “Input device” for the computer?

A. Printer
B. VDU
C. TV
D. Light pen
E. None of the above

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24. A machine associated with card-based data processing is

A. Codomain
B. Collator
C. Cartridge
D. Digitizer
E. None of the above

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25. The most popular language used with microcomputers and time-shared mini computers, is an easy-to-use high level language.

A. COBOL
B. ADA
C. PASCAL
D. BASIC
E. None of the above

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