Digital Computer Electronics – Section 4

21. Which function positive logic is equivalent to OR function in negative logic?

A. NOT
B. AND
C. OR
D. NOR
E. None of the above

Correct Answer:  B. AND

22. Conversion of binary number 1011012 to its decimal number is

A. 4510
B. 4310
C. 4010
D. 4710
E. None of the above

Correct Answer:  A. 4510

23. FETs are used in linear ICs to:

A. increase input resistance
B. provide large resistances
C. increase device complexity
D. (a) and (b) above
E. None of the above

Correct Answer:  D. (a) and (b) above

24. A flip-flop can store

A. one bit of data
B. two bits of data
C. three bits of data
D. any number of bits of data
E. None of the above

Correct Answer:  A. one bit of data

25. Which of the following is the first integrated logic family?

A. RTL
B. DTL
C. TTL
D. MOS
E. None of the above

Correct Answer:  A. RTL

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