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
22. Conversion of binary number 1011012 to its decimal number is
A. 4510
B. 4310
C. 4010
D. 4710
E. None of the above
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
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
25. Which of the following is the first integrated logic family?
A. RTL
B. DTL
C. TTL
D. MOS
E. None of the above