Digital Computer Electronics – Section 4

31. Which of the following electronic component is not found in ordinary ICs?

A. diodes
B. resistors
C. transistors
D. inductors
E. None of the above

Correct Answer:  D. inductors

32. A shift register can be used for

A. parallel to serial conversion
B. serial to parallel conversion
C. digital delay line
D. All of the above
E. None of the above

Correct Answer:  D. All of the above

33. Which of the following logic families use bipolar transistors?

A. TTL
B. GaAS
C. NMOS
D. CMOS
E. None of the above

Correct Answer:  A. TTL

34. Which of the following Boolean algebra rules is wrong?

A. 0 + A = A
B. 1 + A = 1
C. A + A = A
D. 1 . x = 1
E. None of the above

Correct Answer:  D. 1 . x = 1

35. Conversion of an octal number 608 to binary number is

A. 1100002
B. 100112
C. 11001112
D. 11001102
E. None of the above

Correct Answer:  A. 1100002

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