Digital Computer Electronics – Section 1

46. The ALU carries out arithmetic and logic operations. It processes _____ numbers rather than decimal numbers.

A. decimal
B. hexadecimal
C. binary
D. All of the above
E. None of the above

Correct Answer:  C. binary

47. Conversion of decimal number 7110to it’s binary number equivalent is

A. 1100112
B. 11100112
C. 01100112
D. 10001112
E. None of the above

Correct Answer:  D. 10001112

48. Which of the following flip-flops is free from race around problem?

A. T flip-flop
B. SR flip-flop
C. master slave JK flip-flop
D. All of the above
E. None of the above

Correct Answer:  C. master slave JK flip-flop

49. Conversion of decimal number 6710 to it’s octal number equivalent is

A. 1008
B. 1038
C. 1098
D. 998
E. None of the above

Correct Answer:  B. 1038

50. A NOR gate has two or more input signals. All input must be _____ to get a high output

A. low
B. high
C. some low some high
D. 1’s
E. None of the above

Correct Answer:  A. low

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