Digital Computer Electronics – Section 5

26. How many bytes are there in 1011 1001 0110 1110 numbers?

A. 1
B. 2
C. 4
D. 8
E. None of the above

Correct Answer:  B. 2

27. Consider as RS flip-flops with both inputs set to 0. If a momentary ‘1’ is applied at the input S, then the output

A. Q will flip from 0 to 1
B. Q will flip from 0 to 1 and then back to 0
C. Q will flip from 0 to 1
D. Q will flip from 0 to 1 and then back to 0
E. None of the above

Correct Answer:  A. Q will flip from 0 to 1

28. Which of the following logic expression is wrong?

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

Correct Answer:  C. 1+0+1 = 1

29. Subtraction of 1001011002 from 11101010102 is

A. 10010111102
B. 01101000012
C. 11110000012
D. 11110111112
E. None of the above

Correct Answer:  A. 10010111102

30. Addition of 1101012 and 1011112 is

A. 11001002
B. 11010002
C. 11101112
D. 1100112
E. None of the above

Correct Answer:  A. 11001002

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