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

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

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

29. Subtraction of 100101100₂ from 1110101010₂ is

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

30. Addition of 110101₂ and 101111₂ is

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