Digital Computer Electronics – Section 4

26. A flip-flop is a _____ element that stores a binary digit as a low or high voltage.

A. chip
B. bus
C. I/O
D. memory
E. None of the above

27. Conversion of decimal number 89₁₀ it’s binary number equivalent is

A. 1011011₂
B. 1100111₂
C. 1011001₂
D. 10011₂
E. None of the above

28. An AND gate has 7 inputs. How many input word are in its truth table?

A. 64
B. 32
C. 16
D. 128
E. None of the above

29. When an inverter is placed between both inputs of an SR flip-flop, the resulting flip-flop is

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

30. Arithmetic operation are coded in

A. Decision symbols
B. Input/Output(I/O)
C. Processing symbols
D. Terminal symbols
E. None of the above