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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

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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

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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

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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

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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

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