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Digital-electronics Questions Set 115:

Quiz Mode

If the two inputs to the XOR gate are A and A̅, the output Y is always:

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How many 2-input NAND gates are required to realize the following logic expression?

F = X' + Y' + W' + Z'

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When will a JK flip-flop behave as a T flip-flop?

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Which of the following statements is/are true?

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What does PAL stand for?

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What is the output pulse width for a 555 monostable circuit with R1 = 2.2 kΩ and C1 = 0.01 μF?

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Consider the operation 24b + 17b = 40b. What is the correct base b of the numbers so that the operation is correct?

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An input sequence 1011 is applied to a ring counter (with the rightmost bit applied first). What is the sequence seen after 6 clock cycles?

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A serial in/parallel out, 4-bit shift register initially contains all ones. The data nibble 0111 is waiting to enter. After four clock pulses, the contents of the register are

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Why are the circuits of NOR-based S-R latches classified as asynchronous sequential circuits?

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