DIGITAL ELECTRONICS QUIZ

The NOR gate is OR gate followed by ___________.

NAND gate

None of these

AND gate

NOT gate

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A debouncing circuit is

An astable MV

A latch

A bistable MV

A monostable MV

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The following code is not a BCD code.

Gray code

all of these

8421 code

XS-3 code

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An OR gate has 6 inputs. The number of input words in its truth table are

64

128

32

6

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For the design of a combinational circuit with four inputs using only NAND gates, the number of K-maps required for the simplification process is

2

4

0

1

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Odd parity of a bit stream can be tested using ________ gate.

NOR

XOR

OR

AND

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A latch is ________ sensitive

None

edge

level

both level and edge

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In Boolean algebra AND is represented by

-

/

×

+

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A multiplexer is a

1-to-1 device

1-to-N device

N-to-1 device

N-to-N device

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If J = K (J and K are shorted) in a JK flip-flop, what circuit is made

Shorted JK flip-flop

SR flip-flop

T flip-flop

K flip-flop

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