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Digital Electronics

Digital Electronics
Logic circuits are

 analog circuits
 digital circuits
 none of these
 hybrid circuits

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Digital Electronics
The most suitable gate for comparing two bits is

 NAND
 AND
 X-OR
 OR

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Digital Electronics
In Boolean algebra AND is represented by

 ×
 -
 /
 +

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Digital Electronics
While using a frequency counter for measuring frequency, two modes of measurement are possible. 1. Period time 2. Frequency mode There is a ‘cross-over frequency’ below which the period mode is preferred. Assuming the crystal oscillator frequency to be 4Mhz the crossover frequency is given by

 1 Khz
 2 Khz
 2 Mhz
 8 Mhz

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Digital Electronics
A flip flop is a _______ circuit.

 Sequential
 Combinational
 None
 Both A and B

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Digital Electronics
An any or all gate is the other name of

 X-NOR gate
 AND gate
 OR gate
 X-OR gate

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MORE MCQ ON Digital Electronics

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