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Digital Electronics

Digital Electronics
Number of 2 input multiplexers need to construct a 210 inputs multiplexer is _________

 32
 1023
 9
 129

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Digital Electronics
The voltages corresponding to LOW and HIGH levels respectively are given below. Identify the voltages which correspond to positive logic system.

 1 V and -5 V
 0 V and 5 V
 5 V and 0 V
 –1.5 V and – 5 V

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Digital Electronics
In digital systems, 1 byte is equal to ________ bit(s).

 1
 4
 8
 2

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Digital Electronics
Positive integers must be represented by

 unsigned number
 signed numbers
 Both A and B
 None of these

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Digital Electronics
The main equation for a D flip flop is

 Q=1
 Q=D'
 Q=D
 Q=0

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Digital Electronics
NOT gates are to be added to the inputs of which gate to convert it to a NOR gate?

 AND
 X-NOR
 NAND
 OR

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