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Digital Electronics

Digital Electronics
Positive integers must be represented by

 Both A and B
 None of these
 unsigned number
 signed numbers

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Digital Electronics
X OR X' will result

 X
 0
 X'
 1

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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.

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

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Digital Electronics
The output of a logic gate is 0 when all its inputs are at logic 0. The gate is either

 an OR or an X-OR
 an OR or an X-NOR
 an AND or a NOR
 a NAND or an X-OR

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Digital Electronics
At which the digital data can be applied to a a gate is known as ________ frequency.

 Truth
 Operating
 Run-time
 Propagation

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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
 OR
 NAND

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