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Digital Electronics

Digital Electronics
NOT gates are to be added to the inputs of which gate to convert it to a NAND gate?

 OR
 X-OR
 AND
 NOT

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Digital Electronics
The output of a gate is LOW if and only if all its inputs are HIGH. It is true for

 X-NOR
 AND
 NAND
 NOR

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Digital Electronics
X = 01110 and Y = 11001 are two 5-bit binary numbers represented in 2’s complement format. The sum of X and Y in 2’s complement format using 6 bits is

 100111
 101001
 0001111
 001000

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Digital Electronics
The output of a logic gate is 1 when all its inputs are at logic 1. The gate is either

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

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Digital Electronics
In the boolean algebra, a variable has ________ different state(s)/value(s).

 2
 1
 4
 3

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Digital Electronics
The data bus width of a ROM of size 2048 × 8 bits is

 16
 12
 8
 10

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MORE MCQ ON Digital Electronics

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