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Digital Electronics

Digital Electronics
A + Ā is equal to

 1
 A
 Ā
 0

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Digital Electronics
It is desired to have a 64 × 8 ROM. The ROMs available are of 16 × 4 size. The number of ROMs required will be

 6
 4
 8
 2

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Digital Electronics
A gate is inhibited when its inhibit input is at logic 1. The gate is

 NAND
 none of these
 AND
 OR

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Digital Electronics
What logic function is produced by adding inverters to the inputs of an OR gate?

 NAND
 NOR
 X-NOR
 AND

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Digital Electronics
Which of the following gates is known as a coincidence detector?

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

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Digital Electronics
The most suitable gate to check whether the number of 1s in a digital word is even or odd is

 X-OR
 NOR
 NAND
 AND, OR, and NOT

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