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Digital Electronics

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

 NOR
 AND, OR, and NOT
 NAND
 X-OR

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Digital Electronics
A 32 × 10 ROM contains a decoder of size

 10 × 32
 32 × 32
 32 × 10
 5 × 32

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Digital Electronics
Which of these sets of logic gates are designated as universal gates?

 NOR, NAND.
 OR, NOT, AND.
 NOR, NAND, XNOR.
 XOR, NOR, NAND.

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Digital Electronics
What is the minimum number of NAND gates required to realize an X-OR gate?

 3
 6
 5
 4

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Digital Electronics
When will be the output of an exclusive-OR gate is HIGH ?

 The inputs are different
 The inputs are equal
 All inputs are LOW
 All inputs are HIGH

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Digital Electronics
In Boolean algebra, the bar sign (-) indicates ___________.

NOT operation
OR operation
AND operation
None of these

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