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Digital Electronics

Digital Electronics
A + Ā is equal to

 Ā
 0
 1
 A

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Digital Electronics
The most suitable gate for comparing two bits is

 OR
 AND
 NAND
 X-OR

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Digital Electronics
Which of the following is known as a mod-2 adder?

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

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Digital Electronics
The largest positive number that can be stored in a computer that has 16-bit word length and uses two’s complement arithmetic is

 32,767
 65,536
 32
 32,768

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Digital Electronics
A single flip-flop can be cleared (reset) to

 Both A and B
 1
 None
 0

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

 OR
 X-OR
 NOT
 AND

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