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Digital Electronics

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
 32,767
 32,768
 65,536

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Digital Electronics
A byte is equal to ________ bits.

 4
 16
 32
 8

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Digital Electronics
Which one of the following is 2’s complement of -68?

 11000100
 00111100
 01111100
 10111100

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Digital Electronics
One bit full adder has ________ outputs.

 2
 4
 any number
 3

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Digital Electronics
What will be the Boolean expression for an inverter logic gate, where input is A and output is G ?

 A= G
 G = A
None of these
 G = Ā

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Digital Electronics
The output of a logic gate is 1 when all its inputs are at logic 0. The gate is either

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

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