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Digital Electronics

Digital Electronics
A + Ā is equal to

 Ā
 1
 A
 0

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Digital Electronics
1’s complement of 17 is

 11100.
 10111.
 10001.
  01110.

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Digital Electronics
The decimal equivalent of hexadecimal number “BEED” is

 48,877
 47,877
 none
 48,777

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Digital Electronics
Which of the following gates cannot be used as an inverter?

 X-NOR
 NAND
 AND
 NOR

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Digital Electronics
In Boolean algebra, OR is represented by

 -
 /
 +
 ×

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Digital Electronics
What is the difference between xor gate and exor gate.

 xor gives one output while exor gives two
 xor and exor are complement of each other
 xor gives two outputs while exor gives one
 both are same

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