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Digital Electronics

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

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

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Digital Electronics
A 15-bit Hamming code requires

 4 parity bits
 none of these.
 15 parity bits
 5 parity bits

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Digital Electronics
The switch which clears a flip-flop is know as

 None
 Clear
 Reset
 Both A and B

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Digital Electronics
What is the requirement of fullsubstractor circuit ?

 Two inputs and two outputs
 Three inputs and two outputs
 Three inputs and one output
 Two inputs and three outputs

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Digital Electronics
How many flip flops are required to build a binary counter circuit to count from 0 to 1023?

  6.
  10.
 24.
 12.

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

 OR
 none of these
 NAND
 AND

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