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Digital Electronics

Digital Electronics
Which of the following gates is known as a coincidence detector?

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

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Digital Electronics
How many bits are required to store one BCD digit ?

 1
 2
 4
 3

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Digital Electronics
A half adder has

 1 input and 1 output
 1 input and 2 outputs
 2 inputs and 1 outputs
 2 inputs and 2 output

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Digital Electronics
A full adder has

 3 inputs, 2 outputs
 3 inputs, 1 output
 2 inputs, 1 output
 2 inputs, 2 outputs

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Digital Electronics
The NAND gate can function as a NOT gate if

 all inputs are connected together
 inputs are left open
 one input is set to 1
 one input is set to 0

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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.
 24.
  10.
 12.

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