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Digital Electronics

Digital Electronics
To add two m-bit numbers, the required number of half adder is

 2m+1
 2m
 2m-1
 2m-1

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Digital Electronics
The NOR gate can function as a NOT gate if

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

  10.
 12.
 24.
  6.

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

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

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Digital Electronics
Which of these sets of logic gates are designated as universal gates?

 NOR, NAND, XNOR.
 XOR, NOR, NAND.
 OR, NOT, AND.
 NOR, NAND.

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Digital Electronics
Each term in the standard POS form is called a

 minterm
 literal
 maxterm
 don’t care

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