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Digital Electronics

Digital Electronics
Combinations that are not listed for the input variables are

 Carry
 Overflow
 Don't Care
 Borrow

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

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

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Digital Electronics
The address bus with a ROM of size 1024 × 8 bits is

 16 bits
 8 bits
 12 bits
 10 bits

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Digital Electronics
A full adder has

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

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

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

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

 11000100
 01111100
 10111100
 00111100

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MORE MCQ ON Digital Electronics

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