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Digital Electronics

Digital Electronics
For 4 bit parallel addition, we need ________ half adder(s) and ________ full adder(s)

 1 and 3
 0 and 4
 1 and 4
 0 and 3

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Digital Electronics
The fast logic family is

  DRL.
  TTL.
  TRL.
  ECL.

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Digital Electronics
In the boolean algebra, a variable has ________ different state(s)/value(s).

 3
 1
 2
 4

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Digital Electronics
A bubbled OR gate is equivalent to a

 AND gate
 X-OR gate
 NOR gate
 NAND gate

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Digital Electronics
Excess-3 code is known as

Weighted code
Self-complementing code
Algebraic code
Cyclic redundancy code

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Digital Electronics
The main equation for a D flip flop is

 Q=D
 Q=1
 Q=0
 Q=D'

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