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Digital Electronics

Digital Electronics
Which of these circuits will give yield carry with more delay 1. Carry look ahead adder 2. Ripple carry adder

 none
 1.
 both are same
 2.

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Digital Electronics
The number of cells in a 6 variable K-map is

 6
 12
 36
 64

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Digital Electronics
In which of the following base systems is 123 not a valid number?

Base 10
Base 16
Base 3
Base 8

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Digital Electronics
Which of the following is not a transmission medium?

 Telephone lines.
 Coaxial cables.
  Modem.
 Microwave systems.

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Digital Electronics
What is the requirement of fullsubstractor circuit ?

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

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Digital Electronics
A bubbled NOR gate is equivalent to a

 NOR gate
 AND gate
 NAND gate
 X-OR gate

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