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Digital Electronics

Digital Electronics
X OR X' will result

 X
 1
 X'
 0

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Digital Electronics
Counter is a

  sequential circuit.
  none.
  both.
  combinational circuit.

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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
NAND. gates are preferred over others because these

consume least electronic power
provide maximum density in a chip.
have lower fabrication area
can be used to make any gate

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

 Coaxial cables.
 Telephone lines.
  Modem.
 Microwave systems.

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Digital Electronics
A multiplexer is a

 1-to-N device
 1-to-1 device
 N-to-N device
 N-to-1 device

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