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Digital Electronics

Digital Electronics
Maximum number in decimal that can be represented by 4 bits (binary) is

 4
 16
 7
 15

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

 10111100
 01111100
 11000100
 00111100

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Digital Electronics
Counter is a

  both.
  sequential circuit.
  combinational circuit.
  none.

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Digital Electronics
Which of the following shows the correct attachment of even parity bit to the data 00001001?

 000010010
 000010011
 100001001
 000001001

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Digital Electronics
An all or nothing gate is the other name of

 X-NOR gate
 X-OR gate
 AND gate
 OR gate

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Digital Electronics
A device which converts decimal number into BCD form is called

 multiplexer
 decoder
 code converter
 encoder

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