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Digital Electronics

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

 code converter
 decoder
 multiplexer
 encoder

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Digital Electronics
11001, 1001 and 111001 correspond to the 2’scomplement representation of the following set of numbers

 -6, -6 and -6 respectively
 -25, -9 and -57 respectively
 25, 9 and 57 respectively
 -7, -7 and -7 respectively

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Digital Electronics
The number of comparators in a parallel conversion type 8-bit analog to digital converter is

  8.
  255.
 256.
 16.

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Digital Electronics
Which logic family provide minimum power dissipation

 TTL
 ECL
 CMOS
 JFET

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Digital Electronics
A digital voltmeter has a read out range from 0 to 999 counts, the resolution is

 1.1 V.
 1 V.
  1 mV.
 0.01 V.

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Digital Electronics
Counter is a

  none.
  combinational circuit.
  both.
  sequential circuit.

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