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Digital Electronics

Digital Electronics
Which of the following is 2’s complement of +12?

 00001100
 01110011
 00000011
 00001000

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Digital Electronics
Temperature variation is a/an

 Digital quantity
 Analog quantity
 None
 Either Digital or Analog quantity

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

 1 V.
 1.1 V.
  1 mV.
 0.01 V.

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Digital Electronics
The main equation for a D flip flop is

 Q=D'
 Q=0
 Q=D
 Q=1

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Digital Electronics
For checking the parity of a digital word, it is preferable to use

 NOR gates
 NAND gates
 AND gates
 X-OR gates

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Digital Electronics
ASCII and EBCDIC codes are

 BCD codes
 numeric codes
 alphanumeric codes
 error correcting codes

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