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Digital Electronics

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

 00001000
 00000011
 01110011
 00001100

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Digital Electronics
The parity of the binary number 11011001 is

 not known
 same as the number of zeros
 odd
 even

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Digital Electronics
In LSI, the number of gate circuits per chip is

 1000 to 10,000
 100 to 9,999
 100 to 999
 < 10,000

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Digital Electronics
Logic circuits are

 none of these
 hybrid circuits
 digital circuits
 analog circuits

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Digital Electronics
Counter is a

  sequential circuit.
  both.
  combinational circuit.
  none.

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Digital Electronics
The 7-bit Hamming code is used to transmit

 3 data bits
 7 data bits
 4 data bits
 no data bits

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