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Digital Electronics

Digital Electronics
F’s complement of (2BFD)Hex is

 E304
 D403
 D402
 C403

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Digital Electronics
In which code do the successive code characters differ in only one position?

 Gray code
 Hamming code
 8421 code
 XS-3 code

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Digital Electronics
AND operation of (79)10 & (-56)10 is

 50H
 48H
 08H
 42H

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Digital Electronics
The largest positive number that can be stored in a computer that has 16-bit word length and uses two’s complement arithmetic is

 32,768
 32,767
 65,536
 32

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Digital Electronics
Counter is a

  combinational circuit.
  none.
  sequential circuit.
  both.

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Digital Electronics
It is desired to have a 64 × 8 ROM. The ROMs available are of 16 × 4 size. The number of ROMs required will be

 2
 4
 6
 8

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