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Digital Electronics

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

  8.
  255.
 16.
 256.

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Digital Electronics
ASCII and EBCDIC codes are

 BCD codes
 error correcting codes
 alphanumeric codes
 numeric codes

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Digital Electronics
What logic function is produced by adding an inverter to each input and output of an AND gate?

 NOR
 OR
 X-OR
 NAND

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Digital Electronics
Extremely low power dissipation per gate can be gained from

 MOS ICs
 ECL ICs
 CMOS ICs
 TTL ICs

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Digital Electronics
Most of the digital computers do not have floating point hardware because

Of no specific reason
It is not possible to perform floating point addition by hardware
Floating point hardware is costly
It is slower than software

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Digital Electronics
Simplified form of the function f = (x+y+xy)(x+z)

 x+y
 x+xyz
 x+yz
 y+xz

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