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Digital Electronics

Digital Electronics
What is the minimum number of NAND gates required to realize an X-OR gate?

 6
 3
 4
 5

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Digital Electronics
Why small bubble is given on the output of the NAND gate symbol ?

 Output is inverted
 Tristate
None of these
 Open collector output

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Digital Electronics
Extended Binary Coded Decimal Interchange Code is an ________ bit code.

 16
 7
 8
 32

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Digital Electronics
A byte is equal to ________ bits.

 4
 8
 16
 32

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

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

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Digital Electronics
1’s complement of 17 is

 10111.
  01110.
 10001.
 11100.

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