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Digital Electronics

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

 NOR
 AND
 NAND
 X-OR

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

 16.
  255.
  8.
 256.

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Digital Electronics
For 4 bit parallel addition, we need ________ half adder(s) and ________ full adder(s)

 0 and 3
 1 and 4
 0 and 4
 1 and 3

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Digital Electronics
How many NOR gates are required to obtain AND operation?

 4
 3
 1
 2

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Digital Electronics
1 kb represents

 1024 bytes
 10,000 bytes
 100 bytes
 1000 bytes

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Digital Electronics
A three-state buffer has the following output states

 High, Low, Float
 Both A and B
 1, 0, float
 Set, Reset, Halt

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