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Digital Electronics

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

 1 and 4
 1 and 3
 0 and 3
 0 and 4

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Digital Electronics
OR operation is equivalant to

 Union
 Intersection
 Both B and C
 Division

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Digital Electronics
"What would happen, if smaller logic modules are utilized for performing logical functions associated with FPGA? A. Propagation delay will increase B. FPGA area will increase C. Wastage of logic modules will not be prevented D. Number of interconnected paths in device will decrease"

A & D
C & D
A & B
B & C

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Digital Electronics
A device which converts BCD into octal is called

 encoder
 decoder
 demultiplexer
 code converter

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Digital Electronics
When will be the output of a NOT gate is HIGH ?

 the input is HIGH and LOW
 the input is HIGH
None of these
 the input is LOW

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Digital Electronics
Which one of the following is 2’s complement of -68?

 01111100
 11000100
 10111100
 00111100

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