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Digital Electronics

Digital Electronics
An any or all gate is the other name of

 X-NOR gate
 OR gate
 X-OR gate
 AND gate

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Digital Electronics
A system has following negative numbers stored in binary form as shown. The wrongly stored number is

 -89 as 10100111
 -48 as 11101000
 -32 as 11100000
 -37 as 11011011

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Digital Electronics
The output of a gate is HIGH if and only if all its inputs are LOW. It is true for

 X-NOR
 X-OR
 NAND
 NOR

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Digital Electronics
OR operation is equivalant to

 Division
 Union
 Intersection
 Both B and C

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Digital Electronics
To get an excess-3 code from BCD code

 0011 is subtracted
 0110 is added
 0011 is added
 0110 is subtracted

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

 1 and 3
 1 and 4
 0 and 3
 0 and 4

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