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Digital Electronics

Digital Electronics
Which of the following is 2’s complement of +12?

 00001000
 00000011
 01110011
 00001100

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

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

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Digital Electronics
An OR gate has 6 inputs. The number of input words in its truth table are

6
128
32
64

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Digital Electronics
The output of a logic gate is 1 when all its inputs are at logic 0. The gate is either

 an X-OR or an X-NOR
 a NAND or a NOR
 an OR or a NAND
 an AND or an X-NOR

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Digital Electronics
What is mean by FPU

 floating parallel unit
 floating parallel universal
 floating point universal
 floating point unit

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Digital Electronics
The most suitable gate for comparing two bits is

 X-OR
 NAND
 AND
 OR

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