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Digital Electronics

Digital Electronics
NOT gates are to be added to the inputs of which gate to convert it to a NOR gate?

 X-NOR
 NAND
 OR
 AND

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Digital Electronics
11001, 1001 and 111001 correspond to the 2’scomplement representation of the following set of numbers

 -7, -7 and -7 respectively
 25, 9 and 57 respectively
 -25, -9 and -57 respectively
 -6, -6 and -6 respectively

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Digital Electronics
When will be the output of an exclusive-OR gate is HIGH ?

 All inputs are HIGH
 The inputs are equal
 The inputs are different
 All inputs are LOW

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Digital Electronics
The binary number 10101 is equivalent to decimal number ___________.

12
27
21
19

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Digital Electronics
1s Complement of 11001010 is

 00110111
 11001001
 00110101
 11001011

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

6
64
128
32

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MORE MCQ ON Digital Electronics

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