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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?

 AND
 X-NOR
 OR
 NAND

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Digital Electronics
The base of the number system for the addition operation 24 + 14 = 41 to be true is

 8
 7
 5
 6

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Digital Electronics
The maximum positive and negative numbers which can be represented in two’s complement form using n bits are respectively,

 +(2n-1-1),-(2n-1-1)
 +(2n-1-1),-2n-1
 +2n-1,-2n-1
 +2n-1,-(2n-1+1)

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Digital Electronics
1 Gigabyte is equal to

 1024 Mbytes
 1024 bytes
 1024 bits
 1024 kbytes

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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
 the input is LOW
None of these

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

 10111100
 11000100
 00111100
 01111100

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MORE MCQ ON Digital Electronics

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