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Digital Electronics

Digital Electronics
In Boolean algebra, OR is represented by

 /
 ×
 -
 +

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Digital Electronics
What is the 2’s complement of 10110000?

 10001110
 10110000
 01010000
 01001111

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Digital Electronics
What is the minimum number of NAND gates required to realize an X-OR gate?

 5
 3
 4
 6

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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
A device which converts 2421 code into 8421code is called a

 code converter
 code encoder
 code decoder
 coder

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Digital Electronics
1 Gigabyte is equal to

 1024 Mbytes
 1024 kbytes
 1024 bits
 1024 bytes

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