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Digital Electronics

Digital Electronics
Storage of 1 KB means the following number of bytes

1000
964
1024
1064

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Digital Electronics
The output of a NAND gate is low

 only when all the inputs are high
 only when at least one input is high
 only when all the inputs are low
 only when at least one input is low

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Digital Electronics
In which code do the successive code characters differ in only one position?

 8421 code
 Hamming code
 Gray code
 XS-3 code

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Digital Electronics
Which of the following gates is known as anticoincidence detector?

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

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Digital Electronics
An 8 × 4 ROM contains a decoder of size

 3 × 8
 8 × 4
 8 × 8
 3 × 4

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Digital Electronics
2's Complement of 10101011 is

 10101100
 10101011
 01010101
 00111100

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