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Digital Electronics

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

 Gray code
 8421 code
 Hamming code
 XS-3 code

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Digital Electronics
A signed integer has been stored in a byte using 2’scomplement format. We wish to store the same integer in 16-bit word. We should copy the original byte to the less significant byte of the word and fill the more significant byte with

 Equal to the MSB of the original byte
 Complement of the MSB of the original byte
 0
 1

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Digital Electronics
Which one of the following is not a vectored interrupt?

 RST 7.5.
 INTR.
 TRAP.
 RST 6.5.

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

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

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Digital Electronics
16’s complement of BABA is?

 4445
 4446
 4546
 4544

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Digital Electronics
In the boolean algebra, a variable has ________ different state(s)/value(s).

 1
 2
 4
 3

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