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Digital Electronics

Digital Electronics
For 4 bit parallel addition, we need ________ half adder(s) and ________ full adder(s)

 0 and 3
 1 and 4
 1 and 3
 0 and 4

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Digital Electronics
16’s complement of BABA is?

 4445
 4544
 4446
 4546

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

 TRAP.
 RST 6.5.
 RST 7.5.
 INTR.

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

 XS-3 code
 Gray code
 Hamming code
 8421 code

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Digital Electronics
Which circuit is used in between two systems having two different codes

 Conversion
 Combinational
 Sequential
 Both A and B

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Digital Electronics
A combinational circuit can be designed using only

 AND gates
 NOR gates
 OR and X-NOR gates
 OR gates

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