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Digital Electronics

Digital Electronics
What logic function is produced by adding an inverter to each input and output of an OR gate?

 X-OR
 NOR
 NAND
 AND

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Digital Electronics
The codes in which each successive code word differs from the preceding one in only one bit position are called

 self-complementing codes
 BCD codes
 cyclic codes
 sequential codes

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Digital Electronics
Which of these circuits have higher gate complexity 1. Carry look ahead adder 2. Ripple carry adder

 none
 2
 1
 both have same

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

 Sequential
 Conversion
 Combinational
 Both A and B

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Digital Electronics
The universal gate is ___________

NAND gate
None of these
AND gate
OR gate

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Digital Electronics
The main criterion in the design of a digital circuit is reduction of

 size
 volume
 cost
 weight

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