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Digital Electronics

Digital Electronics
What is the gray code for the binary 101011?

 111110
 110101
 101011
 011111

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

 X-OR
 NAND
 OR
 NOR

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Digital Electronics
The set of which logic gates is designated as universal gate?

 XNOR, NOR, NAND.
 NOT, OR , AND.
 XNOR, NOR, NAND.
  NOR , NAND.

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Digital Electronics
2's Complement of 10101011 is

 10101011
 10101100
 01010101
 00111100

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

 none
 1
 both have same
 2

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Digital Electronics
The implicants which will definitely occur in the final expression are called

 prime implicants
 selective prime implicants
 essential prime implicants
 redundent prime implicants

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