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Digital Electronics

Digital Electronics
Which of these circuits will give yield carry with more delay 1. Carry look ahead adder 2. Ripple carry adder

 both are same
 none
 1.
 2.

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Digital Electronics
OR operation is equivalant to

 Both B and C
 Union
 Intersection
 Division

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Digital Electronics
In simplification of a Boolean function of n variables, a group of 2m adjacent 1s leads to a term with

 m + 1 literals less than the total number of variables
 n + m literals
 m – 1 literals less than the total number of variables
 n – m literals

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Digital Electronics
1s Complement of 11001010 is

 11001011
 00110101
 11001001
 00110111

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Digital Electronics
Which of the following is known as a mod-2 adder?

 X-NOR gate
 X-OR gate
 NOR gate
 NAND gate

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Digital Electronics
A multiplexer is a combinational logic circuit used to perform the operation

 NOR-OR
 XOR-NAND
 AND-OR
 AND-AND

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