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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

 none
 2.
 both are same
 1.

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Digital Electronics
What is the minimum number of 2 input NAND gates used to perform the function of 2 input OR gate

 3
 4
 2
 1

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Digital Electronics
Which mechanism allocates the binary value to the states in order to reduce the cost of the combinational circuits?

State Reduction
State Minimization
State Evaluation
State Assignment

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Digital Electronics
AND-OR realization of a combinational circuit is equivalent to

 NAND-NAND realization
 NOR-NOR realization
 NOR-NAND realization
 NAND-NOR realization

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Digital Electronics
The decimal equivalent of hexadecimal number of 2A0F is

 10767
 17670
 17067
 17607

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Digital Electronics
The output of a gate is HIGH when at least one of its inputs is LOW. It is true for

 OR
 NOR
 NAND
 X-OR

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