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

 OR
 NOR
 X-OR
 NAND

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Digital Electronics
10’s complement of 63325600 is

 36774400
 633256600
 36674400
 366744399

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Digital Electronics
(44)8 in BCD 8421 code is

 00110110
 01000100
 00100100
 01100011

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Digital Electronics
What is the minimum number of NAND gates required to realize an X-OR gate?

 3
 4
 6
 5

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Digital Electronics
Why decoder is used in the digital electronics ?

 It is used to separate address bus and data bus
 To convert non coded information into coded form
None of these
 To convert coded information into non coded form

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