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Digital Electronics

Digital Electronics
A gate is enabled when its enable input is at logic 1. The gate is

 NOR
 NAND
 none of these
 OR

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Digital Electronics
Minimization of logical expressions while designing digital systems helps in reducing

 cost
 space requirements
 power requirements
All of these

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Digital Electronics
If two numbers in excess-3 code are added and the result is less than 9, then to get equivalent binary

 0011 is subtracted
 0110 is subtracted
 0011 is added
 0110 is added

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Digital Electronics
(44)8 in BCD 8421 code is

 01000100
 00100100
 01100011
 00110110

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Digital Electronics
A demultiplexer is a

 1-to-1 device
 N-to-N device
 N-to-1 device
 1-to-N device

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Digital Electronics
Which of the following codes is known as the 8421 code?

 ASCII code
 XS-3 code
 BCD code
 Gray code

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