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Digital Electronics

Digital Electronics
(44)8 in BCD 8421 code is

 00110110
 00100100
 01000100
 01100011

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Digital Electronics
The time required for a gate to change its output is called as

 run time
 propagation time
 Decay time
 start time

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Digital Electronics
To add two m-bit numbers, the required number of half adder is

 2m+1
 2m-1
 2m
 2m-1

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Digital Electronics
How many input and output required for multiplexer ?

 One input and many output
None of these
 Many input and one output
 One input and one output

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Digital Electronics
In decimal number system what is MSD

 First digit from left to right
 First digit from right to left
 Middle digit
 Mean of all digits

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Digital Electronics
The output of a NAND gate is low

 only when at least one input is high
 only when all the inputs are high
 only when all the inputs are low
 only when at least one input is low

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