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Digital Electronics

Digital Electronics
A multiplexer is a

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

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Digital Electronics
A full adder has

 3 inputs, 2 outputs
 3 inputs, 1 output
 2 inputs, 2 outputs
 2 inputs, 1 output

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Digital Electronics
2-out-of-5 code is

 alphanumeric code
 weighted code
 non-weighted code
 self-complementing code

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

 OR
 NAND
 NOR
 none of these

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Digital Electronics
The number of 1 in 8-bit representation of 127 in 2’s complement form is m and that in 1,s complement form is n. What is the value of m:n?

 1:1
 1:2
 2:3
 2:1

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Digital Electronics
Stack is also known as

 LIFO memory
 Flash memory
 FIFO memory
 LILO memory

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MORE MCQ ON Digital Electronics

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