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Digital Electronics

Digital Electronics
1 kb represents

 1024 bytes
 100 bytes
 10,000 bytes
 1000 bytes

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Digital Electronics
Switching circuits are

 hybrid circuits
 none of these
 analog circuits
 digital circuits

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Digital Electronics
The maximum positive and negative numbers that can be represented in one’s complement using n-bits are respectively

 +2n-1,-(2n-1-1)
 +(2n-1-1),-2n-1
 None of these
 +(2n-1-1),-(2n-1-1)

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Digital Electronics
What is the logic which controls a stair case light associated with two switches A and B located at the bottom and top of the stair case respectively?

 OR
 AND
 X-OR
 X-NOR

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Digital Electronics
An AND gate can be imagined as

 transistors connected in series
 switches connected in parallel
 switches connected in series
 transistors connected in paralle

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Digital Electronics
A demultiplexer is a

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

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