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Digital Electronics

Digital Electronics
A three-state buffer has the following output states

 High, Low, Float
 Set, Reset, Halt
 Both A and B
 1, 0, float

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Digital Electronics
1’s complement of 17 is

  01110.
 10001.
 11100.
 10111.

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Digital Electronics
In an SR latch built from NOR gates, which condition is not allowed

 S=1, R=0
 S=1, R=1
 S=0, R=1
 S=0, R=0

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Digital Electronics
An exclusive NOR gate is logically equivalent to

 NOT gate followed by a NOR gate
 X-OR gate followed by an inverter
 inverter followed by an X-OR gate
 complement of a NOR gate

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Digital Electronics
A graphical representation of a products in a truth table is called as

 Graphing
 K-Map
 Mapping
 T-Map

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Digital Electronics
An AND gate will function as OR if

All the inputs and outputs are complemente'
Either of the inputs is “1”
All the inputs are ‘0’
All the inputs to the gates are “1”

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