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Digital Electronics

Digital Electronics
A demultiplexer is a

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

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Digital Electronics
The logic expression A + B can be implemented by giving inputs A and B to a two-input

 X-NOR gate
 NOR gate
 X-OR gate
 NAND gate

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Digital Electronics
The NOR-NOR realization is equivalent to

 OR-AND realization
 OR-NOT realization
 AND-OR realization
 NOT-AND realization

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Digital Electronics
A Nibble is equal to ________ bit(s)

 8
 4
 2
 1

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Digital Electronics
Why encoder is used in the digital electronics ?

 It is used to separate address bus and data bus
None of these
 To convert coded information into non coded form
 To convert non coded information into coded form

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Digital Electronics
XNOR followed by a NOT gate is equivalant to ________ gate

 OR
 XOR
 NOR
 XNOR

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