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Digital Electronics

Digital Electronics
A device which converts BCD into octal is called

 demultiplexer
 decoder
 encoder
 code converter

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Digital Electronics
A D-flip-flop is said to be transparent when

 the output follow input
 the output is HIGH
 the output follows clock
 the output is LOW

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

 XNOR
 XOR
 NOR
 OR

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Digital Electronics
When will be the output of an OR gate is LOW ?

 When all inputs are HIGH
 When any input is LOW
 When all input is LOW
 When any input is HIGH

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Digital Electronics
Why encoder is used in the digital electronics ?

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

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Digital Electronics
OR-AND realization of a combinational circuit is equivalent to

 NOR-NOR realization
 NAND-NAND realization
 NOR-NAND realization
 NAND-NOR realization

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MORE MCQ ON Digital Electronics

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