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Digital Electronics

Digital Electronics
The output of a gate is LOW when at least one of its inputs is HIGH. This is true for

 AND
 NOR
 OR
 NAND

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Digital Electronics
A combinational circuit can be designed using only

 AND gates
 OR and X-NOR gates
 OR gates
 NOR gates

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Digital Electronics
Which of the following gates cannot be used as an inverter?

 NAND
 AND
 NOR
 X-NOR

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Digital Electronics
How many numbers are used in the decimal number system?

None of these
 1 to 10
 0 to 9
 0 to 10

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Digital Electronics
Master-slave flip flop consists of ________ flip-flop(s).

 3
 4
 1
 2

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Digital Electronics
A device which converts decimal number into BCD form is called

 decoder
 multiplexer
 encoder
 code converter

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