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Digital Electronics

Digital Electronics
Which number system has a base of 16

 None
 Octal
 Hexadecimal
 Decimal

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Digital Electronics
An EPROM

All of these
 is programmable
 is of random-access type
 is non volatile

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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?

 AND
 X-OR
 X-NOR
 OR

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

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

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

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

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Digital Electronics
The difference between the diagram of a NOR and OR gate is

 OR is more oval than NOR
 OR is more squared than NOR
 OR has got a bubble at its output terminal
 NOR has got a bubble at its output terminal

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