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Digital Electronics

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

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

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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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Digital Electronics
The output of a logic gate is 1 when all its inputs are at logic 1. The gate is either

 an OR or an X-OR
 a NAND or a NOR
 an AND or an OR
 an AND or a NOR

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Digital Electronics
In the boolean algebra, a variable has ________ different state(s)/value(s).

 2
 3
 1
 4

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Digital Electronics
The most suitable gate for comparing two bits is

 AND
 X-OR
 OR
 NAND

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Digital Electronics
A multiplexer is a combinational logic circuit used to perform the operation

 NOR-OR
 AND-AND
 AND-OR
 XOR-NAND

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