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Digital Electronics

Digital Electronics
Number of 2 input multiplexers need to construct a 210 inputs multiplexer is _________

 9
 32
 1023
 129

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Digital Electronics
In Boolean algebra, the bar sign (-) indicates ___________.

AND operation
None of these
NOT operation
OR operation

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Digital Electronics
For checking the parity of a digital word, it is preferable to use

 NAND gates
 X-OR gates
 NOR gates
 AND gates

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Digital Electronics
The number 10000 would appear just immediately after

All of these
7777 (octal)
FFFF (hex)
1111 (binary)

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Digital Electronics
In which of the following base systems is 123 not a valid number?

Base 8
Base 3
Base 16
Base 10

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Digital Electronics
The set of which logic gates is designated as universal gate?

  NOR , NAND.
 XNOR, NOR, NAND.
 XNOR, NOR, NAND.
 NOT, OR , AND.

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