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Digital Electronics

Digital Electronics
The inputs of a NAND gate are connected together. The resulting circuit is ___________.

AND gate
OR gate
NOT gate
None of these

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Digital Electronics
Logic circuits are

 hybrid circuits
 digital circuits
 none of these
 analog circuits

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Digital Electronics
When will be the output of an AND gate is HIGH if there are three inputs, A, B, and C ?

 A = 1, B = 1, C = 0
 A = 1, B = 1, C = 1
 A = 0, B = 0, C = 0
 A = 1, B = 0, C = 1

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Digital Electronics
Minimization of logical expressions while designing digital systems helps in reducing

 space requirements
 power requirements
All of these
 cost

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Digital Electronics
The voltage levels for positive logic system

 must necessarily be positive
 may be positive or negative
 must necessarily be negative
 must necessarily be 0 V and 5 V

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

Base 10
Base 16
Base 8
Base 3

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