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Digital Electronics

Digital Electronics
What is the minimum number of 2 input NAND gates used to perform the function of 2 input OR gate

 1
 3
 2
 4

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Digital Electronics
The number of rows in the truth table of a 4-input gate is

 16
 12
 8
 4

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

Base 3
Base 16
Base 10
Base 8

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Digital Electronics
The momentary change in the output/state of the flip-flops is known as

 unstable state
 tri-state
 inverter
 trigger

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

 4
 3
 2
 1

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Digital Electronics
2-out-of-5 code is

 non-weighted code
 weighted code
 self-complementing code
 alphanumeric code

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