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Digital Electronics

Digital Electronics
An any or all gate is the other name of

 AND gate
 X-OR gate
 X-NOR gate
 OR gate

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Digital Electronics
The code used in digital systems to represent decimal digits, letters, and other special characters such as + , – , . , * , etc. is

 hexadecimal
 ASCII
 natural BCD
 octal

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Digital Electronics
8421 code is

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

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Digital Electronics
X + X.Y = ?

 1
 0
 X
 Y

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Digital Electronics
The output of a gate is HIGH when at least one of its inputs is LOW. It is true for

 NOR
 X-OR
 NAND
 OR

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Digital Electronics
Why small bubble is given on the output of the NAND gate symbol ?

 Open collector output
 Output is inverted
None of these
 Tristate

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MORE MCQ ON Digital Electronics

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