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Digital Electronics

Digital Electronics
What logic function is produced by adding an inverter to each input and output of an AND gate?

 OR
 X-OR
 NOR
 NAND

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Digital Electronics
How many entries will be in the truth table of a 3 input NAND gate ?

 3
 9
 8
 6

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Digital Electronics
The address bus with a ROM of size 1024 × 8 bits is

 8 bits
 12 bits
 16 bits
 10 bits

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Digital Electronics
A device which converts decimal number into BCD form is called

 decoder
 multiplexer
 code converter
 encoder

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Digital Electronics
The output of a gate is LOW if and only if all its inputs are HIGH. It is true for

 NOR
 X-NOR
 AND
 NAND

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Digital Electronics
The most suitable gate to check whether the number of 1s in a digital word is even or odd is

 NAND
 AND, OR, and NOT
 X-OR
 NOR

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MORE MCQ ON Digital Electronics

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