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Digital Electronics

Digital Electronics
What is the Boolean expression for a two-input AND gate ?

 A - B
 A.B
 A & B
 A + B

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Digital Electronics
The output of a logic gate is 0 when all its inputs are at logic 1. The gate is either

 a NOR or an X-NOR
 a NAND or an X-OR
 a NAND or an AND
 a NAND or an X-NOR

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Digital Electronics
The NOR gate is OR gate followed by ___________.

None of these
NOT gate
AND gate
NAND gate

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Digital Electronics
Which GATE IS CALLED INEQUALITY COMPARATOR?

 3. XOR
 4. NOT
 1. NOR
 2. AND

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Digital Electronics
How many output is high of NOR GATE ?

 1
 4
 3
 2

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Digital Electronics
The most suitable gate for comparing two bits is

 X-OR
 NAND
 AND
 OR

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