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Digital Electronics

Digital Electronics
Which GATE IS CALLED INEQUALITY COMPARATOR?

 3. XOR
 4. NOT
 2. AND
 1. NOR

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Digital Electronics
Which of these circuits will give yield carry with more delay 1. Carry look ahead adder 2. Ripple carry adder

 2.
 none
 both are same
 1.

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

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

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Digital Electronics
An AND gate can be imagined as

 transistors connected in series
 transistors connected in paralle
 switches connected in series
 switches connected in parallel

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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

 OR
 NAND
 NOR
 X-OR

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Digital Electronics
The logic expression A + B can be implemented by giving inputs A and B to a two-input

 X-NOR gate
 NOR gate
 X-OR gate
 NAND gate

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MORE MCQ ON Digital Electronics

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