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Digital Electronics

Digital Electronics
A half adder is a ________ circuit.

 Both A and B
 Combinational
 Sequential
 None

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

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Digital Electronics
Which of the following codes is known as the 8421 code?

 XS-3 code
 ASCII code
 BCD code
 Gray code

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Digital Electronics
The fan put of a 7400 NAND gate is

8TTL
10TTL
5TTL
2TTL

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Digital Electronics
Master-slave flip flop consists of ________ flip-flop(s).

 4
 3
 1
 2

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Digital Electronics
The NAND-NAND realization is equivalent to

 NOT-OR realization
 AND-NOT realization
 AND-OR realization
 OR-AND realization

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MORE MCQ ON Digital Electronics

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