Digital Electronics Objective Questions – Set 1

Practice the online exam questions and answers on the Digital Electronics using our quiz.

Digital Electronics Exam Questions

Digital Electronics Objective Questions

1. In the toggle mode a JK flip-flop has

A) J = 1, K = 0.
B) J = 0, K = 0.
C) J = 1, K = 1.
D) J = 0, K = 1.

2. A boolean function can be transformed into logical ________.

A) graph
B) diagram
C) map
D) matrix

3. A D-flip-flop is said to be transparent when

A) the output is HIGH
B) the output follows clock
C) the output follow input
D) the output is LOW

4. Which number system has a base of 16

A) Octal
B) Decimal
C) None
D) Hexadecimal

5. The boolean algebra is mostly based on

A) De Morgans theorem
B) De Morpans theorem
C) Standard theorem
D) Boolean theorem

6. If J = K (J and K are shorted) in a JK flip-flop, what circuit is made

A) K flip-flop
B) Shorted JK flip-flop
C) T flip-flop
D) SR flip-flop

7. In a T flip-flop no of input circuit is

A) 2
B) 4
C) 3
D) 1

8. A Binary number system has how many digits.

A) 1
B) 10
C) 0
D) 2

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

A) 9
B) 6
C) 3
D) 8

10. In an SR latch built from NOR gates, which condition is not allowed

A) S=1, R=1
B) S=0, R=1
C) S=1, R=0
D) S=0, R=0

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Digital Electronics Objective Questions - Set 1

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