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

## Digital Electronics Exam 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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All 30 questions and answers are available in the Quiz.

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**Take All Tests :**

- Digital Electronics Quiz – Set 1
- Digital Electronics Quiz – Set 2
- Digital Electronics Quiz – Set 3
- Digital Electronics Quiz – Set 4
- Digital Electronics Quiz – Set 5
- Digital Electronics Quiz – Set 6
- Digital Electronics Quiz – Set 7
- Digital Electronics Quiz – Set 8
- Digital Electronics Quiz – Set 9
- Digital Electronics Quiz – Set 10
- Digital Electronics Quiz – Set 11

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