Inst ToolsInst ToolsInst Tools
  • Courses
  • Automation
    • PLC
    • Control System
    • Safety System
    • Communication
    • Fire & Gas System
  • Instrumentation
    • Design
    • Pressure
    • Temperature
    • Flow
    • Level
    • Vibration
    • Analyzer
    • Control Valve
    • Switch
    • Calibration
    • Erection & Commissioning
  • Interview
    • Instrumentation
    • Electrical
    • Electronics
    • Practical
  • Q&A
    • Instrumentation
    • Control System
    • Electrical
    • Electronics
    • Analog Electronics
    • Digital Electronics
    • Power Electronics
    • Microprocessor
Search
  • Books
  • Software
  • Projects
  • Process
  • Tools
  • Basics
  • Formula
  • Power Plant
  • Root Cause Analysis
  • Electrical Basics
  • Animation
  • Standards
  • 4-20 mA Course
  • Siemens PLC Course
Reading: Digital Electronics Objective Questions – Set 4
Share
Notification Show More
Font ResizerAa
Inst ToolsInst Tools
Font ResizerAa
  • Courses
  • Design
  • PLC
  • Interview
  • Control System
Search
  • Courses
  • Automation
    • PLC
    • Control System
    • Safety System
    • Communication
    • Fire & Gas System
  • Instrumentation
    • Design
    • Pressure
    • Temperature
    • Flow
    • Level
    • Vibration
    • Analyzer
    • Control Valve
    • Switch
    • Calibration
    • Erection & Commissioning
  • Interview
    • Instrumentation
    • Electrical
    • Electronics
    • Practical
  • Q&A
    • Instrumentation
    • Control System
    • Electrical
    • Electronics
    • Analog Electronics
    • Digital Electronics
    • Power Electronics
    • Microprocessor
Follow US
All rights reserved. Reproduction in whole or in part without written permission is prohibited.
Inst Tools > Blog > Digital Electronics MCQ > Digital Electronics Objective Questions – Set 4

Digital Electronics Objective Questions – Set 4

Here is the online Test questions and answers on digital electronics subject with explanation.

Last updated: November 3, 2020 2:24 pm
Editorial Staff
Digital Electronics MCQ
1 Comment
Share
3 Min Read
SHARE

Here is the online Test questions and answers on digital electronics subject with explanation.

Online Test on Digital Electronics

Digital Electronics Objective Questions

1. A full adder has

A) 2 inputs, 1 output
B) 3 inputs, 2 outputs
C) 3 inputs, 1 output
D) 2 inputs, 2 outputs

2. The main equation for a D flip flop is

A) Q=0
B) Q=1
C) Q=D’
D) Q=D

3. The state of a flip-flop can be switched by changing its ________ signals.

A) triggering
B) input
C) clearing
D) output

4. Number of 2 input multiplexers need to construct a 210 inputs multiplexer is _________

A) 129
B) 9
C) 1023
D) 32

5. Odd parity of a bit stream can be tested using ________ gate.

A) AND
B) OR
C) XOR
D) NOR

6. For 4 bit parallel addition, we need ________ half adder(s) and ________ full adder(s)

A) 0 and 3
B) 0 and 4
C) 1 and 3
D) 1 and 4

7. A half adder has

A) 2 inputs and 1 outputs
B) 2 inputs and 2 output
C) 1 input and 2 outputs
D) 1 input and 1 output

8. A graphical representation of a products in a truth table is called as

A) Mapping
B) K-Map
C) Graphing
D) T-Map

9. The momentary change in the output/state of the flip-flops is known as

A) trigger
B) tri-state
C) inverter
D) unstable state

10. Simplified form of the function f = (x+y+xy)(x+z)

A) x+xyz
B) x+y
C) y+xz
D) x+yz

Click on the below button to launch the Quiz.

All 30 questions and answers are available in the Quiz.

Instrumentation Quiz

Share your answers with us through the below comments section.

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
Don't Miss Our Updates
Be the first to get exclusive content straight to your email.
We promise not to spam you. You can unsubscribe at any time.
Invalid email address
You've successfully subscribed !

Continue Reading

Read Only Memory (ROM) Objective Questions – Part 2
Digital Electronics Objective Questions – Set 2
BCD Adder Objective Questions
BiCMOS Logic Circuits Objective Questions
Binary Coded Decimal (BCD) Objective Questions
Counter IC Objective Questions
Share This Article
Facebook Whatsapp Whatsapp LinkedIn Copy Link
Share
1 Comment
  • Aishwarya Parasram Atkari says:
    April 17, 2020 at 1:51 pm

    Interesting question

    Reply

Leave a Reply Cancel reply

Your email address will not be published. Required fields are marked *

Stay Connected

128.3kFollowersLike
69.1kFollowersFollow
208kSubscribersSubscribe
38kFollowersFollow

Categories

Explore More

Design of Combinational Circuits Objective Questions
1’s, 2’s, 9’s & 10’s Complements Multiple Choice Questions
Read Only Memory (ROM) Objective Questions – Part 3
Memory Devices Objective Questions – Part 4
Programmable Read Only Memory Objective Questions – Part 2
Fast Adder & Serial Adder Objective Questions – Part 1
Design a flip-flop using other flip-flops Questions
Half Subtractor and Full Subtractor Objective Questions

Keep Learning

Digital Electronics Objective Questions

Digital Electronics Objective Questions – Set 3

Digital Electronics Multiple Choice Questions

Master-Slave Flip-Flops Objective Questions

Digital Electronics Multiple Choice Questions

Parity Generators Objective Questions

Digital Electronics Multiple Choice Questions

Compatibility Objective Questions

Digital Electronics Multiple Choice Questions

Random Access Memory Objective Questions – Part 2

Digital Electronics Multiple Choice Questions

Registers Objective Questions

Digital Electronics Multiple Choice Questions

Counters Objective Questions

Digital Electronics Multiple Choice Questions

Number Systems Objective Questions

Learn More

Electrical Machines Questions and Answers

Electrical Machines Losses, Efficiency and Regulation Questions

Turbine Flow meter calibration

Turbine Flow Meter Calibration

Turbidity Sensor Calibration Procedure

Turbidity Sensor Calibration Procedure

Variable Speed Control of Propulsion Motor for VSI and CSI type Frequency Converters

Speed Control of Ship Electrical Motor Propulsion

Advances in Control System

Fuzzy Logic Control

solenoid-valves-types-principle-animation

Solenoid Valves Types, Principle & Animation

Metric Prefixes and Unit Conversions

Metric Prefixes and Unit Conversions

DP Transmitter Level Measurement for Closed Tank Wet leg Method

DP Transmitter Dry Leg & Wet Leg Calculations

Follow US
All rights reserved. Reproduction in whole or in part without written permission is prohibited.
Welcome Back!

Sign in to your account

Username or Email Address
Password

Lost your password?