Home > Electronics Mechanic > Quizzes > Electronics Mechanic Practice Test: Display Devices
Electronics Mechanic Practice Test: Display Devices
Fast practice, instant feedback. Timer auto-submits when time’s up.
Avg score: 79% • Most missed: “Which of the following is not a type of multiplexing?”
Electronics Mechanic Practice Test: Display Devices
Time left 00:00
25 Questions

1. How the pin number of seven segment display device is marked?
2. For the display of decimal digits, the seven segments ___________should receive logic 1
3. When the LED of a Common Cathode 7 Segment Display is switched on?
4. The minimum operating voltage of LCD panel may-
5. What is the full name of CRT
6. What is the full form of LCD?
7. Which of the following is not a type of Digital Panel Meter?
8. LCD is made by -
9. Which of the following LCD modules is used most commonly?
10. What causes the change in light angle passing through the molecules of liquid crystal display?
11. What is the form of the input data in a 7 Segment Display?
12. Which type of seven segment display, all the 8 anodes are left free?
13. What is the required current to glow the LED in each segment of seven segment display device?
14. Which of the following ICs is often used for active output?
15. What is the Maximum Voltage and Sink Current of IC 74248?
16. ± 1999 indicates the ____________ in 3 ½ display.
17. All seven segment should lit for the display of digit-
18. In which display, all cathode connections of LED segments are joined together to logic ‘0’ or ‘ground’?
19. Which of the following is an output device?
20. Which IC is used in the LCD digital panel meter?
21. Which IC is used to convert 4 bit binary coded decimal into 8 bit seven segment data ?
22. IC 7446 is a decoder/driver IC which is used for driving –
23. 7106 is __________LCD display.
24. Which IC is used on the BCD to 7 segment decoder in the display circuit?
25. In seven segment display system ,the decimal point is displayed-

⚡ Recently practiced quizzes in this topic
Live quiz activity
Electronic Mechanic Practice Test: Basic Gates, Combinational Circuits, Flip-flops Electronic Mechanic Practice Test: MOSFET & IGBT Electronic Mechanic Practice Test: Electronic Circuit Simulator Electronic Mechanic Practice Test: Basic SMD Electronics Mechanic Practice Test: Cathode Ray Oscilloscope Electronic Mechanic Practice Test: Electronic Cables and Connectors Electronics Mechanic Practice Test: Modulation And Detection Electronic Mechanic Practice Test: Communication Electronics
 
❤ If you liked Fatskills, consider supporting us by checking out The Life Manuals You Never Got.

🌈  Our mission is to help improve your scores in any subject and exam withonline quizzes, practice tests, study guides, & advice for students. Since 2018.
About | Explore | User Guide | Topics | Subjects | Doubt Solver | Career Aptitude Test | Answers | Free Tools | OSHA Basics Quiz | What Should We Know?
Privacy | Terms |
Without work one finishes nothing. - Ralph Waldo Emerson
© 2026 Fatskills.com

All trademarks, logos and brand names are the property of their respective owners. All company, product and service names used in this website are for identification purposes only. Use of these names, trademarks and brands does not imply endorsement.