Home > Electronics Mechanic > Quizzes > Electronic Mechanic Practice Test: Microcontroller (8051)
Electronic Mechanic Practice Test: Microcontroller (8051)
Fast practice, instant feedback. Timer auto-submits when time’s up.
Avg score: 73% • Most missed: “Which instruction set, the accumulator specific instructions are grouped?”
Electronic Mechanic Practice Test: Microcontroller (8051)
Time left 00:00
25 Questions

1. What is the full form of SFR used in microcontroller?
2. Which circuit uses microcontroller?
3. Which lens is fitted on the yellow light to produce green light in the traffic light control interfaced with the 8051 microcontroller?
4. Which is developed to overcome the drawback of the microprocessor?
5. What is the purpose of using divide by 12 network in 8051 microcontroller oscillator output to feed the timer?
6. Which instruction set, the accumulator specific instructions are grouped?
7. How the longer delays in basic program using timer in 8051 microcontroller is implemented?
8. What is produced by the DC motor, interfaced with 8051 microcontroller?
9. What is the Vcc supply pin number for the microcontroller IC 8051?
10. What is the name of the section that counts a predefined number of processor clock pulses, to generate a programmable delay?
11. Expand the abbreviation CISC used in microcontroller?
12. How many bits are numbered from OOH to 7FH for general-purpose addressable locations in 8051 microcontroller?
13. What is the use of microcontroller?
14. Which device protects the microcontroller from high current drawn by DC motor circuit interfaced with it?
15. What is the maximum delay possible using a single 8051-microcontroller timer running at 12 MHz frequency?
16. What is the minimum delay possible using a single 8051 microcontroller timer running at 12 MHz frequency?
17. What is the name of device marked ‘X’?
18. What is the bit length of upcounting timers in 8051 microcontroller?
19. How many instructions available in the microcontroller family instruction set?
20. How the logic operations performed by the MCS 51 family microcontroller?
21. Which chip is versatile to use from simple consumer electronics to high-end applications?
22. Which section in IC 8051 is running on external clock source?
23. Which electronic component is connected in pin number 18 and 19 of the IC 8051 microcontroller?
24. Which pin is marked as the master reset (RST) function in microcontroller IC 8051?
25. Which is the timer input frequency for the 8051 microcontroller running at 12 MHz?

⚡ 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.