Microcontroller and Embedded System
Question Bank
Unit-I
1. What do you mean by Microcontrollers? Give a brief classification of microcontrollers. Write
its applications.
2. Explain the concept of Interfacing with microcontrollers with the help of a suitable example.
3. Discuss the operating principle of Stepper motor interfacing and how it is different from DAC
interfacing.
4. Draw and explain the ADC interfacing with 8051.
5. Draw and explain the pin diagram of RS 232.
6. Explain the working of the 8051 serial communication system and serial communication
modes.
7. Write a step to program 8051 to receive serial data.
8. Explain the 8051-based data acquisition system.
9. Describe the timer and counter function in 8051.
10. Write a short note on RS-232.
Unit-II
11. Give a brief introduction of a 16-bit microcontroller with a suitable example.
12. Draw and explain a functional block diagram of 8096.
13. Write and explain some of the instruction sets of 8096.
14. Write and explain some of the addressing modes of 8096.
15. Explain the i/o port of 8096.
16. Memory mapping of 8096
Unit-III
17. What is a design matrix? Explain the design matrix of the embedded system.
18. Types of processors used in embedded systems.
19. Define Embedded system. Compare it with the general computing system. Also, Write some
of its applications.
20. Explain the differences between the embedded system and the general computing system.
21. Give a brief classification of embedded systems. Discuss its characteristics and quality
attributes.
22. What is the use of a processor in an Embedded system? Explain. Give a brief classification of
the processor.
Unit-IV
23. Give a brief introduction to Von Neumann V/s Harvard Architecture.
24. Explain some of the differences between the RISC and CISC.
25. Explain the operating principle of DSP processors with its applications in embedded systems.
26. Write short notes on ARM
27. Write short notes on DSP IC
Unit-V
28. Draw and Explain the Functional block diagram of the interrupt controller.
29. What are the different modes of keyboard controllers?
30. Explain the Timer and counters.
31. Write short notes on:
a) PWM
b) Real Time Clock
c) Watchdog Timers
d) Analog to Digital converter
