Microprocessors - Questions
Here, you find the chapter wise questions of the Microprocessors and and also view all the questions of Microprocessors.
Short Questions
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1. Explain the operating mode 2 of 8051 serial ports?
2. Explain the operating mode0 of 8051 serial ports?
3. Explain the content of the accumulator after the execution of the following program segments?
4. Write a program using 8051 assembly language to change the data 55h stored in the lower byte of the data pointer register to AAH using rotate instruction?
5. What is an USART?
6. What is the size of ports in 8255?
7. What is the purpose of control word written to control register in 8255?
8. What is a control word?
9. List the operation modes of 8255?
10. What is the use of modem control unit in 8251?
11. What are the modes used in keyboard modes?
12. Define scan counter?
13. Give the different types of command words used in 8259A
14. What are the modes of operation used in 8253?[
15. What are the features used mode1 in 8255?
16. What is synchronous data transfer?
17. What is the various programmed data transfer method?
18. What is the use of 8051 chip?
19. What are the modes of operation used in 8253?
20. List the addressing modes of 8051?
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Questions