MICROPROCESSOR BASICS QUESTIONS

.    Draw Flag register of 8086

 

2.    List some of the Assembler directives

 

3.    What are the interrupts that have highest priority in external and internal interrupts

 

4.    What are the methods of interfacing general I/O devices

 

5.    What is the basic operation of DMA

 

6.    What is the function of ISR

 

7.    What are different operating mode of 8259

 

8.    what are 80286 supported data types

 

9.    What is the main difference between segmentation and paging

 

10.  What is MMI?

 

11.  Write about NMI pin in 8086

 

12.  What are the four segment registers?

 

13.  Write an example for Relative Based Indexed addressing mode

 

14.  What are the directives used for defining MACROS

 

15.  Write about special functions registers

 

16.  Write some of the control registers

 

17.  Write the formula for calculating an angle ‘x’ while interfacing a stepper motor

 

18.  What is the function of 8251 USART?

 

19.  What are the types of bit manipulation instructions?

 

20.  Write about virtual mode flag in 80386

 

21.  List some of the flag manipulation instructions

 

22.  Give the format of PCON registers

 

23.  What is the difference of 8088 w.r.t 8086 processor in architecture? 

 

24.  What is MMX and why it is introduced

 

      25. What are methods of data communication?