SRM University 2007 B.Tech Computer Science and Engineering BANK : Microprocessor/CS201 - Question Paper

10. What is implied addressing mode?
11. Explain the direct and indirect port addressing mode
12. What are predefined interrupts?
13. Differentiate hardware and software interrupts


PART – B

1. With a neat diagram discuss the architecture of 8086
2. Write briefly about the purpose of every segment register. discuss how the physical address is computed
3. Explain in detail about various addressing modes of 8086
4. Explain in detail about 8086 instructions formats
5. Briefly discuss the pin details and signals of 8086
6. Explain about 8086 interrupts system

UNIT-IV

PART-A

1. Identify the basic differences ranging from 8086 and 80186 microprocessors.
2. What are the additional features of 80186 compared to 8086?
3. What is the purpose of relocation register in the 80186 peripheral control blocks?
4. What is the relationship ranging from internal and external clocks of the 80186?
5. How much physical and virtual memory can the 80286 address?
6. What is the difference ranging from the 80286 real address mode and PVAM?
7. What is the purpose of 80286 CAP,COD/INTA pins?
8. What are the basic differences ranging from the 80386 real, protected, and virtual 8086 modes?
9. Compare the features of the 80386 with those of the 80286 from the subsequent point of view: registers, clock rate, number of pins, number of instructions, modes of operation, memory management and protection mechanism.
10. What are the pins used for interfacing 80286 to a coprocessor?
11. What is meant by the 80286 task state segment for every active task? How can this be accessed?
12. Discuss the basic differences ranging from 80286 and 80386 descriptors.
13. How many bits are needed for the address in real and protected modes?
14. Discuss briefly the 80386 segmentation unit.
15. What is the four-level hierarchical protection in protected mode?
16. Contrast the Pentium and Pentium pro with the 80386 and 80486 microprocessors.
17. Write the basic differences ranging from Pentium II, Pentium III and Pentium IV.
18. What is the use of NA, ADS and BRDY signals in the Pentium processors?
19. Define the purpose of every 80386 debug register.
20. What is scaled index addressing?
21. What are the data kinds supported by 80286?




PART-B

1. Describe the functional units of 80186 with its neat functional block diagram.
2. Explain in detail the 80286 memory management features and task switching.
3. Draw the internal block diagram of 80286 and discuss in detail.

Earning:   Approval pending.