Exam Details
| Subject | Microprocessor | |
| Paper | ||
| Exam / Course | B.Tech In Computer Science And Engineering (BTCSVI) | |
| Department | School of Engineering & Technology (SOET) | |
| Organization | indira gandhi national open university | |
| Position | ||
| Exam Date | June, 2016 | |
| City, State | new delhi, |
Question Paper
No. of Printed Pages 2 IBICS-OI2 I
B.Tech. -VIEP -COMPUTER SCIENCE AND
ENGINEERING (BTCSVI)
Term-End Examination
June, 2016
BICS-012 MICROPROCESSOR
Time: 3 hours Maximum Marks: 70
Note: Attempt any seven questions. Each question carries equal marks. Question no. 1 is compulsory.
1. What is memory segmentation?
Explain the modes of operation of8086.
What is the purpose of INCLUDE directives?
Distinguish amongst 'Short 'Near Jump' and 'Far Jump'.
What are the important points to be considered in memory interfacing? 5x2=10
2. Explain the different types of registers in 8086 microprocessor architecture, in detail. 10
3. Describe the series of actions that a DNA controller will perform after it receives a request from a peripheral device to transfer data from the peripheral device to memory with the help of a timing diagram. 10
4. Briefly describe the function of 8255, 8251A and 8279 devices in the SDK-86 microcomputer system. 10
5. Draw and explain the pin diagram of 8086. 5
With a timing diagram, explain the activities of HOLD and HLDA pins of 8086. 5
6. What do you mean by bus demultiplexing and buffering in 8086 5
Explain 8086 maximum mode operation with a suitable diagram. 5
7. With a neat block diagram, explain the working of 8255A. Also explain the various modes of 8255A. 10
8. Discuss the upgradations in a Pentium processor over 80486 microprocessor. 10
9. Describe the main advantages of multiprogramming system over uniprogramming system. 5
What do you mean by hardware and software interrupts 5
10. Write short notes on any two of the following: 2x5=10
8254 as a counter
GDTR and LDTR in reference to 80386
Assembler
B.Tech. -VIEP -COMPUTER SCIENCE AND
ENGINEERING (BTCSVI)
Term-End Examination
June, 2016
BICS-012 MICROPROCESSOR
Time: 3 hours Maximum Marks: 70
Note: Attempt any seven questions. Each question carries equal marks. Question no. 1 is compulsory.
1. What is memory segmentation?
Explain the modes of operation of8086.
What is the purpose of INCLUDE directives?
Distinguish amongst 'Short 'Near Jump' and 'Far Jump'.
What are the important points to be considered in memory interfacing? 5x2=10
2. Explain the different types of registers in 8086 microprocessor architecture, in detail. 10
3. Describe the series of actions that a DNA controller will perform after it receives a request from a peripheral device to transfer data from the peripheral device to memory with the help of a timing diagram. 10
4. Briefly describe the function of 8255, 8251A and 8279 devices in the SDK-86 microcomputer system. 10
5. Draw and explain the pin diagram of 8086. 5
With a timing diagram, explain the activities of HOLD and HLDA pins of 8086. 5
6. What do you mean by bus demultiplexing and buffering in 8086 5
Explain 8086 maximum mode operation with a suitable diagram. 5
7. With a neat block diagram, explain the working of 8255A. Also explain the various modes of 8255A. 10
8. Discuss the upgradations in a Pentium processor over 80486 microprocessor. 10
9. Describe the main advantages of multiprogramming system over uniprogramming system. 5
What do you mean by hardware and software interrupts 5
10. Write short notes on any two of the following: 2x5=10
8254 as a counter
GDTR and LDTR in reference to 80386
Assembler
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