LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

M.Sc. DEGREE EXAMINATION – COMPUTER SCIENCE

AK 17

THIRD SEMESTER – NOV 2006

CS 3875 – MICROPROCESSOR AND MICRO CONTROLLER

 

 

Date & Time : 06-11-2006/9.00-12.00   Dept. No.                                                       Max. : 100 Marks

 

 

PART A

Answer ALL the Questions                                                                          2 X 10 = 20 

 

1. List the features of 8086 Processor?
2. what is the purpose of segment register?
3. What is the use of zero flag?
4. When halt state will be enable?
5. What is base address?
6. Define batch processing?
7. What is the use of I/O ?
8. What is double Buffer?
9. Define Operation Command Word?
10. What are the advantages of Micro Controller?

 

PART B

Answer All the Questions                                                                             8 X 5 = 40

 

1.       a)  Explain 8086 pin configuration with diagram.

Or

1. Explain multi queuing processor function?

 

1.       a) Explain internal operation of computers ?

Or

1. Explain the concept of direct and indirect addressing mode.

 

1.        a)   Explain the concept of Multi Processing.

Or

1. Explain shortest job First scheduling process.

 

1.        a) Explain the advantages Interrupt routine.

Or

1. b) Write the features of Minimum mode system

1.        a) Discuss the 8051 data transfer instruction.

Or

1. b) Write about Execution of 8051 Interrupt.

 

PART C

Answer Any Two Questions                                                                        2 X 20 = 40

 

1. Explain 8086 bus Architecture with diagram?
2. Discuss various microprocessor programming Instruction formats.
3. Explain the operation of DMA and its pros and Cons with diagram.

 

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