LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034
M.Sc. DEGREE EXAMINATION – COMPUTER SCIENCE
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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
- List the features of 8086 Processor?
- what is the purpose of segment register?
- What is the use of zero flag?
- When halt state will be enable?
- What is base address?
- Define batch processing?
- What is the use of I/O ?
- What is double Buffer?
- Define Operation Command Word?
- What are the advantages of Micro Controller?
PART B
Answer All the Questions 8 X 5 = 40
- a) Explain 8086 pin configuration with diagram.
Or
- Explain multi queuing processor function?
- a) Explain internal operation of computers ?
Or
- Explain the concept of direct and indirect addressing mode.
- a) Explain the concept of Multi Processing.
Or
- Explain shortest job First scheduling process.
- a) Explain the advantages Interrupt routine.
Or
- b) Write the features of Minimum mode system
- a) Discuss the 8051 data transfer instruction.
Or
- b) Write about Execution of 8051 Interrupt.
PART C
Answer Any Two Questions 2 X 20 = 40
- Explain 8086 bus Architecture with diagram?
- Discuss various microprocessor programming Instruction formats.
- Explain the operation of DMA and its pros and Cons with diagram.