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

SRM INSTITUTE OF SCIENCE AND TECHNOLOGY
(Deemed University)

DEPARTMENT OF COMPUTER SCIENCE AND ENGINEERING

ques. BANK

SUB : Microprocessor/CS201
YEAR/SEM : II/III

UNIT – I
PART - A

1. Differentiate accumulator –based and general purpose based microprocessor?
2. What is the purpose of PC?
3. Mention the 3 techniques used to program the control unit of a microprocessor?
4. Differentiate processor memory, primary or main memory and secondary memory?
5. What are the 3 ways of data transfer ranging from microprocessor and I/O devices?
6. Differentiate standard I/O Vs Memory-mapped I/O
7. What is a coprocessor?
8. Distinguish Compiler and Interpreter
9. What is an Assembler
10. Mention the 2 main function of an OS
11. What is the difference ranging from microprocessor and micro controller

PART – B

1. Explain the basic features of micro computer hardware?
2. Explain in detail about the techniques for designing memory?
3. a) Briefly discuss the microcomputer system software
b) discuss about various language programming in microcomputer with examples
4. With a neat block diagram, discuss about a typical microcomputer development
system
5. Draw the microcomputer system development flowchart and discuss the stages.


UNIT – II
PART – A

1. What is the size of data and address bus in 8085?
2. What is a program status word?
3. Give an example for direct addressing mode and explain?
4. What is the difference ranging from INRB and INX B?
5. Explain RRC instructions?
6. What is use of ALE?
7. Give examples for one-byte, two-byte and three-byte instructions?
8. What is the use of HOLD and HLDA?
9. What is an Instruction Cycle?
10. What is a Machine Cycle?
11. What is address Multiplexing?


PART – B

1. Explain with a neat block diagram the architecture of 8085
2. Draw the pin diagram of 8085 and discuss the signals
3. Draw the timing diagram for 8085 opcode fetch, memory learn and write and discuss the steps
4. Categorize the 8085 instruction set with example?
5. Write short notes on
a. 8085 addressing modes
b. 8085 instruction formats
6. Draw the functional block diagram for an 8085 based micro computer system and discuss.

UNIT – III
PART – A

1. Mention the size of data bus and address bus in 8086
2. How many memory accesses are needed for even address and odd address in 8086?
3. What is instruction prefetching?
4. What is the use of direction flag and Trace flag in 8086
5. Name the segment registers of 8086 and provide the size of every
6. Give an example for register addressing and immediate addressing
7. What is the purpose of DB and DW assembler pseudo instructions?
8. Explain how physical address is computed in 8086
9. What is the use of MN/MX pin?

Earning:   Approval pending.