microprocessor previous question papers for diploma

C05-CM-404

459

BOARD DIPLOMA EXAMINATION, (C-05)

OCT/NOV-2011

DCME IV SEMESTER EXAMINATION

MICROPROCESSOR

Time : 3 Hours]                                                               [Total Marks: 100

PART-A    10*4=40

Instructions: (1) Answer all questions and each question caries four marks. (2) Answers should be brief and straight to t the point and shall not exceed five simple sentences.

1.    Define the concept of multiplexing in microprocessor.

2.    Draw flag register of 8086

3.    Draw the diagram of DRAM.

4.    Define the instruction execution time.

5.    List the sources of interrupt in 8086

6.    Define procedure of macro’s

7.    Define DMA data transfer.

8.    What do you mean by “parallel Data communication”?

9.    Write any four features of Pentium-IV

10. Differentiate between real mode and protected virtual addressing modes

PART-B                                              5*12=60

Instructions: (1) Answer any five questions and each question caries twelve marks. (2) The Answers should be comprehensive and criteria for valuation is the Content but not the length of the answer.

11. Draw and explain the functional block diagram of 8086

12. (a) explain the types of instruction formats. (b) classify the semiconductor memory

13.  (a) explain any six processor/machine control instructions (b) explain the concept of interfacing SRAM and EPROM.

14. (a) explain the levels of programming. (b) explain the classification of interrupts

15. Draw and explain the interfacing of 8259A with 8086

16. Draw and explain the functional block diagram of 8251A- USART.

17. Draw and explain the architecture of 80386 Microprocessor.

18. Draw and explain the architecture of 80486 Microprocessor

C-09-CM-405

3455

BOARD DIPLOMA EXAMINATION, (C-09)

OCTOBER/NOVEMBER-2011

DCM IV SEMESTER EXAMINATION

MICROPROCESSORS

Time : 3 Hours]                                                               [Total Marks: 80

PART-A    3*10=30

Instructions: (1) Answer all questions and each question caries three marks. (2) Answers should be brief and straight to t the point and shall not exceed five simple sentences.

1.     What is bus cycle? List bus cycles of 8086.

2.     What is microprocessor and state it’s importance.

3.     State the use of Assembler and debugger

4.     List the addressing modes of 8086

5.     What is interrupt? List the interrupts of 8086

6.     What is parameter passing in procedures

7.     State the need of call instruction

8.     Explain the serial data communication in microcomputer

9.     State the features of keyboard / display controller (8279)

10. List any six features of 80386

PART-B                                              10*5=50

Instructions: (1) Answer any five questions and each question caries ten marks. (2) The Answers should be comprehensive and criteria for valuation is the Content but not the length of the answer.

11. Explain any five logic instructions of 8086 with examples

12. Explain any five control transfer (branch) instructions of 8086 with examples

13. Explain the working of interrupt controller(8259) with block diagram.

14. Write an assembly language program to move a block of ‘N’ 8-bit numbers starting at location SOURCE to another memory area starting at DEST.

15. Explain the working of programmable peripheral interface (8255) with block diagram.

16. Explain the working of DMA controller (8257) with block diagram

17. Explain the internal block diagram of Pentium IV processor.

18.  (a) explain the function of code segment, extra segment, and DX registers.(b) write an 8086 program to ad two 16-bit numbers in CS and DX and store the result in location 0500H addressed by DI.

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3454

BOARD   DIPLOMA   EXAMINATION,   (C-09)

OCTOER/NOVEMBER 2011

D.E.C.E   -   IV SEMISTER EXAMINATION

MICROPROCESSORS

TIME: 3 Hours]                                                                     [Total Marks :80]

PART   - A                                          10*4=80

Instruction:  (1) answer all question and each question

                                           carries THREE marks

                    (2)  answer should be brief and   straight      to  the point and shall not exceed five simple sentences

1.      Define micro and macro operation.

2.      Draw the block diagram of digital computer.

3.      List the segment registers and write their use.

4.      Write the need of bus control logic

5.      List different types of Interrupte of 8086

6.      Write an assembly language to find the two’s compliment of an 8-bit number available at NUM and store the result at COMP.

7.      Describe any three assembly directives of 8086 briefly.

8.      Write the procedure for executing an assembly language program with an assembler.

9.      Write any three feature of RISC processors.

10.  List any size features of 80286  

PART- B                                    5*10=60

Instructions: (1) Answer any five questions and each question carries ten marks. (2) The answers should be comprehensive and the criteria for valuation is the content but not the length of the answer.

  

11.   Explain: (i) associative memory and (ii) memory interleaving

12.   (a) explain the instruction format.                       (b) explain zero address, one address, tow address instruction with one example each.

13.   (a) write any five differences between 8 bit and 16 bit microprocessors. (b) describe the maximum and minimum mode of operation of 8086.

14.   Explain about general purpose registers, instruction register, instruction pointer, pointer and index registers.

15.   Explain about two instructions in each of the following: (a) data transfer group (b) arithmetic group (c)Logic group (d) Control transfer group (e) String manipulation group

16.   (a) describe the use of (i) Assembler (ii) debugger    (b) write an assembly language program that shows the use of parameter passing.

17.   Explain the architecture of 80386 with neat diagram.

Write any five differences among 80286, 80386, 80486 and Pentium.

C05-CM-405

3455

BOARD DIPLOMA EXAMINATION, (C-09)

APRIL/MAY-2012

DCME IV SEMESTER EXAMINATION

MICROPROCESSORS

Time : 3 Hours]                                                               [Total Marks: 80

PART-A    10*3=30

Instructions: (1) Answer all questions and each question caries THREE marks. (2) Answers should be brief and straight to t the point and shall not exceed five simple sentences.

1.    What is Microprocessor and its importance.

2.    Explain about RESET, Ready and TEST pins of 8086.

3.    State any three assembler directives.

4.    Explain MOV and push instructions

5.    Write an assembly language program to add two 16 bit numbers with identifiers NUM1, NUM2 and store the 16 bit result at NUM3.

6.    What is an interrupt?

7.    What is parameter passing in procedures?

8.    State the features of keyboard / Display controller(8279)

9.    Write the features of DMA controller (8257).

10. List any six features of 80486

PART-B                                              5*10=50

Instructions: (1) Answer any five questions and each question caries twelve marks. (2) The Answers should be comprehensive and criteria for valuation is the Content but not the length of the answer.

11. Explain addressing modes of 8086.

12. Explain any five instructions that affect flags of 8086

13. Explain  the working of interrupt controller (8259) with block diagram.

14. What is a subroutine? Explain about CALL and RETURN Instructions.

15. Explain the working of Programmable peripheral interface (8255) with block diagram.

16. Explain the working of USART (8251) with block diagram.

17. Explain the internal block diagram of Pentium IV Processor.

18. (a) Explain the calculation memory address in 8086. (b) write an 8086 program to find the average of five 16 bit numbers.

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