My Profile
Active Members
TodayLast 7 Days
more...
Awards & Gifts
Online Exams
Fresher Jobs
Our fresher job section is exclusively for fresh graduates! Find jobs for freshers in major Indian
cities including Bangalore, Chennai, Hyderabad, Pune or Kochi
Resources
Find educational articles, blogs, discussion threads and other resources.
Colleges
Find details about any college in India or search for courses.
|
Download Model question papers & previous years question papers
|
Posted By: jegadesh Member Level: Gold Posted Date: 09 Dec 2007
|
2007 Anna University B.E Computer Science CS1304 – MICROPROCESSORS AND MICROCONTROLLERS Question paper
B.E/B.TECH.DEGREE EXAMINATION, MAY/JUNE 2007.
Fifth Semester
Computer Science and Engineering
CS1304 – MICROPROCESSORS AND MICROCONTROLLERS
(Regulation 2004)
Time: Three hours Maximum: 100 marks
Answer ALL questions
PART A – (10 ´ 2 = 20 marks)
1. How address and data lines are demultiplexed in 8085?
2. What is the function performed by SIM instruction in 8085?
3. What is pipelined architecture?
4. How the interrupts can be masked/unmasked in 8086?
5. What are the signals involved in memory bank selection in 8086
micro processor?
6. How clock signal is generated n 8086? What is the maximum internal clock
frequency of 8086?
7. What is the function of gate signal in 8254 timer?
8. Write the format of KW1 in 8259.
9. List the interrupts of 8051 micro controller.
10. What are register banks in 8051 microcontroller?
PART B – (5 ´ 16 = 80 marks)
11. (a) (i) Explain the various logical and arithmetic instructions available in 8085
microprocessor. (10)
(ii) Explain the function of various flags of 8085 microprocessor (6)
Or
(b) (i) Differentiate between I/O mapped I/O and memory mapped I/O. (6)
(ii) Write an 8085 assembly language program to convert 8 bit binary to
ASCII code. (10)
12. (a) (i) Describe the action taken by 8086 when INTR pin is activated. (6)
(ii) Write an assembly language program in 8086j to search the largest data in
an array. (10)
Or
(b) (i) Discuss the various addressing modes of 80896 microprocessor. (10)
(ii) Explain the following assembler directives used in 8086
(1) ASSUME
(2) EQU
(3) DW (8)
13. (a) (i) Explain in detail about memory access mechanism in 8086 (8)
(ii) Explain the function of following 8086 signals.
(1) HLDA
(2) RQ/GTO
(3) DEN
(4) ALE. (8)
Or
(b) (i) Draw and explain a block diagram showing 8086 in maximum mode
configuration. (12)
(ii) What are the advantages of the multiprocessor systems? (4)
14. (a) (i) With the help of block diagram explain the operation of USART (8251A)
(10)
(ii) Discuss the salient features of 8259 – programmable interrupt controller.
(6)
Or
(b) (i) Describe the various modes of operations in 8253 programmable interval
Timer. (8)
(ii) Explain the operation of DMA controller (8237).
15. (a) With a suitable block diagram, explain the architecture of 8051 microcontroller.
(16)
Or
(b) Discuss in detail about 8051 based stepper motor control along with necessary
hardware and software. (16)
Return to question paper search
|
|
|
Submit Previous Years University Question Papers and make money from adsense revenue sharing program
Are you preparing for a university examination? Download model question papers
and practise before you write the exam.
|
Watch TV Channels
|