TN Engg Updates: March 2013

Sunday, 31 March 2013

Anna Univ Update for Re-Opening Date, Re Schedule of May/June 2013 Time Table U.G / P.G

Anna University released exam schedule on March 20th 2013 for Even Semester Examinations ( 2nd , 4th, 6th, 8th Semester ) U.G and then for P.G – MCA / MBA / M.E / M.Tech / M.Arch / B.Sc a little later . Students are already in confusion about the re opening of Affiliated College in [...]

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Anna Univ Update for Re Opening Date, Re Schedule of May/June 2013 Time Table U.G / P.G

Anna University released exam schedule on March 20th 2013 for Even Semester Examinations ( 2nd , 4th, 6th, 8th Semester ) U.G and then for P.G – MCA / MBA / M.E / M.Tech / M.Arch / B.Sc a little later .Students are already in confusion about the re opening of Affiliated College in TN [...]

The post Anna Univ Update for Re Opening Date, Re Schedule of May/June 2013 Time Table U.G / P.G appeared first on Anna University Time Table | Revaluation Result 2013.

Digital Signal Processing 5th MJ12 EC2302

REG . NO :

B.E./B.TECH. DEGREE EXAMINATION, MAY/JUNE 2012

FIFTH SEMESTER

ELECTRONICS AND COMMUNICATION ENGINEERING

EC 2302 / EC52 – DIGITAL SIGNAL PROCESSING

(REGULATION 2008)

ANNA UNIVERSITY SYLLABUS - Click Here

Other Links:

PSU Exam Papers - Click Here

Gate Exam papers – Click Here

Jobs & Placement papers – Click Here

Other Departments Papers: Click Here

Download PDF File - Click Here

For More Question paper of ECE - CLICK HERE

PART A – (10 X 2 = 20)

1. WHAT IS TWIDDLE FACTOR?
2. HOW MANY STAGES OF DECIMATIONS ARE REQUIRED IN THE CASE OF A 64 POINT RADIX 2 DIT FFT ALGORITHM?
3. WHY IS THE BUTTERWORTH RESPONSE CALLED A MAXIMALLY FLAT RESPONSE?
4. WHAT IS FREQUENCY WARPING?
5. WHAT ARE THE FEATURES OF FIR FILTER DESIGN USING THE KAISER'S APPROACH?
6. DRAW THE DIRECT FORM IMPLEMENTATION OF THE FIR SYSTEM HAVING DIFFERENCE EQUATION.
y(n) = x(n) – 2x(n-1) + 3x(n-2) – 10x(n-6)
7. WHAT ARE LIMIT CYCLE OSCILLATIONS?
8. WHAT IS DEAD – BAND OF A FILTER?
9. WHAT IS DECIMATION?
10. FIND THE EXPRESSION FOR THE FOLLOWING MULTIRATE SYSTEMS.

PART B – (5 X 16=80)

11. (a) (i) DIFFERENTIATE DFT FROM DTFT. (4)
(ii) COMPUTE AN 8 POINT DFT OF THE SEQUENCE x(n) = (1,0,1,-1,1,-1,0,1)(12)
[OR]
(b) (i) PROVE THAT FFT ALGORITHM HELPS IN REDUCING THE NUMBER OF COMPUTATIONS INVOLVED IN DFT COMPUTATION.(6)
(ii) COMPUTE A 8 POINT DFT OF THE SEQUENCE USING DIT – FFT ALGORITHM      x(n) = (1,2,3,2,1,0)    (10)

12. (a) (i) EXPLAIN THE PROCEDURE FOR DESIGNING ANALOG FILTERS USING THE CHEBYSHEV APPROXIMATION.(6)
(ii) CONVERT THE FOLLOWING ANALOG TRANSFER FUNCTION IN TO DIGITAL USING IMPULSE INVARIANT MAPPING WITH T = 1 sec.      (10)
[OR]
(b) (i) DESIGN A DIGITAL SECOND ORDER LOW – PASS BUTTERWORTH FILTER WITH CUT-OFF FREQUENCY 2200 Hz USING BILINEAR TRANSFORMATION. SAMPLING RATE IS 8000 Hz.         (8)
(ii) DETERMINE THE CASCADE FORM AND PARALLEL FORM IMPLEMENTATION OF THE SYSTEM GOVERNED BY THE TRANSFER FUNCTION
(1 + Z-1)(1 – 5Z-1 – Z-2)
H(Z)= (1 +2Z-1 + Z-2)(1 + Z-1 + Z-2)      (8)

13. (a) DESIGN AN FIR LOW PASS DIGITAL FILTER BY USING THE FREQUENCY SAMPLING METHOD FOR THE FOLLOWING SPECIFICATIONS

CUTOFF FREQUENCY = 1500Hz
SAMPLING FREQUENCY = 15000 Hz
ORDER OF THE FILTER : N = 10
FILTER LENGTH REQUIRED L = N + 1 = 11    (16)
[OR]
(b) (i) EXPLAIN WITH NEAT SKETCH THE IMPLEMENTATION OF FIR FILTERS IN THE
(1) DIRECT FORM
(2) LATTICE FORM   (6)
(ii) DESIGN A DIGITAL FIR BAND – PASS FILTER WITH LOWER CUT-OFF FREQUENCY 2000 Hz AND UPPER CUT-OFF FREQUENCY 3200 Hz USING HAMMING WINDOW OF LENGTH N = 7. SAMPLING RATE IS 10000 Hz.       (10)

14. (a) (i) WHAT IS QUANTIZATION OF ANALOG SIGNALS? DERIVE THE EXPRESSION FOR THE QUANTIZATION ERROR.
(ii) EXPLAIN COEFFICIENT QUANTIZATION IN IIR FILTER.
[OR]
(b) (i) HOW TO PREVENT LIMIT CYCLE OSCILLATION ? EXPLAIN.
(ii)WHAT IS MEANT BY SIGNAL SCALING? EXPLAIN.

15. (a) (i) EXPLAIN SAMPLING RATE CONVERSION BY A RATIONAL FACTOR AND DERIVE INPUT OUTPUT RELATION IN BOTH TIME AND FREQUENCY DOMAIN.(10)
(ii) EXPLAIN THE MULTISTAGE IMPLEMENTATION OF SAMPLING RATE CONVERSION.(6)
[OR]
(b) (i) EXPLAIN THE DESIGN OF NARROW BAND FILTER USING SAMPLING RATE CONVERSION. (8)
(ii) EXPLAIN THE APPLICATION OF SAMPLING RATE CONVERSION IN SUB – BAND CODING. (8)

TANCET 2013 Duplicate Hall Ticket for Online Applicants – MBA / MCA / M.E / M.Tech Entrance Hall Ticket

TANCET Hall Ticket 2013 TANCET entrance exam is fast approaching, students those who applied for the TANCET MBA , MCA , M.E / M.Tech have already been shared Previous Year Questions collections . Candidates those who applied online has been sent the TANCET 2013 Hall Ticket or Admit Card through postal , if you have not [...]

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Anna University Question papers Polymer Chemistry 2013

Anna University , Chennai

B. E DEGREE EXAMINATIONS 2011

(Textile Engineering/ Textile Technology)

Polymer Chemistry

Time: 3 Hrs Max. Marks: 100

Answer all Questions

PART – A (10 × 2 = 20 Marks)

1. State the functionality of the monomers, styrene,
pentaerythritol, glycerol and 1,4–butane diol.
2. State two important criteria for a polymer to form a fibre.
3. Compare the molecular weight of polymer and its
distribution in free radical bulk and solution polymerisation
techniques.
4. What is meant by critical miscle concentration?
5. Explain what is meant by syndiotactic and isotactic
polystyrene.
6. What is meant by glass transition temperature?
7. Why polyacrylonitrile cannot be prepared by bulk
polymerisation?
8. What are the materials used for the manufacture of PET
by melt polycondensation?
9. What is the function of silicone oils when used as a
compounding material for plastics?
10. What is the function of UV–stabilisers added to plastics?

PART B — (5 * 16 = 80 MARKS)

11. Discuss with suitable examples the classification of
polymers based on the following heads.
(i) Source
(ii) Thermal properties
(iii) End applications. (16)
12. (a) (i) Discuss suspension polymerisation technique in
detail. (12)
(ii) Compare the advantages and disadvantages of emulsion
and suspension polymerisation techniques. (4)
Or
(b) (i) Compare addition polymerisation and condensation
polymerisation with suitable examples. (8)
(ii) Compare the advantages and disadvantages of bulk and
solution polymerisation techniques. (8)
13. (a) (i) Discuss the factors affecting crystallinity and
crystallisability. (10)
(ii) How does crystallinity affect the properties of polymers?
(6)
Or (b) (i) Explain the various phase transitions of an amorphous
and a semicrystalline polymer. (8)
(ii) State with reasons which polymer has higher value in
each of the following pairs of polymers.
* Polystyrene or Poly ( –methyl styrene)
* Poly (methacrylate) or Poly (butylacrylate)
* Polyethylene terephthalate or Poly (bisphenol–A
carbonate)
* Nylon–6 or Nylon–11. (8)
14. (a) (i) Describe the manufacture of polyurethane foams
and explain the mechanisms of foam formation when water
is used as a foaming agent. (10)
(ii) How is PET manufactured and what is its uses? (6)
Or
(b) (i) Describe the manufacture of polystyrene by bulk and
emulsion polymerization techniques and state its properties
and uses. (8)
(ii) Explain the formation of carbon fibre with suitable
reactions. (8) 15. (a) (i) State any five compounding materials with
suitable examples added to plastics and explain their
function. (10)
(ii) Explain the technique by which continuous polymer films
are obtained. (6)
Or
(b) Write notes on any TWO of the following :
(i) Nylon 6, 6. (8)
(ii) Weight average molecular weight. (8)
(iii) Solubility parameter. (8)

Polymer Chemistry Anna University Previous Semester Question papers 2013

Anna University Question papers Microprocessor and Microcontrollers May / June Question paper 2013

Anna University Question papers Microprocessor and Microcontrollers May / June 2012 Question paper 2012 - 2013

B.E /B.Tech DEGREE EXAMINATION ,MAY/JUNE 2012 .

SIXTH SEMESTER

ELECTRICAL AND ELECTRONICS ENGINEERING

MICROPROCESSOR AND MICROCONTROLLERS

(REGULATION 2008)

ANSWER ALL QUESTIONS

PART A-(10*2=20)

1 .If the crystal oscillator frequency is 5M H Z , calculate the time period to execute the instruction STA4200 in 8085 processor..

2.what is the function of PCHL instruction?

3.State the function of DSR and DTR pins in 8251 ?

4.what are the different operating modes of 8253 timer?

5.what physical address is represented by 4370H:5671H and 9A65H:0599H

6.Illustrate the operation of the following instructions in 8086 processor.

(a) DAA.

(B) CBW.

7 .list the addressing modes of 8051 .

8.what is the function of PORT 3 In8051 micro controller?

9.what is the resolution of 10 bit ASDC?

10.mention any two applications of stepper motor control.

PART A-(5*16=80 marks)

1 1 .(a)(i) name and explain the different addressing modes used in 8085 with suitable examples.(8)

(ii) write an 8085 assembly language program to evaluate the expression w=x2+y 2+z2.(8)

(OR)

(B)(i) Draw the timing diagram for the instruction IN82h of 8085 processor.(8)

(ii)explain the hardware interrupts of 8085 processor.(8)

1 2.(a)with neat functional block diagram , explain the features of 8255 program m able peripheral interface and its programming modes.(1 6)

(or)

(b) design a circuit to interface 8251 USART with 8085 processor to handle serial data transfer operations.(16)

1 3.(a)(i) what are the flags available in 8086 processor? Explain their functions.(8)

(ii)explain the instructions supporting string operations in 8086 m microprocessor.

write an ALP to move a block of data starting from memory location X to memory location starting

from Y.(8)

(or)

(b)(i)draw the pin diagram of 8086 CPU and explain the functions of the pins in minimum and maximum mode of operation of 8086. (10)

(ii)describe the circuit suitable for generation of multiple wait states for 8086 CPU module.(6)

1 4. (a)explain the architecture of 8051 micro controller with neat block diagram .(16)

(or)

(b)(i)draw the circuit to interface 8K RAM with 8051 externally .explain the circuit.(8)

(ii)explain the timer operation in 8051 micro controller with necessary diagram s.(8)

1 5. (a)An industrial monitoring system requires monitoring nine different parameters and actuating three different tasks, three parameters per task.use interrupt structure .provide suitable input and output devices for accessing the system . design an 8051 micro controller based system for this

application and explain. (16)

(b)draw the circuit to interface a DC motor to 8051 micro controller write an 8051 assembly language program to control the speed of the motor.explain the circuit and algorithm . (16)

Microprocessor and Microcontrollers Anna University Question papers May / June 2012 Question paper

Highway Engineering Anna University Question papers May June 2013 Model For Civil Students Anna University April/May 2011 Question Paper

University : Anna University

Question paper : April/May 2011.

Semester : Fourth Semester

Department : BE Civil Engineering

Subject : CE2255 Highway Engineering

Regulation : 2008

Semester: 4th Semester

Anna University Highway Engineering April/May 2011 Question papers Model For Civil Students Anna University Question Paper

Download A Copy Of April/May 2011 QP

Anna University Question Papers May / June 2013 Numerical methods Anna Univ Previous Semester Question Paper 2012

University : Anna University

Question paper : MAY/JUNE 2012.

Semester : Fourth Semester

Department : Civil Engineering

Subject : MA 1251/070230054/070030010/070030020/070030021 — NUMERICAL METHODS

Regulation: 2004

Common to Metallurgical Engineering/Petroleum EngineeringfMechatronics
Engineering/Aeronautical Engineering andlElectrical and Electronics Engineering

Common to Fifth Semester — Electronics and Communication Engineering
and Food Technology

Common to Sixth Semester Computer Science and Engineering, Information
Technology Chemical Engineering and Automobile Engineering

Common to MA 1011 Numerical methods for Sixth Semester Electronics and
Communication Engineering

Common to B.E. (Part-Time) — Third Semester — Civil Engineering and Fourth
Semester Mechanical Engineering, Regulation 2005
Numerical methods Anna University Question Papers May / June 2012 Anna Univ Previous Semester Question Paper 2013

Download A Copy of QP Here

Microprocessor And Microcontroller 6th ND11 EE2354

Anna University

B.E./B.Tech. DEGREE EXAMINATION, NOVEMBER/DECEMBER 2011.

Sixth Semester

Electrical and Electronics Engineering

EE 2354 - MICROPROCESSORS AND MICROCONTROLLER

(Regulation 2008)

ANNA UNIVERSITY SYLLABUS - Click Here

Other Links:

PSU Exam Papers - Click Here

Gate Exam papers – Click Here

Jobs & Placement papers – Click Here

Other Departments Papers: Click Here

Download PDF File - Click Here

For More Question paper of EEE - CLICK HERE

PART A — (10 × 2 = 20 marks)

1. Draw the schematic of latching low-order address bus in 8085 microprocessor.
2. If the stack segment register contains 3000h and stack pointer register contains 8434h, what is the physical address of the top of the stack in 8086 microprocessor?
3. Why do we need look-up table?
4. How are the 8085 instructions classified according to the functional categories?
5. Draw the 'Mode Word' format of 8251 USART.
6. State the use of ISR and PR registers in 8259 PIC.
7. List the on-chip peripherals of 8051 microcontroller.
8. What are the addressing modes of 8051 microcontroller?
9. Why do we need opto-isolator circuit between microcontroller and the Stepper motor?
10. Mention the I/O instructions of 8051 microcontroller.

PART B — (5 × 16 = 80 marks)

11. (a) (i) Explain in detail the 8085 interrupt structure. (8)
(ii) Draw the timing diagram for IN and OUT instruction of 8085 and explain. (8)
Or
(b) (i) Draw the internal block diagram of 8086 and explain the bus interface unit and execution unit. (8)
(ii) How address decoding is done in memory Interface. (8)

12. (a) (i) Write a program to count from 0 to 9 with one second delay between each count. At the count of 9, the counter should reset itself to 0 and repeat the sequence continuously. Assume the clock frequency is 1 MHz. (8)
(ii) Write a program with a flowchart to multiply two 8-bit numbers.(8)
Or
(b) (i) Compare the similarities and differences of CALL and RET instructions with PUSH and POP instructions. (8)
(ii) Sixteen bytes are stored in memory locations at XX50h to XX5Fh. Transfer the entire block of data to new memory locations starting at XX70h. (8)

13. (a) (i) Explain the operating modes of 8255 programmable peripheral interface. (8)
(ii) Draw the logical block diagram of 8279 keyboard display controller and explain. (8)
Or
(b) (i) Draw the control word of 8253 timer/counter and explain the operating modes of 8253 timer/counter. (8)
(ii) Why do we need A/D converter and D/A converter? Draw the block diagram to interface 8085 microprocessor with A/D convertor and D/A convertor. (8)

14. (a) (i) Explain the program memory and data memory structure of 8051 microcontroller. (8)
(ii) Draw the pin diagram of 8051 microcontroller and explain its port structure. (8)
Or
(b) (i) Draw the TMOD register format and explain the different operating modes of timer in 8051 microcontroller. (8)
(ii) Explain how serial communication is performed in 8051 microcontroller. (8)

15. (a) (i) Explain with a program to rotate the stepper motor in both clockwise and anticlockwise direction using 8051 microcontroller. (8)
(ii) How to interface a 7 segment display using 8051 microcontroller. (8)
Or
(b) (i) How 8051 is used in washing machine control? (8)
(ii) How do you interface a 4 × 4 matrix keyboard using 8051 microcontroller? (8)

Saturday, 30 March 2013

Engineering Economics And Financial Accounting 5th AM11 MG2452

Anna University

B.E./B.Tech. DEGREE EXAMINATION, APRIL/MAY 2011

Fifth Semester

Information Technology

MG 2452 - ENGINEERING ECONOMICS AND FINANCIAL ACCOUNTING

(Regulation 2008)

ANNA UNIVERSITY SYLLABUS - Click Here

Other Links:

PSU Exam Papers - Click Here

Gate Exam papers – Click Here

Jobs & Placement papers – Click Here

Other Departments Papers: Click Here

Download PDF File - Click Here

For More Question paper of CSE - CLICK HERE

For more question paper of IT - CLICK HERE

PART A — (10 × 2 = 20 marks)

1. Define managerial economics.
2. How does managerial economics help in Business decision making?
3. List out the various demand determinants.
4. What is sales forecasting?
5. State any two managerial uses of production function.
6. What is a cost sheet?
7. How is price fixed under perfect competitive situation?
8. What is penetration pricing?
9. What is the information needed for the evaluation of capital budgeting decisions?
10. What is pay back or pay off period?

PART B — (5 × 16 = 80 marks)

11. (a) Analyze the scope of managerial economics and its relationship with other disciplines.
Or
(b) What are isoquants? What are its types? What are the properties of isoquants?

12. (a) What is concept of Elasticity of demand? Discuss the various types of elasticity of demand with illustrations.
Or
(b) Discuss various methods of demand forecasting and their merits and de-merits.

13. (a) Discuss cost-output relationship in both short-run and long-run.
Or
(b) What are all the factors that determine the price of the product?
Explain their influence on the price of the product?

14. (a) Following is the Balance Sheet of M/s. ………………. Ltd.
Liabilities Amount
in Rs.
Assets Amount
in Rs.
Equity share capital 1,25,000 Fixed assets 2,30,000
10% preference share capital
75,000 Cash 20,000
8% Debentures 50,000 Bills
receivables
40,000
Reserves and surplus 60,000 Debtors 25,000
Overdraft 20,000 Stock 35,000
Creditors 15.000
Outstanding expenses 5,000
Total 3,50,000 Total 3,50,000
Net profit before interest and tax = Rs. 20,000.
Calculate :
(i) Current ratio
(ii) Liquidity ratio
(iii) Proprietary ratio
(iv) Debt-Equity ratio.
Or
(b) From the following balances sheets of Ranjit Ltd. prepare fund flow statement.
Balance Sheet (Figures in '000)

15. (a) Find out accounting rate of return and suggest to the management regarding the selection of the proposals if the desired rate of return is 20%. Assume that there is no scrap value.
Particulars Proposals A (in Rs.) Proposal B (in Rs. )
Investment 10,000 20,000
Expected life in years 3 4
Net Income – Year 1 3,000 10,000
Year 2 2,500 7,500
Year 3 500 5,000
Year 4 – 2,500
Or
(b) M/s. Sreedharan Ltd. is considering the purchase of a machine which cost Rs. 1,50,000. Expected cash flows from the above investment are as follows :
Year Cash flow in Rs.
1 50,000
2 50,000
3 50,000
4 50,000
5 50,000
Assuming the discount rate as 10% suggest whether purchase of that machine is worth or not?

Engineering Economics And Financial Accounting 5th AM11 MG2452

Anna University

B.E./B.Tech. DEGREE EXAMINATION, APRIL/MAY 2011

Fifth Semester

Information Technology

MG 2452 - ENGINEERING ECONOMICS AND FINANCIAL ACCOUNTING

(Regulation 2008)

ANNA UNIVERSITY SYLLABUS - Click Here

Other Links:

PSU Exam Papers - Click Here

Gate Exam papers – Click Here

Jobs & Placement papers – Click Here

Other Departments Papers: Click Here

Download PDF File - Click Here

Microprocessors And Microcontrollers 4th MJ12 CS22522

Question Paper Code : 10264

B.E/B.Tech. DEGREE EXAMINATION, MAY/JUNE 2012

Fourth Semester

Computer Science and Engineering

CS 2252/141402/CS 42/EC 1257/10144 CS 403/080250010 –MICROPROCESSORS AND MICROCONTROLLERS

(Common to Information Technology)

(Regulation 2008)

ANNA UNIVERSITY SYLLABUS - Click Here

Other Links:

PSU Exam Papers - Click Here

Gate Exam papers – Click Here

Jobs & Placement papers – Click Here

Other Departments Papers: Click Here

Download PDF File - Click Here

For More Question paper of CSE - CLICK HERE

For more question paper of IT - CLICK HERE

PART A – ( 10 x 2 = 20 marks )

1. How many memory locations can be addressed by 8085 microprocessor?
2. Give an example for direct and indirect addressing modes of 8085.
3. What are called as assembler directives? Give two examples.
4. What is BIOS function call in 8086 µ p?
5. Compare closely coupled configuration features with loosely coupled configuration features.
6. List any four 8087 data formats.
7. Why a latch is used for an O/P port, but a tri-state buffer can be used for an input port?
8. List the six modes of timer.
9. What is the size of the on-chip program memory and on-chip data memory of 8051 microcontroller?
10. List the features of the parallel ports of 8051 microcontroller.

PART B – ( 5 x 16 = 80 marks )

11. (a) (i) Explain the execution of the instruction MVI A, 32h with a timing diagram. (8)
(ii) Write an 8085 Assembly language program to multiply two 8-bit number, which is sorted in the memory location 4500h and 4501h. Store the product in the subsequent memory locations? (8)
OR
(b) (i) Explain the different addressing modes in 8085 microprocessor. Give two examples for each addressing mode. (8)
(ii) Write an 8085 assembly language program to find the largest 8-bit number among the five numbers which are stored in the memory locations 4200h to 4204h.(8)

12. (a) (i) Draw the architectural block diagram of 8086 microprocessor and explain. (8)
(ii) Explain how to pass parameters to macros?(8)
OR
(b) (i) Explain the interrupt structure of an 8086 microprocessor with 8086 interrupt-pointer table. (8)
(ii) Write an 8086 assembly language program to read in 100 samples of data at 1-ms intervals. (8)

13. (a) (i) Draw the 8087 interval architecture and explain.(8)
(ii) Give two examples of 8087 data transfer instructions, arithmetic instructions,
processor control instructions and transcendental instructions.(8)
OR
(b) (i) Draw the architecture of 8089 I/O processor and explain.(8)
(ii) Explain how I/O processor communicates between the CPU and I/O peripherals with an example.(8)

14. (a) (i) Explain the operating modes of 8255 programmable peripheral interface.(8)
(ii) Draw the control word format of 8254 programmable interval timer and explain.(8)
OR
(b) (i) Draw the architectural block diagram of 8259 Programmable interrupt controller and
explain.(8)
(ii) Write a program to make the stepper motor to rotate both clockwise and counter clock wise direction. (8)

15. (a) (i) Draw the architectural block diagram of 8051 microcontroller and explain.(8)
(ii) Draw the circuit diagram to interface an LCD with microcontroller and explain how to display the data using LCD. (8)
OR
(b) (i) Draw the circuit diagram to interface a keyboard with microcontroller and explain how microcontroller recognizes the key-press.(8)
(ii) Program the on-chip timer in 8051 to be an event counter. Use model and display the binary count on P1. Set the initial count to be Zero.(8)

Microprocessors And Microcontrollers 4th MJ12 CS22522

Question Paper Code : 10264

B.E/B.Tech. DEGREE EXAMINATION, MAY/JUNE 2012

Fourth Semester

Computer Science and Engineering

CS 2252/141402/CS 42/EC 1257/10144 CS 403/080250010 –MICROPROCESSORS AND MICROCONTROLLERS

(Common to Information Technology)

(Regulation 2008)

ANNA UNIVERSITY SYLLABUS - Click Here

Other Links:

PSU Exam Papers - Click Here

Gate Exam papers – Click Here

Jobs & Placement papers – Click Here

Other Departments Papers: Click Here

Download PDF File - Click Here

Computer Networks Anna Univ EEE Question paper Nov / Dec 2012 - Model Question paper For April / May 2013 Examinations

Computer Networks Anna University EEE Question paper Nov / Dec 2012 - Model Question paper For April / May 2013 Examinations - CS2363

University : Anna University

Subject : CS2363 Computer Networks

Departments : EEE

Regulation : 2008

Question Paper : Nov / Dec 2013 Model Question Paper

Semester : 6th Sem

Anna University Computer Networks CS2363 EEE Question paper 6th Semester Nov / Dec 2012 - Model Question paper For April / May 2013 Examinations

Download A Copy Of QP Here

Microprocessors and Microcontrollers 4th ND11 CS2252

B.E./B.Tech. DEGREE EXAMINATION, NOVEMBER/DECEMBER 2011.

Fourth Semester

Computer Science and Engineering

CS 2252 – MICROPROCESSORS AND MICROCONTROLLERS

(Common to Information Technology)

(Regulation 2008)

ANNA UNIVERSITY SYLLABUS - Click Here

Other Links:

PSU Exam Papers - Click Here

Gate Exam papers – Click Here

Jobs & Placement papers – Click Here

Other Departments Papers: Click Here

Download PDF File - Click Here

For More Question paper of CSE - CLICK HERE

For more question paper of IT - CLICK HERE

PART A — (10 × 2 = 20 marks)

1. Identify the addressing mode of the following 8085 instruction.
(a) SHLD 2500H
(b) DCR E
2. Name the machine cycles needed to execute the 8085 instruction MVI B,4FH.
3. What are the general purpose registers in 8086?
4. Give the importance of the assembler directive EVEN.
5. What are the features of closely coupled multiprocessor systems?
6. What do you mean by CCW in an I/O processor?
7. How many address lines and data lines are necessary for accessing 32Kx8 memory?
8. What is DMA?
9. What are the differences between a microprocessor and a microcontroller?
10. How is the selection of particular register bank done in 8051?

PART B —(5 × 16 = 80 marks)

11. (a) Explain the Intel 8085 Microprocessor architecture with neat diagram.(16)
Or
(b) (i) Discuss the different groups of instruction set of 8085 with suitable examples. (8)
(ii) Write an 8085 ALP to find the largest number in a array of 10 data. Starting address of the array of data is 4250H. (8)

12. (a) (i) Explain the various addressing modes of 8086 processor with suitable examples. (10)
(ii) Compare macro and procedure. (6)
Or
(b) (i) Write an 8086 ALP to find the sum of numbers in the array of 12 elements. (8)
(ii) What is BIOS? Discuss the various BIOS function calls. (8)

13. (a) (i) Draw the block diagram of 8087 numeric Data processor and explain. (10)
(ii) Discuss briefly the data types supported by 8087 Numeric Data Processor. (6)
Or
(b) (i) Explain the block diagram of 8089 I/O processor. (10)
(ii) Discuss the schemes used to solve the bus arbitration problem in multiprocessors. (6)

14. (a) Explain the 8251 USART with neat block diagram. Also explain its mode word, command word and status word. (16)
Or
(b) Describe the block diagram of 8259 Programmable Interrupt Controller and its priority modes. (16)

15. (a) (i) Draw the pin diagram of 8051 microcontroller and explain the functions of each pin. (10)
(ii) Discuss briefly the various registers in 8051 microcontroller. (6)
Or
(b) (i) Explain the interfacing of 4×4 matrix keyboard to the 8051 microcontroller with neat diagram. (10)
(ii) Briefly write about the IE and IP register in 8051 microcontroller.(6)

Microprocessors and Microcontrollers 4th ND11 CS2252

B.E./B.Tech. DEGREE EXAMINATION, NOVEMBER/DECEMBER 2011.

Fourth Semester

Computer Science and Engineering

CS 2252 – MICROPROCESSORS AND MICROCONTROLLERS

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Antenna and Wave Propagation Anna University Question Paper Nov / Dec 2012 - Anna Univ Model Question paper May / June 2013

Antenna and Wave Propagation AWP Anna University Question Paper Nov / Dec 2012 - Anna Univ previous SemesterModel Question paper May / June 2013

University : Anna University

Subject : EC2353 Antenna and Wave Propagation

Departments : ECE

Regulation : 2008

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Semester : 6th Sem

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Advanced Java Programming Anna University Question Paper 2013 - Nov / Dec 2012 Previous Semester Question Paper

Advanced Java Programming AJP Anna University Question Paper 2013 - Nov / Dec 2012 Previous Semester Question Paper

University : Anna University

Subject : CS2023 Advanced Java Programming

Departments : CSE

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Semester : 6

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Microprocessor and Microcontroller 4th AM10 CS2252

B.E./B.Tech. DEGREE EXAMINATION, APRIL/MAY 2010.

Fourth Semester

Computer Science and Engineering

CS2252 - MICROPROCESSORS AND MICRO CONTROLLERS

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PART A- (10 X 2= 20 marks)

1. Assume that the accumulator contains data types 82H and the instruction MOV C, A (4FH) is fetched. List the steps in encoding and executing the instruction.
2. What are the second bytes in the instruction IN and OUT of 8085 microprocessor?
3. Draw the 8086 flag register format.
4. List different types of 8086 hardware interrupts.
5. Compare closely coupled configuration with loosely coupled configuration.
6. Mention the need for co- processor in a microprocessor based system.
7. Can an input port and an output port have the same port address? Justify.
8. Why is each channel in DMA controller restricted to 16K bytes of data transfer?
9. With XTAL = 11.0592 MHz, what value should be loaded into TH1 to have 9600 baud rate?
10. How do you select the register bank in 8051 micro-controller?

PART B- (5 X 16 = 80 Marks)

11. (a) (i) Write an 8085 assembly language program with flowchart for the following: Six bytes are stored in memory locations starting at XX50H. Add all the data bytes. Use register B to save any carry generated while adding the data bytes. Store the sum at two consecutive memory locations, XX70H and XX71H. Data (H): A2, FA, DF, E5, 98, 8B. (8 Marks)
(ii) Write a program to generate a continuous square wave with the period of 500 microseconds. Assume the system clock period is 325ns and use bit D0 to output the square wave. (8 Marks)
(Or)
(b) (i) Explain the following 8085 instructions with an example JP, JPO, CM, RPE, DAA, XCHG, SPHL and PCHL. (8 Marks)
(ii) Draw the timing diagram for the instruction MVI A, 32h and OUT 01h. (8 Marks)

12. (a) (i) Draw the internal block diagram of 8086 microprocessor and explain. (8 Marks)
(ii) Explain any eight assembler directives of 8086 microprocessor. (8 Marks)
(Or)
(b) (i) Give three examples for the following 8086 microprocessor instructions: String Instructions, Process Control Instruction, Program Execution Transfer Instructions and Bit manipulation Instructions. (12 Marks)
(ii)How does one define and call macro parameters of 886 microprocessor? (4 Marks)

13. (a) (i) Draw the internal block diagram of 8087 Co- processor and explain it with 8087 control word and status word formats. (12 Marks)
(ii) Give two examples for packed decimal data transfers and integer data transfers of an 8087 co- processor. (4 Marks)
(Or)
(b) Draw the architecture of 8089 I/O co- processor and explain. (16 Marks)

14. (a) Draw the block diagram of 8279 keyboard/ Display controller and explain hoe to interface the Hex Key pad and 7- segment LEDs using 8279. (16 Marks)
(Or)
(b) (i) Draw the functional block diagram of 8254 timer and explain the different modes of operation. (8 Marks)
(ii) Draw the block diagram of 8259A and explain how to program 8259A. (8 Marks)

15. (a) (i) Explain the memory structure of an 8051 Micro-controller. (8 Marks)
(ii) How does one interface a 16 X 2 LCD Display using 8051 Micro-controller? (8 Marks)
(Or)
(b) (i) Explain the on- chip timer modes of an 8051 Micro-controller. (8 Marks)
(ii) Explain how interface an 8- bit ADC with 8051 Micro-controller. (8 Marks)