Thursday, November 26, 2015

EC2037 Multimedia Compression and Communication Nov Dec 2015 Important Questions

EC2037 Multimedia Compression and Communication Nov Dec 2015 Important Questions
Are you searching for important questions of EC2037 Multimedia Compression and Communication ? Are you going to write exams of EC2037 Multimedia Compression and Communication during Nov Dec 2015 conducted by the Anna University Chennai ? Then this post will help you. We have uploaded here most important questions of EC2037 Multimedia Compression and Communication for BE ECE 7th Semester students studying under Anna University and its affiliated colleges. These questions are mostly appeared questions in the past years and are likely to expected most during Nov Dec 2015 AU Chennai exams too. Prepare the answers for these questions well and score good marks.

Anna University Chennai
Department of B.E ECE
Seventh Semester
EC2037 Multimedia Compression and Communication
November / December 2015 Exam Important Questions
(Regulation 2008)

See Also : EC2037 Multimedia Compression and Communication: AU Chennai Question Bank

1. Explain the interlaced scanning principles of broadcast television (16)

2. Explain 2 Animation & 3D Animation. (16)

3. Explain the working of Audio synthesizer (16)

4. Explain the hardware used in multimedia(16)

5. Explain Linear predictive coding & Code excited LPC (16)

6. Explain MPEG-4 with block diagram (16)

7. Explain the working principles of H.261 (16)

8. Explain the working principles of H.263 (16)

9. (i) Explain arithmetic coding with suitable example (12)

(ii) Compare arithmetic coding algorithm with Huffman coding (4)

10. Find Huffman code-word of the given text “AAAAAAAAAABBBBBCCCSS” by using
static Huffman tree, Calculate Entropy and Derive the avg number of bits per character for codeword? (16)

11. Explain Lempel Ziv Welsh Compression? (16)

12. Explain JPEG image compression technique (16)

13. Explain the working principle of Real time Streaming protocol? (16)

14. Explain the RTP Control Protocol? 16)

15. Explain Architecture Session Initiation Protocol? (16)

16. Explain the Scenario of Beyond Best Effort (16)?

17. Give a detail notes on Multimedia protocols for real time interactive applications with an example? (16)

18. Explain in detail the scheduling and policing mechanism in multimedia networking? (16)

19.(i) Explain the basics and header fields of RTP. Explain how it supports real time interactive
applications. (10)

(ii)Explain the different scheduling mechanisms.(8)

20. (b) (i) Give a brief note on integrated and differential services.(8)

(ii) Explain the principle and applications of RSVP.(8)



Tuesday, November 10, 2015

ECE-201E Semiconductor Devices and Circuits BE ECE KUK 2006 Question Paper

Looking KUK old question papers / model question papers / previous years question papers ? Find one of the question paper called Semiconductor Devices and Circuits (Code: ECE-201E) asked in 2006. Download the image of the exam paper provided below.

University : Kurukshetra University (KUK)
Course : BE ECE
Code of the Paper : BT-3/D06
Subject Code of the Paper : ECE-201E
Subject : Semiconductor Devices and Circuits
Year of the QP : 2006





Saturday, November 7, 2015

EC2027 Advanced Microprocessors BE ECE Nov Dec 2015 Question Paper

EC2027 Advanced Microprocessors BE ECE Nov Dec 2015 Question Paper
Are you preparing for EC2027 Advanced Microprocessors old questions and important questions of Anna University Chennai ? Then you are lucky here as you can collect all important questions of EC2027 Advanced Microprocessors for 7th Semester BE ECE R-2008 in Anna University Chennai Syllabus.

Anna University Chennai
Department of B.E Electronics and Communication Engineering
Seventh Semester
EC2027 Advanced Microprocessors
November / December 2015 Exam Important Questions
(Regulation 2008)

IUQP Important Questions
Anna University, Chennai
Department of B.E- Electronics and Communication Engineering
B.E / B.TECH DEGREE EXAMINATION Nov Dec 2015
SEVENTH SEMESTER
EC2027 Advanced Microprocessors
(REGULATION 2008)

1. Draw & discuss the internal block diagram of 8086.
2. What do you mean by pipelined architecture? How is it implemented in 8086?
3. Explain the concept of segmented memory? What are its advantages?
4. Explain the function of opcode pre-fetch queue in 8086.
5. What is the use of Instruction Queue? What are its uses and advantages?
6. Why are the microprocessor general-purpose registers preferred for use of temporary data storage over the 8086 memory?
7. What are the different Data Transfer Instructions?
8. What are the differences between Memory mapped I/O and I/O mapped l/O
9. Sketch and explain the 8086 bus activities during read machine cycle
10. Sketch and explain the interface of PPI 8255 to the 8086 microprocessor in Minimum mode.
Interface 8 LEDs to the port 8 of 8255. Interface 8 keys to the port A. Write an 8086-assembly program to read the key status and output on to the 8 LEDs
11. Sketch and explain the interface of PIC 8259 to the 8086 microprocessor in minimum mode.
Show the cascading of additional eight 82595 to provide 64 external interrupts. Write an 8086-
assembly program to initialize master 8259 and slaves
12. Interface an 8 bit ADC 808 to port A. Derive control signals from port C.
a. Write an 8086 assembly program segment to read an analog signal.
b. Interface an 8 bit DAC 08 to port A. Write an 8086-assembly program segment to output a ramp.
c. Interface 16 ch x 1I.ine LCD to port A. Derive control signals from port C. Write an 8086 assembly program segment to flash
13. What are the exceptions flags in status register
14. Explain how 8087 is interfaced to 8086
15. List all data types supported by 8087 and their ranges
16. Write an 8086/87-assembly program to find the hypotenuse of a right angled triangle with two
sides given.
17. Explain 8051 assembler directives EQU, SET and BIT with one example each.
18. Explain 8051 assembler directives DBIT and 05 with one example each.
19. Write an 8051-assembly program to exchange the data using PUSH and PCP instructions.
20. Write an 8051-assembly program to convert two digits BCD number to hexadecimal number
21. With Neat Block Diagram , Explain 80186 and 80286 Architecture.
22.Write in detail about Real and Virtual Addressing Modes
23. With Neat Block Diagram , Explain 80486 Architecture
24. Comparison of 8086 - 80186 -80286 - 80386 - 80486 Microprocessors
25. Expalin about Special Pentium Registers used in Pentium Microprocessor.
26. With Neat Block Diagram , Explain Pentium II and Ill Microprocessor Architecture.
27. Compare the Types of Pentium Processors
28. In Detail explain about Basics of P6 micro architecture.
29. Explain about Instruction fetching and dispatching in Power PC620.
30. With necessary block diagram, explain about Intel i960 Processors.
31. Explain about Ultra SPARC processor.
32.With Necessary Block diagram , explain about Bus Interface of New Generation Mother Boards
286 to Pentium 4.
33. In Detail Explain about the Memory and I/O Port Addresses used in the Microprocessors.
34. With Neat Block Diagram , Explain about Motorola 88110 Processor.
35. Explain about Instruction Execution in PowerPC620.


EC2401 WIRELESS COMMUNICATION B.E ECE 7th Sem Nov Dec 2015 Question Paper

Looking for recent exam question paper of EC2401 WIRELESS COMMUNICATION ? You can here download the question paper contents of EC2401 WIRELESS COMMUNICATION, exam held in 02nd Nov 2015. It is 07th Semester B.E ECE Anna University Chennai Question Paper.

Anna University Chennai
Question Paper Code : 21467
B.E / B.Tech DEGREE EXAMINATION, NOVEMBER / DECEMBER 2015
Seventh Semester
Electronics and Communication Engineering
EC 2401/EC 71/10144 EC 701- WIRELESS COMMUNICATION
(Regulations 2008/2010)
(Common to PTEC 2401 - Wireless Communication for B.E. (Part-Time)
Sixth Semester - ECE - Regulations 2009)
Time: Three hours Maximum: 100 marks


Answer ALL questions.
 PART A - (10 x 2 = 20 marks)

1. Mention the operating frequency ranges for AMPS and ETACS systems.

2. Define mean excess delay and rms delay spread.

3. Define Co-channel Interference.

4. Define Coherence time.

5. What do you mean by Non-coherent Detection?

6. Draw the Constellation diagram of Binary Frequency Shift Keying system.

7. If a digital signal processing chip can perform one million multiplications per second, determine the time required between each iteration for the following adaptive equalizer algorithm LMS.

8. What is Transmit Diversity?

9. Draw the block diagram of a Direct Sequence Spread Spectrum Transmitter.

10. What is 18-95 Standard?

PART B - (5 x 16 = 80 marks)

11. (a) (i) With diagram explain Personal Access Communication system. (8)
(ii) Briefly explain ETACS System. (8)
Or
(b) (i) Explain some techniques intended to improve the coverage area and capacity of cellular system. (8)
(ii) Analyze co-channel interference and adjacent channel interference and suggest some measures to reduce them. (8)

12. (a) Derive the expressions for the total Electric field, Etot(d) and received power at distance, Pr(d) using two - ray ground reflection model. (16)
Or
b) The fading characteristics of a CW carrier in an urban area are to be measured. The following assumptions are made
(i) The mobile receiver uses a simple vertical monopole.
(ii) Large-scale fading due to path loss is ignored.
(iii) The mobile has no line-of-sight path to the base station
(iv) The pdf of the received signal follows a Rayleigh distribution
(1) Derive the ratio of the desired signal level to the rms signal level that maximizes the level crossing rate. Express your answer in dB. (5)
(2) Assuming the maximum velocity of the mobile is 50 km/hr, and the carrier frequency is 900 MHz, determine the maximum number of times the signal envelope will fade below the level found in (1) during a one minute test. (6)
(3) How long, on average, will each fade in (2) last? (5)

13. (a) Derive the expression for MSK signal as a special type of continuous phase FSK signal.
Or
(b) Explain in detail about the Gaussian Minimum Shift Keying (GMSK) Transmission and Reception with necessary diagrams.

14. (a) Explain in detail about Space diversity with necessary diagrams
Or
(b) Derive the LMS Algorithm for an Adaptive Equalizer.

15. (a) Explain in detail about various spread spectrum multiple access techniques with neat block diagrams.
Or
(b) Draw the basic arrangement of multitone OFDM transceiver and discuss its overall operation.



Friday, October 30, 2015

EC6404 Linear Integrated Circuits BE ECE Nov Dec 2015 Important Questions

EC6404 Linear Integrated Circuits BE ECE Nov Dec 2015 Important Questions
Do you want to collect important questions for EC6404 Linear Integrated Circuits ? You will here find what you need to download. Provided here is collection of important questions of EC6404 Linear Integrated Circuits. This is 4th semester subject of BE ECE under Anna University Chennai. Download the text version of all important question of EC6404 Linear Integrated Circuits . If you have any other materials, you can also share it here. Contact us via email to send your questions.

Anna University Chennai
Department of B.E Electronics and Communication Engineering
Fourth Semester
EC6404 Linear Integrated Circuits (LIC)
November / December 2015 Exam Important Questions
(Regulation 2013)

Important Questions
Anna University, Chennai
Department of B.E-Electronics and Communication Engineering
B.E / B.TECH DEGREE EXAMINATION Nov Dec 2015
FOURTH SEMESTER
EC6404 Linear Integrated Circuits
(REGULATION 2013)

1. Explain the construction of monolithic bipolar transistor,monolithic diode and integrated resistors

2. Explain the wool-motion of a monolithic bipolar transistor(16)

3. (i) Compare different configurations of Differential Amplifier (8)
(ii) For a dual input, balanced output differential amplifier, Rc = 2.2kohm, Re = 4.7 kohm, Rs1= Rs2 = 50 ohm. The supply Voltages are +- 10 V. The hfo for the transistor is 60. Assume silicon transistors and hie = 1.4 kohm. Determine the operating point values, differential gain, common mode gain and CMRR . (8)

4. (i) List and explain the non-ideal DC characteristics of an operational amplifier. (8)
(ii) Explain the AC characteristics of an operational amplifier

5. With neat diagram explain the application of op-amp as precision rectifier, clipper and damper (16)

6. With neat diagram explain logarithmic amplifier and antilogriyhmic amplifier. (16)

7 (i) Explain the working of OP-AMP based Schmitt trigger circuit. (8)
(ll) Design an OP-AMP based second order active low pass filter with cut off frequency 2 kHz. (8)

8, Explain the working of
(i) Instrumentation amplifier (8)
(ii) Schmitt trigger. (8)

9. (i) Explain the working of IC 565. (10)
(ii) Explain the application of PLL used for FM detection. (6)

10. Explain the working of Analog multiplier using emitter coupled transistor pair.Discuss the
applications of analog multiplier IC. (16)

11. Explain with neat block diagrams, how PLL is used as
(i) AM Detector . (5)
(ii) FM Detector . (5)
(iii) Frequency Synthesizer. (6)


12. Draw the block diagram and explain principle of working, characteristics and applications of,
(i) Frequency Synthesizer (8)
(ii) Frequency Shift Keying (FSK) demodulator (8)

13. Explain weighted resistor type and R-2R Ladder type DAC (16)

14. Explain the working of
(i) R-2R Ladder D/A converter (6)
(ii) Dual slope A/D converter. (10)

15. (i) With neat circuit diagram and wave form of output, explain the working of Dual slope A/ D
converter. (10)
(ii) Give a table of comparison of Flash, Dual-slope and Successive approximation ADCs, in terms of
parameters like speed, accuracy, resolution, input-hold-time. (6)

16. Explain the Working of
(i) Weighted resister D/A converter (6)
(ii) Successive approximation A/D converter. (10)

17. (i) With neat diagram, explain the working principle of isolation amplifier. (8)
(ii) With neat diagram, explain the principle of operation of optocouplers. (8)

18. (i) Explain the working of monostable multi-vibrator (14)
(ii) What are optocouplers ? (2)

19. Explain in detail voltage to frequency and frequency to voltage converters. (16)

20. With neat diagram explain IC723 General Purpose regulator. (16)


EC2301 DIGITAL COMMUNICATION BE ECE April May 2015 Question Paper

Anna University Chennai EC2301 DIGITAL COMMUNICATION Past Exam Papers

Searching for EC2301 DIGITAL COMMUNICATION previous years / old years question papers ? You will see here latest question paper of EC2301 DIGITAL COMMUNICATION from Anna University Chennai. The exam was conducted in April May 2015 for BE ECE 5th semester students. Obtain a copy of this question paper below.

Anna University Chennai
Question Paper Code : 71452
B.E / B.Tech. DEGREE EXAMINATION APRIL / MAY 2015.
Fifth Semester
Electronics and Communication Engineering
EC2301 / EC 51 DIGITAL COMMUNICATION Past Exam Paper
(Regulation 2008)
(Common to PTEC 2301- Digital Communication for B.E. (part - Time) Fourth Semester - Electronics and Communication Engineering - Regulation 2009)
Time: Three hours Maximum: 100 marks





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