Anna university :: chennai 600 025

CS1251 COMPUTER ARCHITECTURE 3 0 0 100

AIM

To discuss the basic structure of a digital computer and to study in detail the organization of the Control unit, the Arithmetic and Logical unit, the Memory unit and the I/O unit.

OBJECTIVES

• 
  To have a thorough understanding of the basic structure and operation of a digital computer.
  
• 
  To discuss in detail the operation of the arithmetic unit including the algorithms & implementation of fixed-point and floating-point addition, subtraction, multiplication & division.
  
• 
  To study in detail the different types of control and the concept of pipelining.
  
• 
  To study the hierarchical memory system including cache memories and virtual memory.
  
• 
  To study the different ways of communicating with I/O devices and standard I/O interfaces.
  

UNIT I BASIC STRUCTURE OF COMPUTERS 10

Functional units- Basic Operational Concepts, Bus Structures, Software Performance – Memory locations & addresses – Memory operations – Instruction and instruction sequencing – addressing modes – assembly language – Basic I/O operations – stacks and queues.

UNIT II ARITHMETIC 8

Addition and subtraction of signed numbers – Design of fast adders – multiplication of positive numbers- signed operand multiplication and fast multiplication – Integer division – floating point numbers and operations.

UNIT III BASIC PROCESSING UNIT 9

Fundamental concepts – Execution of a complete Instruction – Multiple bus organization – Hardwired control – microprogrammed control.

Pipelining – Basic concepts – data hazards – instruction hazards – influence on Instruction sets – Data path and control consideration – Superscalar operation.

UNIT IV MEMORY SYSTEM 9

Basic concepts – semiconductor RAMs, ROMs – Speed, size and cost – cache memories - Performance consideration – Virtual memory- Memory Management requirements – Secondary storage.

UNIT-V I/O ORGANIZATION 9

Accessing I/O devices – Interrupts – Direct Memory Access – Buses – Interface Circuits – Standard I/O Interfaces (PCI, SCSI, USB).

TOTAL : 45

TEXT BOOKS

1. 
   Carl Hamacher, Zvonko Vranesic and Safwat Zaky, “Computer Organization” 5^th Ed, McGraw Hill, 2002.
   

REFERENCES

1. 
   William Stallings, “Computer Organization & Architecture – Designing for Performance”, 6^th Ed., Pearson Education, 2003 reprint.
   
2. 
   David A.Patterson and John L.Hennessy, “Computer Organization & Design, the hardware / software interface”, 2^nd Ed, Morgan Kaufmann, 2002 reprint.
   

3. John P.Hayes, “Computer Architecture & Organization”, 3^rd Ed, McGraw-Hill, 1998.

EC1354 COMMUNICATION SYSTEMS LABORATORY 0 0 3 100

LIST OF EXPERIMENTS

1. 
   Radiation pattern of Halfwave dipole Antenna
   

2. Radiation pattern of yagi Antenna

3. Radiation pattern of loop Antenna

4. Characteristics of AM receiver (Selectivity & Sensitivity)

5. Characteristics of FM receiver (Selectivity & Sensitivity)

6. Sampling & time division multiplexing

7. Pulse modulation- PAM / PWM /PPM

8. Pulse code modulation

9. Line coding & Decoding

10. Delta modulation / Differential pulse code modulation

11. Digital modulation –ASK, PSK, QPSK, FSK

EC1355 NETWORKS LABORATORY 0 0 3 100
1. PC to PC Communication

Parallel Communication using 8 bit parallel cable

Serial communication using RS 232C

2. Ethernet LAN protocol

To create scenario and study the performance of CSMA/CD protocol ethrol simulation

3. Token bus and token ring protocols

To create scenario and study the performance of token bus and token ring protocols through simulation

4. Wireless LAN protocols

To create scenario and study the performance of network with CSMA / CA protocol and compare with CSMA/CD protocols.

5. Implementation and study of stop and wait protocol

6. Implementation and study of Goback-N and selective ret protocols

7. Implementation of distance vector routing algorithm

8. Implementation of Link state routing algorithm

9. Implementation of Data encryption and decryption

10. Transfer of files from PC to PC using Windows / Unix socket processing

EC1356 ELECTRONIC SYSTEM DESIGN LAB 0 0 3 100
1. DC power supply design using buck – boost converters

Design the buck-boost converter for the given input voltage variation, load current and output voltage. Plot the regulation characteristics.

2. DC power supply design using fly back converter (Isolated type)

Design the fly back converter using ferrite core transformer for the given input voltage variation load current and output voltage.

Plot the regulation characteristics.
3. Design of a 4-20mA transmitter for a bridge type transducer.

Design the Instrumentation amplifier with the bridge type transducer (Thermistor or any resistance variation transducers) and convert the amplified voltage from the instrumentation amplifier to 4 – 20 mA current using op-amp. Plot the variation of the temperature Vs output current.

4. Design of AC/DC voltage regulator using SCR

Design a phase controlled voltage regulator using full wave rectifier and SCR, vary the conduction angle and plot the output voltage.

5. Design of process control timer

Design a sequential timer to switch on & off at least 3 relays in a particular sequence using timer IC.

6. Design of AM / FM modulator / demodulator

2. 
   Design AM signal using multiplier IC for the given carrier frequency and modulation index and demodulate the AM signal using envelope detector.
   
3. 
   Design FM signal using VCO IC NE566 for the given carrier frequency and demodulate the same using PLL NE 565.
   

7. Design of Wireless date modem.

Design a FSK modulator using 555 and convert it to sine wave using filter and transmit the same using IR LED and demodulate the same PLL NE 565.
8. PCB layout design using CAD

Drawing the schematic of simple electronic circuit and design of PCB layout using CAD

9. Microcontroller based systems design

Design of microcontroller based system for simple applications like security systems combination lock etc. using 89c series flash micro controller.

10. DSP based system design

Design a DSP based system for simple applications like echo generation, etc. using TMS 320 DSP kit.

EC1009 DIGITAL IMAGE PROCESSING 3 0 0 100

AIM

To introduce the student to various image processing techniques.

OBJECTIVES

• 
  To study the image fundamentals and mathematical transforms necessary for image processing.
  
• 
  To study the image enhancement techniques
  
• 
  To study image restoration procedures.
  
• 
  To study the image compression procedures.
  
• 
  To study the image segmentation and representation techniques.
  

UNIT I DIGITAL IMAGE FUNDAMENTALS AND TRANSFORMS 9

Elements of visual perception – Image sampling and quantization Basic relationship between pixels – Basic geometric transformations-Introduction to Fourier Transform and DFT – Properties of 2D Fourier Transform – FFT – Separable Image Transforms -Walsh – Hadamard – Discrete Cosine Transform, Haar, Slant – Karhunen – Loeve transforms.

UNIT II IMAGE ENHANCEMENT TECHNIQUES: 9

Spatial Domain methods: Basic grey level transformation – Histogram equalization – Image subtraction – Image averaging –Spatial filtering: Smoothing, sharpening filters – Laplacian filters – Frequency domain filters : Smoothing – Sharpening filters – Homomorphic filtering.

UNIT III IMAGE RESTORATION: 9

Model of Image Degradation/restoration process – Noise models – Inverse filtering -Least mean square filtering – Constrained least mean square filtering – Blind image restoration – Pseudo inverse – Singular value decomposition.

UNIT IV IMAGE COMPRESSION 9

Lossless compression: Variable length coding – LZW coding – Bit plane coding- predictive coding-DPCM.

Lossy Compression: Transform coding – Wavelet coding – Basics of Image compression standards: JPEG, MPEG,Basics of Vector quantization.

UNIT V IMAGE SEGMENTATION AND REPRESENTATION 9

Edge detection – Thresholding - Region Based segmentation – Boundary representation: chair codes- Polygonal approximation – Boundary segments – boundary descriptors: Simple descriptors-Fourier descriptors - Regional descriptors –Simple descriptors- Texture