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Department of Computer Science

Punjabi Uiversity, Patiala.

B.A. Part- I (Computer Maintenance) Annual

2015, 2016 and 2017 EXAMINATIONS

Paper / Title / Max. Marks / Exam Duration
A / INTRODUCTION TO DIGITAL ELECTRONICS / 70 / 3 Hours
B / INTRODUCTION TO COMPUTER ORGANISATION-I
HARDWARE, BIOS & OPERATING STSTEM / 70 / 3 Hours
C / LABORATORY-I PRACTICAL BASED ON PAPER A & B / 60 / 4 Hours

PAPER A : INTRODUCTION TO DIGITAL ELECTRONICS

Max. Marks : 70 Max. Time : 3 Hrs.

Min. Pass Marks : 35% Lectures to be delivered : 75

INSTRUCTIONS FOR THE PAPER SETTER

The question paper will consist of five sections: A, B, C, D and E. Section A, B, C and D will have two questions from the respective section of the syllabus and will carry 20% marks each. Section E will consist of 5-10 short-answer type questions, which will cover the entire syllabus uniformly and will carry 20% marks in all.

INSTRUCTIONS FOR THE CANDIDATES

Candidates are required to attempt one question each from the sections A, B, C and D of the question paper and the entire section E.

SECTION-A

Test and Measuring Instruments: Block Diagram, working principles and user guidelines for voltmeter, ammeter, multi-meter, function generators, frequency counter and Oscilloscopes.

Power Supplies : Basic block diagrams of power supply-transformer, half way and full way rectifier and filters. Regulated power supplies-zener regulator, series and shut regulation, short circuit protection fold back. Switch mode powers supply (SMPS), operational principles and design.

SECTION-B

Electronic Components (Passive Elements) : Working Principles, symbols, types, technical specifications, parameter value identification measurement techniques of resistors, inductors, capacitors, transformers, relays, switches, cables, connectors batteries, PCBs and fuse etc.

Electronic Components (Active Elements) : Working Principles, symbols, types, technical specifications, parameter value identification techniques of PN junction diodes-linear, varacter, photodiode, zener diode, opto-isolators, BJTs characteristics, basic configurations, biasing, operating point, load line, biasing for stabilisation of operating point, UJT, JEET, MOSFET, SCR, Diac, Triac.

SECTION-C

Digital Electronics : Logic gates, their symbols and truth tables. De Morgan laws. DTL, RTL, HTL, TTL, ECL, MOS and CMOS logic families and their comparative overview with respect to parameters like speed, power consumption, packaging density, fan-in fan-out, voltage levels, compatibility and noise margin level.

Memory ICs : RAM, ROM and their applications. ICs from TTL, ECL families.


SECTION-D

Combination Digital Systems : Binary address, Arithmetic functions and Encoders decoders, multiplexers, demultiplexers.

Sequential Digital Systems : Flilp-Flops-RS, JK, Master Slave, D.T. flip-flop. Shift Registers and Counters-parallel-out, serial in, serial-out, shift registers, ring counter, synchronous and asynchronous counters.

Data Converters : Analog to Digital and Digital to Analog conversions-principles, methods and commonly used ICs.

With emphasis on commercially available used ICs.

Books

1.  Jacob Millman and Arvind Grabel, Micro Electronics, McGraw-Hill Bok, Co., IInd Edition.

2.  Jacob Millman and Chirstos C. Halies, Integrated Electronics, Tata McGraw Hill, Edition, 1991.

3.  Malvino A. P., and Leach D.P., Digital Principles, and Applications, IV Ed. TMH, 1991.

4.  Malvino A. P., Electronic Principles, Tata McGraw, Hill, India, 1984.

5.  Ryder, J.D. Electronic Fundamental and Applications, Vth Ed., Prentice Hall of India, 1979.


PAPER B : INTRODUCTION TO COMPUTER ORGANISATION-I HARDWARE, BIOS & OPERATING SYSTEM

Max. Marks : 70 Max. Time : 3 Hrs.

Min. Pass Marks : 35% Lectures to be delivered : 75

INSTRUCTIONS FOR THE PAPER SETTER

The question paper will consist of five sections : A,B,C,D and E. Section A, B, C and D will have two questions from the respective section of the syllabus and will carry 20% marks each. Section E will consist of 5-10 short-answer type questions, which will cover the entire syllabus uniformly and will carry 20% marks in all.

INSTRUCTIONS FOR THE CANDIDATES

Candidates are required to attempt one question each from the sections A, B, C and D of the question paper and the entire section E.

SECTION-A

Number System : Introduction to decimal, binary, octal, hexadecimal number system, BCD codes, inter conversions of binary, decimal and BCD numbers, excess-3, Gray and Johnson's codes. Concept of parity. ASCII codes.

Boolean Arithmetic and De Morgan's Theorem.

SECTION-B

PC Organisation : Block Diagram of a computer, Processor, Memory, I/O Devices, Motherboard, Supporting Cards, Display, Power Supply, Disk Drivers and BIOS.

Memory : RAM, ROM, Mass storage media. Functional description of commonly used chips, units of storage bit, Byte, Kilobyte, Megabyte, Memory Management-segmentation/portioning, parity checking.

SECTION-C

Floppy/CD/DVD/Hard Disks : Operational Principle and sector information, medium density, high-density, floppy disks, hard disks, hard disk configuration, disk formatting and data integrity. Type of CDs, Types of DVDs R + R = RW

Peripherals : Keyboard, Mouse, Table, Light Pen, Printer, Plotter

SECTION-D

Operating System : Introduction, Function to OS, Types of Operating System : Time Sharing, Multi-programming, multi-tasking, multiuser, personal computes and network Operating Systems.

DOS & Unix : Introduction to DOS, BIOS, bootstrapping (general information), Introduction to Unix and System administration.

Books

1.  Gear, C.W., Computer Organisation and Programming, McGraw Hill, 1975.

2.  M. M. Mano, Computer System Architecture, Prentice Hall, 1976.

3.  M. M. Mano, Computer Organisation, Prentice Hall.

4.  S. Andrew Tanenbaum, Structure Computer Organisation, Prentice-Hall, India.


PAPER C : LABORATORY-I

Max. Marks : 60 Max. Time : 4 hrs.

Min. Pass Marks : 35% Practical Unit to be Conducted :60

The laboratory course will comprise of exercise to supplement what is learnt under Paper A (Introduction to Digital Electronics) and Paper B (Introduction to Computer Organisation-I Hardware, BIOS & Operating Systems).

Break up:

Lab Record - 10 Marks

Viva -Voce - 15 Marks

Program Development and Execution -35 Marks