055003 - COMPUTER HARDWARE AND SERVICING

On completion of the following units of syllabus contents, the students must be able to -

Know the evolution of Personal Computer from PC through Core iand Laptop.
Know and explain the major components that make up the system unit.
Know the data process and store them in meaningful information.
Explain about the principle of operations of Keyboard, Mouse and Displays.
Understand the components of media system.
Know the Basics, working principle, specification and modern technology of different types of drives.
Know the specification of I/O Ports of all I/O devices like serial, parallel, USB – Game port, Blue tooth and IP Connectors
Know the operation, working principle and troubleshooting of devices like Dot matrix, Inkjet, Laser, Thermal, MFP Printers.
Know the aspects related to Power Supply.
Understand the common problems in the computer system and the peripherals
Trouble shoot the problems in Personal computers.
Trouble shoot the problems in Computer peripherals.
Know and explain the major components of Laptop.
Trouble shoot the problems in Laptop.
Understand the basic components and tools used in servicing of Mobile phones.
Know to install the software required for mobile phones and to maintain it.
Troubleshoot the problems in Mobile Phones

Processor sockets/slots – Memory sockets – Chipsets – Cache– BIOS – Clock generator – RTC – Super I/O Controller – Power connector – Battery – Keyboard/ Mouse Connectors – Jumpers – Ports and Headers – Pin Connectors -Motherboard Form factor - Hardware, Software and Firmware. Mother Board: Architecture and block diagram

Introduction –Core2 Duo processor, Quad core processor, Core i3, i5, i7 series, AMD A10 series, Xeon Processor

Chipset basics - North / South Bridge architecture.architecture and Hub

Overview and features of PCI, AGP, USB, & Processor Bus.

Introduction - Memory speed - Access time - Wait states. Main Memory – types - Memory errors. Hard Disk: Introduction – Construction – Working Principle – File Systems –Formatting and Troubleshooting

Keyboard: Interfacing and Signals (USB, Wireless), Types of keys, Keyboard Matrix, Key bouncing, Types of keyboard (Simple, Mechanical). Mouse: Optical mouse operation – Optical mouse cleaning– Troubleshooting flowchart for a mouse.

Printer: Introduction – Types of printers – Dot Matrix, Inkjet, Laser, Thermal, MFP printer (Multi Function Printer) - Operation and Troubleshooting. Scanner: Introduction, Scanner mechanism, working principle – Types of Scanners (Bar code, Handheld, Flatbed) –Preventive maintenance and Troubleshooting

Displays: LCD Principles – Plasma Displays – TFT Displays - LED Displays. Graphic Cards: Video capture card

Block diagram – Basic Principles and Operations – O/P Voltage –Cable color code – Connectors and Power Good – Common Failures (No circuit diagram to be discussed)

Bios functions – Cold and Warm booting – BIOS error codes – BIOS interrupts – BIOS advanced setup. Upgrading BIOS, Flash BIOS-setup. Identification of different BIOS (AMI, AWARD BIOS).

Error, Beep Codes, Error messages, Post Hardware.– Faults related to

Difference between laptop and desktop- Types of laptop–Block diagram – working principles–configuring laptops and power settings - SMD components, ESD and precautions

Adapter – Types, Battery –Types and basic problems, RAM– types, CPU – types, Laptop Mother Board - block diagram, Laptop Keyboard

Formatting, Partitioning and Installation of OS –Trouble Shooting Laptop and Desktop computer problems.

Preventive Maintenance: Tools required – active and passive maintenance – Types of Diagnostics software – Preventive Maintenance Schedule. Upgrading of Systems: Motherboard, Memory, CPU, Graphics Card, BIOS up gradation and Updating of System & Application software

Basics of mobile communication, Components: battery- antenna - ear piece - microphone - speaker-buzzer - LCD - keyboard. Basic circuit board components – Names and functions of different ICs used in mobile phones

Mobile servicing kit --soldering and de-soldering components using different soldering tools - Use of multi-meter and battery booster.

Assembling and disassembling of different types of mobile phones – Installation of OS - Fault finding & troubleshooting- Jumper techniques and solutions

Flashing- Formatting- Unlocking - Use of secret Downloading- Routing.-

Mobile Viruses – Precautions – Anti virus Software.


1. Identification of system layout (Study Exercise)
a) Front panel indicators & switches and front side & rear side connectors.
b) Familiarize the computer system Layout: Marking positions of SMPS, Motherboard, HDD, DVD and add on cards.
c) Configure bios setup program and troubleshoot the typical problems using BIOS utility.

2. HARD DISK
a) Install Hard Disk.
b) Configure CMOS-Setup.
c) Partition and Format Hard Disk.
d) Identify Master /Slave / IDE Devices.
e) Practice with scan disk, disk cleanup, disk De - fragmentation, Virus Detecting and Rectifying Software.

3. a) Install and Configure a DVD Writer & Blu-ray Disc Writer.
b) Recording a Blank DVD & Blu-ray Disc.

4. Printer Installation and Servicing
a) Install and configure Dot matrix printer and Laser printer.
b) Troubleshoot the above printers

5. Assemble a system with add on cards and check the working condition of the system and install Dual OS.

6. Identification of mobile phone components (Study Exercise)
a) Basic mobile phone components.
b) Familiarizing the basic circuit board components: Marking position of different IC and Switches in the Network and Power sections of the PCB.

7. a) Assembling and Disassembling of Mobile Phones.
b) Fault finding and troubleshooting of Ear piece, Microphone, Keypad and Display Sections of Mobile Phones.

8. Flashing, Unlocking and Formatting memory cards in Mobile phones

9. Do the following cabling works in a network
a) Cable Crimpling
b) Standard Cabling
c) Cross Cabling
d) I/O Connector Crimping
e) Testing the Crimped cable using a Cable tester

10. a) Configure Host IP, Subnet Mask and Default Gateway in a system in LAN (TCP/IPConfiguration).
b) Configure Internet connection and use IPCONFIG, PING / Tracert and Netstatutilities to Debug the Network issues.

11. a) Install and configure Network Devices: HUB, Switch and Routers
b) Install and Configure Wired and Wireless NIC and transfer files between systems

12. Transfer files between systems in LAN using FTPConfiguration. Install a printer in LAN and share it in the network.

13. Installation of Windows 2008 / 2013 Server.

14. Installation and configuration of DHCPServer.

15. Installation and configuration of Mail Server.

16. a) Installation of Red Hat Linux using Graphical mode.
b) Installation of Red Hat Linux using VM ware.

17. a) Configuring and troubleshooting of/etc/grub.conf
b) Configuring and trouble shooting of/etc/passwd
Contributions are welcome!
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