GOVERNMENT OF TAMILNADU
DIRECTORATE OF TECHNICAL EDUCATION
CHENNAI – 600 025
STATE PROJECT COORDINATION UNIT
Diploma in Electronics and Communication
Engineering
Course Code: 1040
N – Scheme
e-TEXTBOOK
on
COMPUTER HARDWARE SERVICING AND
NETWORKING
for
VI Semester DECE
Convener for ECE Discipline:
Dr. M.JEGANMOHAN,M.E.,MBA.,Ph.D.,(Management).,Ph.D.,(Engg).,M.I.S.T.E.,
Principal,
Government Polytechnic College,
Uthappanaickanoor,
Usilampatti, Madurai – 625 536.
Team Members for Computer Hardware Servicing and Networking:
1. Mrs.S.Nirmala,B.E.,
Senior Lecturer /ECE,
Sakthi polytechnic college,
Erode – 638 315.
2. Mr.V.Manikandan,
Lecturer /Computer,
Sakthi polytechnic college,
Erode - 638 315.
3. Mrs.A.Velvizhi,M.E.,M.I.S.T.E.,
Vice Principal / Computer,
Devangar Polytechnic College,
Periyakulam – 625 602.
Validated By
Dr.S.Mohamed Mansoor Roomi,M.E.,Ph.D
Assitant Professor (sel grade)/ECE,
Thiagarajar College of Engineering,
Madurai – 625 015.
1
, 4040610- COMPUTER HARDWARE SERVICING AND NETWORKING
DETAILED SYLLABUS
UNIT NAME OF THE TOPIC HOURS
MOTHERBOARD COMPONENTS AND MEMORY STORAGE
DEVICES
Introduction:
Hardware, Software and Firmware. Mother board, IO and memory
expansion slots, SMPS, Drives, front panel and rear panel
connectors.
Processors:
Architecture and block diagram of multicore Processor, Features
of new processor(Definition only)-chipsets (Concepts only).
Bus Standards:
I 16
Overview and features of PCI, AGP, PCMCIA
Primary Memory: Introduction-Main Memory, Cache memory –
DDR2, DDR3, DDR4 and Direct RDRAM.
Secondary Storage: Hard Disk – Construction – Working
Principle Specification of IDE, Ultra ATA, Serial ATA; HDD
Partition – Formatting ,SDD introduction.
Removable Storage: CD-R,CD-RW,DVD –ROM and DVD –RW:
construction and reading & writing operations; zip Drive; Blue-ray
– Introduction –Disc Parameters.
I/O DEVICES AND INTERFACE
Keyboard: Signals – operation of membrane and mechanical
keyboards–troubleshooting; wireless Keyboard.
Mouse: types, connectors, operation of Optical mouse and
Troubleshooting.
Printers: Introduction – Types of printers- Dot Matrix, Inkjet Laser,
MFP (Multi Function Printer) and Thermal printer – Operation,
Construction and Features-Troubleshooting.
II 14
I/O Ports: Serial, Parallel, USB, Game Port and HDMI.
Displays: Principles of LED, LCD and TFT Displays.
Graphic Cards: VGA and SVGA card.
Modem: Working principle.
Power Supply: Servo Stabilizers, online and offline UPS - working
principles; SMPS: Principles of Operation and block diagram of
ATX Power supply, Connector Specifications.
MAINTENANCE AND TROUBLE SHOOTING OF DESKTOP
AND LAPTOPS
Bios-setup: Standard CMOS setup, Advanced BIOS setup, Power
15
management, advanced chipset features, PC Bios communication
– upgrading BIOS, Flash BIOS -setup.
POST: Definition – IPL hardware – POST Test sequence – beep
III codes.
Diagnostic Software and Viruses:
Computer Viruses – Precautions –Anti-virus Software – identifying
the signature of viruses – Firewalls and latest diagnostic softwares.
Laptop: Types of laptop –block diagram – working principles–
configuring laptops and power settings -SMD components, ESD
and precautions.
2
, Laptop components: Adapter – types, Battery – types, Laptop
Mother Board - block diagram,Laptop Keyboard and Touchpad .
Installation and Troubleshooting: Formatting, Partitioning and
Installation of OS – Trouble Shooting Laptop Hardware problems -
Preventive maintenance techniques for laptops.
COMPUTER NETWORK DEVICES AND OSI LAYERS
Data Communication: Components of a data communication.
Data flow: simplex – half duplex – full duplex;
Topologies: Star, Bus, Ring, Mesh, Hybrid – Advantages and
Disadvantages of each topology.
Networks: Definition -Types of Networks: LAN – MAN – WAN –
IV CAN – HAN – Internet –Intranet –Extranet, Client-Server, Peer To 14
Peer Networks.
Network devices: Features and concepts of Switches –
Routers(Wired and Wireless) – Gateways.
Network Models: Protocol definition - standards - OSI Model –
layered architecture – functions of all layers.
802.X AND TCP/IP PROTOCOLS
Overview of TCP / IP:TCP/IP – Transport Layers Protocol –
connection oriented and connectionless Services – Sockets - TCP
& UDP.
802.X Protocols :Concepts and PDU format of CSMA/CD (802.3)
– Token bus (802.4) – Token ring (802.5) – Ethernet – type of
Ethernet (Fast Ethernet, gigabit Ethernet) – Comparison between
V 14
802.3, 802.4 and 802.5
Network Layers Protocol:IP –Interior Gateway Protocols (IGMP,
ICMP, ARP, RARP Concept only).
IP Addressing : Dotted Decimal Notation –
Subnetting&Supernetting.
Application Layer Protocols: FTP–Unmanageable Switch-
Manageable Switch-Telnet – SMTP– HTTP –DNS –pop
Examinations 07
3
, CONTENTS
SYLLABUS
UNIT – I
MOTHERBOARD COMPONENTS AND MEMORY
STORAGE DEVICES 7 -33
UNIT – II
I/O DEVICES AND INTERFACE 34 - 61
UNIT – III
MAINTENANCE AND TROUBLE SHOOTING OF
DESKTOP AND LAPTOPS 62 - 88
UNIT - IV
COMPUTER NETWORK DEVICES AND OSI LAYERS 89 - 116
UNIT - V
802.X AND TCP/IP PROTOCOLS 117 - 158
.
4
DIRECTORATE OF TECHNICAL EDUCATION
CHENNAI – 600 025
STATE PROJECT COORDINATION UNIT
Diploma in Electronics and Communication
Engineering
Course Code: 1040
N – Scheme
e-TEXTBOOK
on
COMPUTER HARDWARE SERVICING AND
NETWORKING
for
VI Semester DECE
Convener for ECE Discipline:
Dr. M.JEGANMOHAN,M.E.,MBA.,Ph.D.,(Management).,Ph.D.,(Engg).,M.I.S.T.E.,
Principal,
Government Polytechnic College,
Uthappanaickanoor,
Usilampatti, Madurai – 625 536.
Team Members for Computer Hardware Servicing and Networking:
1. Mrs.S.Nirmala,B.E.,
Senior Lecturer /ECE,
Sakthi polytechnic college,
Erode – 638 315.
2. Mr.V.Manikandan,
Lecturer /Computer,
Sakthi polytechnic college,
Erode - 638 315.
3. Mrs.A.Velvizhi,M.E.,M.I.S.T.E.,
Vice Principal / Computer,
Devangar Polytechnic College,
Periyakulam – 625 602.
Validated By
Dr.S.Mohamed Mansoor Roomi,M.E.,Ph.D
Assitant Professor (sel grade)/ECE,
Thiagarajar College of Engineering,
Madurai – 625 015.
1
, 4040610- COMPUTER HARDWARE SERVICING AND NETWORKING
DETAILED SYLLABUS
UNIT NAME OF THE TOPIC HOURS
MOTHERBOARD COMPONENTS AND MEMORY STORAGE
DEVICES
Introduction:
Hardware, Software and Firmware. Mother board, IO and memory
expansion slots, SMPS, Drives, front panel and rear panel
connectors.
Processors:
Architecture and block diagram of multicore Processor, Features
of new processor(Definition only)-chipsets (Concepts only).
Bus Standards:
I 16
Overview and features of PCI, AGP, PCMCIA
Primary Memory: Introduction-Main Memory, Cache memory –
DDR2, DDR3, DDR4 and Direct RDRAM.
Secondary Storage: Hard Disk – Construction – Working
Principle Specification of IDE, Ultra ATA, Serial ATA; HDD
Partition – Formatting ,SDD introduction.
Removable Storage: CD-R,CD-RW,DVD –ROM and DVD –RW:
construction and reading & writing operations; zip Drive; Blue-ray
– Introduction –Disc Parameters.
I/O DEVICES AND INTERFACE
Keyboard: Signals – operation of membrane and mechanical
keyboards–troubleshooting; wireless Keyboard.
Mouse: types, connectors, operation of Optical mouse and
Troubleshooting.
Printers: Introduction – Types of printers- Dot Matrix, Inkjet Laser,
MFP (Multi Function Printer) and Thermal printer – Operation,
Construction and Features-Troubleshooting.
II 14
I/O Ports: Serial, Parallel, USB, Game Port and HDMI.
Displays: Principles of LED, LCD and TFT Displays.
Graphic Cards: VGA and SVGA card.
Modem: Working principle.
Power Supply: Servo Stabilizers, online and offline UPS - working
principles; SMPS: Principles of Operation and block diagram of
ATX Power supply, Connector Specifications.
MAINTENANCE AND TROUBLE SHOOTING OF DESKTOP
AND LAPTOPS
Bios-setup: Standard CMOS setup, Advanced BIOS setup, Power
15
management, advanced chipset features, PC Bios communication
– upgrading BIOS, Flash BIOS -setup.
POST: Definition – IPL hardware – POST Test sequence – beep
III codes.
Diagnostic Software and Viruses:
Computer Viruses – Precautions –Anti-virus Software – identifying
the signature of viruses – Firewalls and latest diagnostic softwares.
Laptop: Types of laptop –block diagram – working principles–
configuring laptops and power settings -SMD components, ESD
and precautions.
2
, Laptop components: Adapter – types, Battery – types, Laptop
Mother Board - block diagram,Laptop Keyboard and Touchpad .
Installation and Troubleshooting: Formatting, Partitioning and
Installation of OS – Trouble Shooting Laptop Hardware problems -
Preventive maintenance techniques for laptops.
COMPUTER NETWORK DEVICES AND OSI LAYERS
Data Communication: Components of a data communication.
Data flow: simplex – half duplex – full duplex;
Topologies: Star, Bus, Ring, Mesh, Hybrid – Advantages and
Disadvantages of each topology.
Networks: Definition -Types of Networks: LAN – MAN – WAN –
IV CAN – HAN – Internet –Intranet –Extranet, Client-Server, Peer To 14
Peer Networks.
Network devices: Features and concepts of Switches –
Routers(Wired and Wireless) – Gateways.
Network Models: Protocol definition - standards - OSI Model –
layered architecture – functions of all layers.
802.X AND TCP/IP PROTOCOLS
Overview of TCP / IP:TCP/IP – Transport Layers Protocol –
connection oriented and connectionless Services – Sockets - TCP
& UDP.
802.X Protocols :Concepts and PDU format of CSMA/CD (802.3)
– Token bus (802.4) – Token ring (802.5) – Ethernet – type of
Ethernet (Fast Ethernet, gigabit Ethernet) – Comparison between
V 14
802.3, 802.4 and 802.5
Network Layers Protocol:IP –Interior Gateway Protocols (IGMP,
ICMP, ARP, RARP Concept only).
IP Addressing : Dotted Decimal Notation –
Subnetting&Supernetting.
Application Layer Protocols: FTP–Unmanageable Switch-
Manageable Switch-Telnet – SMTP– HTTP –DNS –pop
Examinations 07
3
, CONTENTS
SYLLABUS
UNIT – I
MOTHERBOARD COMPONENTS AND MEMORY
STORAGE DEVICES 7 -33
UNIT – II
I/O DEVICES AND INTERFACE 34 - 61
UNIT – III
MAINTENANCE AND TROUBLE SHOOTING OF
DESKTOP AND LAPTOPS 62 - 88
UNIT - IV
COMPUTER NETWORK DEVICES AND OSI LAYERS 89 - 116
UNIT - V
802.X AND TCP/IP PROTOCOLS 117 - 158
.
4
