CE604 : Computer Network

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CE604 Computer Network
Department of Computer Engineering and
Information Technology, Sankalchand Patel College
of Engineering, Visnagar-384315. India H.North
Gujarat University, Patan
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CE604 Computer Network
For Syllabus http//ngu.ac.in/academic/engineerin
g/CE604.htm
Theory 04 Hours/week Practical 02
Hours/week Theory 100 Marks (3
Hours) Practical 25 Marks TW/Viva 25 Marks
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Chapter 1 Introduction

• Uses of Computer Network
• For Business Applications
• For Home Applications
• For Mobile Users
• Social Issues related

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Chapter 1 Introduction

• Uses of Computer Network
• For Business Applications
• Resource Sharing
• Client-Server Configuration
• e-Email
• Video Conferencing
• Electronic Business
• Business on Internet
• For Home Applications
• For Mobile Users
• Social Issues related

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Chapter 1 Introduction

• Uses of Computer Network
• For Business Applications
• For Home Applications
• Access to remote information
• Person to person communication (chatting)
• Interactive entertainment
• e-Commerce
• (Digital Library, newspaper, video on demand,
  online game)
• For Mobile Users
• Social Issues related

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Chapter 1 Introduction

• Uses of Computer Network
• For Business Applications
• For Home Applications
• For Mobile Users Mobile Computers Wireless
  parking meter
• Wireless network Snacks vending machine
• Portable office Electricity, gas, water meter
• Good for salesperson Wireless smoke detector
• Military m-commerce
• Wireless PDA Wireless Application Protocol
• Social Issues related

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Chapter 1 Introduction

• Uses of Computer Network
• For Business Applications
• For Home Applications
• For Mobile User
• Social Issues Related
• Open Newsgroup/bulleting board
• Free hosting of Pictures/Video clips
• Employee/Employers rights
• Government Vs. Citizens
• Spam (junk mail), virus
• identity theft
• More securities, more cost

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Chapter 1 Introduction
Transmission Technology a) Point to point b)
Broadcast

• Network Hardware
• LAN
• MAN
• WAN
• Wireless Network

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Chapter 1 Introduction

• Network Hardware
• LAN (Local Area Network)
• Within a same building/campus of few km in size
• Useful for offices,colleges, factories, etc
• LAN are known by size, topology and technology
• Faster and less error prone
• Topologies Bus, Ring, Star etc
• Centralized arbitration mechanism
• Channel Allocation static/dynamic(centralized-de
  centralized)
• MAN
• WAN
• Wireless Network

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Chapter 1 Introduction

• Network Hardware
• LAN
• MAN (Metropolitan Area Network)
  Covers a city
• E.g. Cable network
• High speed wireless intranet access
• IEEE 802.6 standard
• WAN
• Wireless Network

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Chapter 1 Introduction

• Network Hardware
• LAN
• MAN
• WAN (Wide Area Network) Large
  geographical area, often a country/subcontinent
• (Communication) subnet is typically owned
  operated by telephone companies
• Transmission lines and switching elements are
  two major components of WAN
• These switching computers are known as routers.
• Centralized arbitration mechanism
• Subnet is collection of communication lines and
  routers
• Wireless Network

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Chapter 1 Introduction
To be continued ..