The Saigon CTT Semester 1 CHAPTER 1 Le

The Saigon CTT Semester 1 CHAPTER 1 Le Chi Trung

The Saigon CTT }Content • Computer Basic • Binary Numbers • Basic Networking

The Saigon CTT }Schedule

The Saigon CTT COMPUTER BASIC

The Saigon CTT }Electronic Terminologies • Transistor • Resistor • Capacitor • Connector • LED - Light Emitting Diode • PCB - Printed Circuit Board

The Saigon CTT }Computer Terminologies (1) • CPU - Central Processing Unit • RAM - Random Access Memory • ROM - Read-Only Memory • CD-ROM drive • Floppy disk drive • Hard disk drive • Bus

The Saigon CTT }Computer Terminologies (2) • System unit • Motherboard (Mainboard) • Expansion slot • Network Card • Video Card • Sound Card • Parallel port and Serial port

The Saigon CTT }An Idealized Computer

The Saigon CTT }Information Flow

The Saigon CTT }Case Study: Boot process BIOS ROM RAM OS HDD RAM SHELL RAM IO User Interface

The Saigon CTT }Case Study: Word Processing Homework

The Saigon CTT }NIC: Network Interface Card PCMCIA Personal Computer Memory Card International Association • IRQ • I/O address • Memory address

The Saigon CTT }Select a NIC • Type of Network: – Ethernet, Token Ring, FDDI • Type of media: – Twisted-pair, Coaxial, Fiber-optic cable • Type of system bus: – PCI, ISA

The Saigon CTT }Preparation for LAB • 1. 1. 4: Installation of NIC • 1. 2. 1: Configuring network settings • 1. 2. 2: Web browser configuration • Lab companion: – 1. 1. 1 – 1. 1. 4 – 1. 2. 1. 1 – 1. 2

The Saigon CTT }LAB: Setup TCP/IP and Web browser • Address setting • Manually setting • Dynamically setting • Browser plug-in • Viewing the curriculum

The Saigon CTT }LAB: Plug-in • To view the special files which standard Web browsers are not able to understand.

The Saigon CTT }Review • Terminologies • Idealized computer structure • Information flow in computer • NIC and how to install NIC • TCP/IP and Web Browser setting

The Saigon CTT BINARY NUMBERS

The Saigon CTT }Information stored in computers • Symbols or "bits", are 1 and 0.

The Saigon CTT }Text information: ASCII Table

The Saigon CTT }1 Byte = 8 Bits. Information Unit

The Saigon CTT }Numbering System

The Saigon CTT }Binary Numbering System

The Saigon CTT }LAB: Convert Numbering System • Lab companion: – 1. 3. 6

The Saigon CTT }Review • Numbering system • Binary numbers • Convert numbering system

The Saigon CTT BASIC NETWORKING

The Saigon CTT }Examples of Networks Transportation Communications Examples of Networks Utilities Biological

The Saigon CTT }Network = Net + Work • What is flowing ? • What different forms flow ? • What rules govern flow ? • Where does the flow occur ? Brainstorming

The Saigon CTT }Data Network • What is flowing ? – Data • What different forms flow ? – Text, Graphic, Video. . . • What rules govern flow ? – Standard, Protocol. . . • Where does the flow occur ? – Wire, Cable, Atmosphere. . .

The Saigon CTT }Evolution of Networking (1) Individual Computers

The Saigon CTT }Evolution of Networking (2) • Duplicate equipment and resources • Difficult to communicate • Difficult to provide management

The Saigon CTT }Evolution of Networking (3) LAN: Local Area Network

The Saigon CTT }Evolution of Networking (4) WAN: Wide Area Network

The Saigon CTT }Data Networks

The Saigon CTT }LAN = Local Area Network • Connect physically adjacent devices • Operate within a limited geographic area • High-bandwidth media • Full-time connectivity • Control the network privately

The Saigon CTT }LAN Media: Coaxial Cable • 10 Base 2 • 10 Base 5

The Saigon CTT }LAN Media: UTP & STP • 10 Base. T • 100 Base. TX

The Saigon CTT }LAN Media: Fiber Optic • 100 Base. FX • 1000 Base. LX

The Saigon CTT }LAN Equipment: Repeater Regenerates and Repeats the signal.

The Saigon CTT }LAN Equipment: HUB Multiport Repeater

The Saigon CTT }LAN Equipment: Bridge Filter traffic based on MAC Addresses.

The Saigon CTT }LAN Equipment: Switch Multiport Bridge

The Saigon CTT }LAN Equipment: Router Path determination Packet switching

The Saigon CTT }WAN = Wide Area Network • Devices separated over wide areas • Operate over large geographical area • Slow speed • Full-time and Part-time connectivity

The Saigon CTT }WAN Media: ISDN & PSTN Part-time connectivity (Dial-up by modem)

The Saigon CTT }WAN Media: Frame Relay Full-time connectivity

The Saigon CTT }WAN Media: Leased Line Full-time connectivity

The Saigon CTT }WAN Equipment: Modem MODEM = MOdulate and DEModulate Syn Modem, Asyn Modem

The Saigon CTT }WAN Equipment: Comm. Server Remote Access Server

The Saigon CTT }WAN Equipment: WAN Switch Frame Relay switch

The Saigon CTT }WAN Equipment: Router LAN and WAN connectivity

The Saigon CTT }Digital Bandwidth • How much information can flow from one place to another in a given amount of time.

The Saigon CTT }Analogy for Bandwidth: Pipe

The Saigon CTT }Analogy for Bandwidth • Highway • Radio system Brainstorming

The Saigon CTT }Bandwidth: LAN Media

The Saigon CTT }Bandwidth: WAN Services

The Saigon CTT }Throughput <= Bandwidth • Throughput refers to actual, measured, bandwidth, at a specific time of day. • The throughput is effected by: – Internetworking devices – Type of data being transferred – Topology – Number of users – User's computer – Server computer – Power and weather-induced outages

The Saigon CTT }Time Calculations

The Saigon CTT }The importance of Bandwidth • Finite • Save money • A key measure of network performace • A key to understanding the Internet • Increases constantly

The Saigon CTT }Review • Network Terminologies • LAN, WAN • Network media and equipments • Bandwidth and Throughput

The Saigon CTT