Lesson 1 INFORMATION TECHNOLOGY AND WIN-XP by Nguyễn Thanh Tùng Web:

OBJECTIVES  Understand the basic concepts: information technology (IT), information system (IS)  Understand the basic components of the IS  Human  Software  Procedures  Hardware  Data  Information  Basic about Window XP  Internet and services on Internet 2

IT CONCEPTS  Information systems (IS) are network of computer used to store / process and transmit information 3  Information technology (IT) is the area of technology including computer software, information systems, computer hardware, programming languages.

IS COMPONENTS  Human  Procedures  Hardware  Software  Data  Connections (e.g. network) 4

HUMAN  To use / develop information systems  Users and developers  For examples:  Person sell / buy using Internet  Administrators work database to store and retrieve information  Students use of online learning systems 5

SOFTWARE  A set of instructions for the computer to complete a computer task  e.g. staff makes a document to boss, or designs graphic  A software = a program  Software includes:  System software  Application software 6

SYSTEM SOFTWARE  Is a collection of "background" programs:  Not used directly by users  Allow users and application software interact with hardware  Allocate computer resources to applications  Often run automatically at startup of a computer  For example:  Operating system (OS)  Device drivers 7

APPLICATION SOFTWARE  Programs that help end users to perform one or more specific tasks  There are two types: Basic software applications: word processing, spreadsheet, database,... For example, MS Word, Excel, Access  Specialized software applications: graphics, audio, sound, web design,... For example: Photoshop, Media player, Dreamweaver, Visual Studio 8

PROCEDURE  A set of guidelines and rules that people must follow when using the information system  Usually like documents (comes with hardware and software, respectively) 9

HARDWARE  All the physical components of the computer such as mouse, keyboard, monitor, CPU,... etc.  Is divided into three types:  Device I / O  Secondary memory  Connection device 10

MOTHERBOARD  Is the "brain" of the computer  Contains the most important 2 components:  Processor (CPU)  Memory 11

INPUT AND OUTPUT  Input  Mouse  Keyboard  Scanner  Microphone  Output  Printer  Speaker …… 12

SECONDARY MEMORY  Is a data storage device is not connected directly to the processor but by external cable to read / write data  Store data even when power is turned off 13

CONNECTION DEVICES  Device to connect to Internet or between computers  For example: modem, USB, Router, Switches … 14

DATA AND INFORMATION Data  Is a collection of raw data  Just numbers and letters Information  Is collection of processed data  Usually with a context Information System Cuội Toán 10 Văn 7 Lý 10 Hóa 1 Cuội Toán 10 Văn 7 Lý 10 Hóa 1 Điểm trung bình của Cuội: 7 Data Information 15

INTERNET AND CONNECTIONS Types of connections:  Wire: coaxial, Optic fibre … v.v  Wireless: wifi, bluetooth, … v.v Internet  Global computer networks Connections  Between different computers on the same IS  Between different IS 16

Operating system (OS) 17

OS roles 18

Basic action 19

MAIN SCREEN 20

Stop/logout 21

Storage 22

Path\tree diagram 23

 How to check your computer RAM size?  How many logical Disks in your PC and what the size?  How to change the time and date in your PC? EXERCISE 1 24

 Using Windows Explorer to create a directory tree as follow: EXERCISE 2 25

Open a program 26

Window explorer 27

Window explorer 28

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Session 2 INTERNET AND SERVICES by Nguyễn Thanh Tùng Web:

OBJECTIVES  Understand Internet, Web Concepts  Web browser  Internet services  Search   Social network  Blog  Wiki  Chat 32

OBJECTIVES  E-commerce model:  B2C  C2C  B2B 33

INTERNET  The global computer network  Was first run in 1969 in the U.S., under the name ARPANET  Number of users: 1966 mils ( in 6/2010, by Internetworldstats) 34

INTERNET– STATISTICS The number of Internet users in 2009 The number of Internet users in Asia in 2009 Users in countries in Asia in 2009 (Copyright 35

INTERNET CONNECTION  Internet Service Providers (ISP) is commercial company providing Internet connection to personal and organization  ISP in Việt Nam:  FPT Telecom  VDC  Vietel Telecom 36

WORLD WIDE WEB (WWW)  Protocol provides access to hypertext (http) documents on the Internet  Invented by Tim Berners-Lee in CERN 1991Tim Berners-Lee  Is the most important service for booming of Internet and Information technology 37

WEB BROWSER  Software that implements WWW  Allows users to access Web  Operate by translating HTML into a Web page (Text, visual, audio)  Popular web browser:  Internet Explorer  Mozilla Firefox  Apple Safari  Google Chrome  To surf web, users need to enter URL of Web on the browser. 38

URL- UNIFORM RESOURCE LOCATOR  Standard form for Web address  Example:  Include 2 components:  Protocol: http, ftp, …  Domain name Domain nameProtocol 39

INTERNET SERVICES Search Social network Blog Wiki Chat E-commerce 40

INTERNET SEARCH ENGINE  Website helps you locate information on the Internet by showing you the site that contains that information  Based on keyword search) 41

INTERNET SEARCH ENGINE  Popular tools:  Google (  Bing (  Yahoo search ( 42

SERVICE  Is a service that allows users to send and receive mail (electronic form) through the network  Each user has a mailbox  Each mailbox will correspond to a single address AccountDomain name Free service: Google mail, Yahoo mail … 43

COMPONENTS  Header  Address (to/cc/bcc)  Subject  Attachment  Content (message)  Signature 44

SOCIAL NETWORK  Internet services connect users to share information  The highest number of users today  Forexample  Facebook, …  Zing Me, … 45

BLOG  Blogs are web services that allow users to reflect, share ideas on a common topic  Like an online journal by posting and writing comment  Person write blog is called blogger  Example:  Opera, Twitter 46

WIKI  Wikipedia is largest knowledge website at present, supports most common languages (including Vietnamese) Wikipedia  Website allows users to modify the article content  Wikipedia Vietnam:  Companies, businesses, schools often maintain internal wiki system 47

E-COMMERCE  Is a term showing sell or buy by Internet  The website allows users to purchase is known as e-commerce sites  Professional website:  Ebay  Amazon ……  Basic e-commerce model:  B2C : Business to consumer  C2C : Consumer to consumer  B2B : Business to business 48

B2C- BUSINESS TO CONSUMER  Model for electronic commerce between businesses and consumers  Each company will maintain websites containing information on goods and consumers can buy / make a purchase directly from this website  E.g.:  Amazon.com  Drugstore.com  Beyond.com 49

C2C – CONSUMER TO CONSUMER  E-commerce model to support the sale between individuals  For example:  Raovat.vn Raovat.vn  Vatgia.com/raovat Vatgia.com/raovat  Raovat123.com Raovat123.com 50

B2B – BUSINESS TO BUSINESS  Model of electronic commerce between businesses together  For example: Dell provides computer and services for more than organizations (theo wikipedia) 51

SUMMARY  Internet and Web  Internet services  E-commerce and models 52