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Lesson 1
INFORMATION TECHNOLOGY AND WIN-XP
by Nguyễn Thanh TùngEmail: [email protected]
Web: http://khoaquocte.vn/Article/Index/405
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
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IT CONCEPTS
Information systems (IS) are network of computer used to store / process and transmit information
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Information technology (IT) is the area of technology including computer software, information systems, computer hardware, programming languages.
IS COMPONENTS
HumanProceduresHardware
Software Data Connections
(e.g. network)
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HUMAN
To use / develop information systemsUsers and developersFor examples:
Person sell / buy using Internet Administrators work database to store and retrieve information Students use of online learning systems
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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
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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
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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
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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)
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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
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MOTHERBOARD
Is the "brain" of the computer Contains the most important 2 components:
Processor (CPU) Memory
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INPUT AND OUTPUT
Input Mouse Keyboard Scanner Microphone
Output Printer Speaker …
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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
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CONNECTION DEVICES
Device to connect to Internet or between computers
For example: modem,
USB, Router, Switches …
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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
Information System
CuộiToán 10Văn 7Lý 10Hóa 1
CuộiToán 10Văn 7Lý 10Hóa 1
Điểm trung bình của Cuội: 7Điểm trung bình của Cuội: 7
Data
Information
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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
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Operating system (OS)
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OS roles
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Basic action
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MAIN SCREEN
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Stop/logout
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Storage
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Path\tree diagram
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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
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Using Windows Explorer to create a directory tree as follow:
EXERCISE 2
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Open a program
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Window explorer
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Window explorer
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Session 2
INTERNET AND SERVICES
by Nguyễn Thanh TùngEmail: [email protected]
Web: http://khoaquocte.vn/Article/Index/405
OBJECTIVES
Understand Internet, Web Concepts Web browser Internet services
Search Email Social network Blog Wiki Chat
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OBJECTIVES
E-commerce model: B2C C2C B2B
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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)
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INTERNET– STATISTICS
The number of Internet usersin 2009
The number of Internet users in Asia
in 2009
Users in countries in Asia in 2009
(Copyrightwww.Internetworldstats.com)
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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
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WORLD WIDE WEB (WWW)
Protocol provides access to hypertext (http) documents on the Internet
Invented by Tim Berners-Lee in CERN 1991
Is the most important service for booming of Internet and Information technology
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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.
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URL- UNIFORM RESOURCE LOCATOR
Standard form for Web address Example: http://www.khoaquocte.edu.vn/ Include 2 components:
Protocol: http, ftp, … Domain name
http://www.khoaquocte.edu.vn/
Domain nameProtocol
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INTERNET SERVICES
• Search
• Social network
• Blog
• Wiki
• Chat
• E-commerce
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INTERNET SEARCH ENGINE
Website helps you locate information on the Internet by showing you the site that contains that information
Based on keyword search)
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INTERNET SEARCH ENGINE
Popular tools: Google (www.google.com) Bing (www.bing.com) Yahoo search (http://search.yahoo.com/)
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EMAIL 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
Account Domain name
Free email service: Google mail, Yahoo mail …
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EMAIL COMPONENTS
Header Address
(to/cc/bcc) Subject Attachment
Content (message) Signature
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SOCIAL NETWORK
Internet services connect users to share information The highest number of users today
Forexample Facebook, … Zing Me, …
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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
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WIKI
Wikipedia is largest knowledge website at present, supports most common languages (including Vietnamese)
Website allows users to modify the article content Wikipedia Vietnam: http://vi.wikipedia.org/wiki Companies, businesses, schools often maintain internal
wiki system
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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
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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
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C2C – CONSUMER TO CONSUMER
E-commerce model to support the sale between individuals
For example: Raovat.vn Vatgia.com/raovat Raovat123.com
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B2B – BUSINESS TO BUSINESS
Model of electronic commerce between businesses together
For example: Dell provides computer and services for more than 100.000 organizations (theo wikipedia)
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SUMMARY
Internet and Web Internet services E-commerce and models
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