complus presentation internet
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COMPUTER PLUSSchool of IT
COMPUTER
PLUSSchool of Information TechnologyA.Y. 2011-12
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COMPUTER PLUSSchool of IT
Outline
Introduction to Computers
Windows and Internet
Word Processing Spreadsheets
Presentation Graphics
HTML
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COMPUTER PLUSSchool of IT
INTRODUCTION TO
COMPUTERS
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COMPUTER PLUSSchool of IT Computer System
Components Hardware
Equipment associated with the system
Software Instructions that tell the hardware what to do
People
Computer programmer: writes software User: purchases and uses software
Often called end-user
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COMPUTER PLUSSchool of IT Hardware: The Basic
Components of a Computer
What is a Computer?
Four primarycomponents:
Input devices
Processor
Output devices
Storage
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COMPUTER PLUSSchool of IT
Peripheral Devices
All hardware devices attached to thecomputer
Includes all input, output, and storage devices
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COMPUTER PLUSSchool of IT
Networking
Network: a system that usescommunications equipment to connectcomputers and their resources
Common network tools:
Local Area Network (LAN)
Modem
Electronic mail
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COMPUTER PLUSSchool of IT
The Internet
The largest and most far-flung network
Connects users worldwide
Not actually a network, but a collection ofthousands of networks
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COMPUTER PLUSSchool of IT
Getting Connected
To access the Internet, connect to a servercomputer
Server receives, processes, and transmits
information Computers use a standard to communicate
Need an Internet Service Provider (ISP)
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COMPUTER PLUSSchool of IT
Getting Around the Internet
Began as a means for Department ofDefense and its research institutions toshare information
Information was text-only
Commands to navigate were obscure
Now, much more visually based
Use browser to explore the Internet
World Wide Web
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COMPUTER PLUSSchool of IT
Classification of Computers
Personal Computers
Notebook Computers
Handheld Computers Midrange Computers
Mainframes
Supercomputers
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COMPUTER PLUSSchool of IT
Personal Computer System
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COMPUTER PLUSSchool of IT
Applications Software
Software used to solve a particular problemor perform a particular task
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COMPUTER PLUSSchool of ITOperating Systems for Personal
Computers
Platform: combination of computer hardwareand operating system software
Wintel(Microsoft Windows running on an Intel-based
PC) is most common Common Platforms
MS-DOS
Windows
MAC OS
Unix
Linux
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COMPUTER PLUSSchool of IT
Operating Systems for Networks
Network operating system (NOS)
Handles network functions
Make resources appear as though they wererunning from client computers
Common systems
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COMPUTER PLUSSchool of IT
WINDOWS AND
INTERNET
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COMPUTER PLUSSchool of IT
Starting Your Computer: The
Boot Process
User turns on the power to the PC and
monitor. PCs operating system is then loaded
into memory.
Appropriate desktop or other userinterface will be displayed.
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COMPUTER PLUSSchool of IT
Using the Windows Operating
System
Microsoft Windows uses a graphical user
interface (GUI) WYSIWIG = What You See Is What You
Get
Recent versions: Windows 95, Windows98, Windows 2000, Windows Me,Windows XP
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COMPUTER PLUSSchool of IT
The Windows Interface
Desktop
Windows
Menus Icons
Dialog boxes
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COMPUTER PLUSSchool of IT
Opening Windows and
Starting Programs Click a taskbar toolbar button.
Click a desktop icon if it looks like ahyperlink.
Double-click a desktop icon if it doesntlook like a hyperlink.
Click the Start button and then select thedesired program from the Start menu.
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COMPUTER PLUSSchool of IT
Manipulating Windows Active window
Minimizing and maximizing window
Resizing and moving window
Scroll bars
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COMPUTER PLUSSchool of IT
Shutting Down the Computer Standby modereduces power
consumption and wear-and-tear on thePC.
The computer should always be shut downthrough the Start menu.
The Shut Down dialog box can also beused to log off a network so another usermay log on, as well as to restart thecomputer.
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COMPUTER PLUSSchool of IT
INTERNET
The NETWORK of all computerNETWORKS
Connection ofcomputer network to
create a largernetwork
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COMPUTER PLUSSchool of IT
INTERNETBusiness Partner
Internet Services
LAN
Main Office
LAN
Internet Services
Branch Office
LAN
Wireless
Network
Remote User
Internet
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COMPUTER PLUSSchool of IT
1. Information, Information,Information
2. Ease of use3. Multimedia Cheap
4. Convenient
5. Cheap
Why is internet Popular?!?!?
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COMPUTER PLUSSchool of IT
1. E-mail
INTERNET SERVICES
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COMPUTER PLUSSchool of IT
2. FileTransfer
INTERNET SERVICES
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COMPUTER PLUSSchool of IT
3. Information Resources
INTERNET SERVICES
CO S
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COMPUTER PLUSSchool of IT
4. Internet Conferencing
5. Discussion Forum
6. Chatting
7. E-commerce
INTERNET SERVICES
COMPUTER PLUS
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COMPUTER PLUSSchool of ITHow do I start using Internet and
WWW ?
COMPUTER PLUS
http://www.neoplanet.com/site/products/browser.html -
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COMPUTER PLUSSchool of IT
COMPUTER PLUS
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COMPUTER PLUSSchool of IT
URL
COMPUTER PLUS
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COMPUTER PLUSSchool of IT
WEB ADDRESS/URL
COMPUTER PLUS
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COMPUTER PLUSSchool of IT
A collection of "pages" or
files linked together and
available on the
World Wide Web
WEB SITE
COMPUTER PLUS
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COMPUTER PLUSSchool of IT
A site that enables auser to locate informationon the Internet
SEARCH SITE
COMPUTER PLUS
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COMPUTER PLUSSchool of IT
example
1. Google.com
2. Yahoo.com3. Excite.com
4. Hotbot.com
SEARCH SITE
COMPUTER PLUS
Ad d S hi
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COMPUTER PLUSSchool of IT
1.AND or +
example
1. Projectile + Motion
2. Projectile And Motion
Advanced SearchingTechniques
COMPUTER PLUS
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COMPUTER PLUSSchool of IT
Projectile Motion
Advanced Searching Techniques
COMPUTER PLUS
Ad d S hi
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COMPUTER PLUSSchool of IT
2. OR
example
1.Vertical Motion
ORHorizontal Motion
Advanced SearchingTechniques
COMPUTER PLUS
Ad d S hi
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COMPUTER PLUSSchool of IT
Vertical Motion Horizontal Motion
Advanced SearchingTechniques
COMPUTER PLUS
Ad d S hi
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COMPUTER PLUSSchool of IT
2. Using ()
example
1.Vertical Motion
ORHorizontal Motion
1. ( Vertical ORHorizontal ) Motion
Advanced SearchingTechniques
COMPUTER PLUS
Ad d S hi
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COMPUTER PLUSSchool of IT
2. Not or -
example
1.Vertical Motion
NOTHorizontal Motion
1.Vertical Motion
-Horizontal Motion
Advanced SearchingTechniques
COMPUTER PLUS
Advanced Searching
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COMPUTER PLUSSchool of IT Advanced Searching
Techniques
COMPUTER PLUS
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COMPUTER PLUSSchool of IT
Seaching the WEBSUBJECT SEARCHING
KEYWORD SEARCHING
PEOPLE SEARCHING
GEOGRAPHIC SEARCHING
TIME SEARCHING
COMPUTER PLUS
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COMPUTER PLUSSchool of IT
Searching TIPSCome up with key identifying words or phrases that would
uniquely identify what you are trying to find and use thesein search engines.
Use bookmarks or "favorites" to quickly record the URL ofresources that interest you.
Use your information literacyskills to appropriatelyevaluate Internet-based information
Remember, everything changes on the Net.
Take note of resources that are listed or cited often inannotated listings of resources; these popular resourcesmay be very useful.
You can cite a Net resource in a paper; just include the URL
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