common computer terminology
TRANSCRIPT
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Digital Literacy: Computer Basics
Essential Question:What are the functions and components of
operating systems, programs, and networks?
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HardwareThe components of the computerMade up of the following:
Input DevicesProcessing DevicesStorage DevicesOutput Devices
Hardware includes:Keyboard, mouse, motherboard, monitor, hard
disk drive, cables and printer
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CPUCentral Processing UnitThe brains of the computerProcesses input to perform calculations and
produce output
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MotherboardA large circuit board that connects input,
output, and processing devicesPathways that allow data to pass through
various componentsContains chips to determine how, when, and
where data can flow through the computer
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Computer NeedsTwo things computer need:
Hardware The physical parts of the computer
Software Instructions sent to hardware to perform tasks
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Operating System SoftwareThe most important software on the
computer (computer can not work without)What does it do?
Controls and manages hardwareProvides an interface that helps you interact
with the computerEnsures your computer is working properly
Example: Windows Vista
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Graphical User Interface(GUI)Used by most operating systemsDisplays images and pictures that allow you
to interact with a computer easily
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Updating SoftwareIt is important to keep your software up to
date.Keeping it up to date will keep the software
and new hardware compatible
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Computer PlatformIncludes Hardware and Operating System
SoftwareAllows for the use of Programs
AKA ApplicationsPerforms very specific tasks
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ApplicationsUsed for:
Writing lettersDoing calculationsSending E-mailCreating illustrations (drawings)Playing gamesWatching moviesCommunicating with other computers
Example: Mircrosoft Office Word 2007 (allows you to type a letter
Used to process data you provide as input
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DataInformation entered into the computerExamples:
TextGraphicsAudioVideo
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NetworksA group of computers and associated devices linked together to facilitate sharing information
Components:Server
Main computer on the network Provides services to other computers on the network Decides which computers have access to hardware and software on
the networkWorkstation
Computer connected to network Used to access hardware and software
Communication Channel Path or link that connect computers or peripheral devices (printers
and disk drives) to transfer data Cables are most common, but can be wireless
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Types of NetworksLAN
Local Area NetworkConnects computers within a limited areaExample: Home or small office group
WAN• Wide Area Network• Connects devices in a geographically separated area
• Connects two or more LANs• Example: Internet
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InternetWorldwide collection of public networks linked to each
other for information exchangeOriginally began to allow communication between the
government and educational departments in the United States
Services Provided:File transfersElectronic Mail (E-Mail)WWW (World Wide Web)Search and apply for jobsWatch moviesBuy and sell Products
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The World Wide WebSpecially formatted documents that are
interlinked and stored on servers around the world.
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IntranetType of network to communicate and share
information within an organization.Designed to be used by authorized users
(generally employees of a company)Smaller than the InternetServices Provided:
Document distributionSoftware distributionAccess to databasesTraining