computer concepts intro
DESCRIPTION
This is the slides that I use to introduce computers and computing to my Computer Concepts and Applications students at Moline High SchoolTRANSCRIPT
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Computer Concepts
Chapter 1
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Overview
Explain Computer Literacy
Define Hardware & Software
Identify Computer Components
Differentiate Various Software Types
Differentiate Computer Platforms
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A World of Computers
Notable Technology Prognostications“I think there is a world market for
maybe five computers.” Thomas Watson, Chairman of IBM, 1943
“Computers in the future may weigh no more than one and a half tons.” Popular Mechanics, 1949
“There is no reason anyone would want a computer in their home.” Ken Olson, President of DEC, 1977
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A World of Computers
Computer UseEverywhere
Impact Virtually Everyone Creation, Collection, Dissemination
Price/Power Competition
Computer Literacy Understanding of Computers and Their Uses
Technical Knowledge Not Required
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What Is A Computer?
Computer DefinitionElectronic Machine
Controlled by Instructions in its Own MemoryAccepts Data
Raw Facts, Figures, & SymbolsProcesses Data Into Information
Data that is Organized, Meaningful, and UsefulProduces & Stores Results
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What Is A Computer?
Information Processing Cycle
Input — Accepts DataProcessing — Manipulate DataOutput — Produce ResultsStorage — Store ResultsCommunication — Send Results to Others
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What Is A Computer?
Hardware & Software
Hardware
Electronic & Mechanical Equipment
Software
Instructions that Tell Hardware How to do Tasks
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Hardware
Common Hardware Components
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Hardware
System Unit
Box-like Device
Contains Electronic Components
Connected to Motherboard
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Hardware
Input DevicesUsed to Enter Data & Instructions
Keyboard Mouse Scanner Digital Camera Video Camera Microphone
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Hardware
Processing
Memory Temporary Storage for Data & Instructions
Central Processing Unit (CPU) Carries Out Instructions Tells Computer What to Do
Attached to Motherboard
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Hardware
Output Devices
Conveys Information to User
Monitor
Printer
Speakers
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Hardware
Storage
Holds Data & Instructions for Future Use Media
Physical Material
Device
Reads / Writes Data
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Hardware
Communications Devices
Establishes Connection Between Computers
Use Telephone Lines, Cables, & Satellites
Modem
Converts Digital Signals to Analog & Vice Versa
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Hardware Networks
Collection of Connected Computers / Devices Share Resources
Hardware Software Data & Information
Save Time & Money Internet
Worldwide Network Linking Millions of Computers
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Software
Systems SoftwareControls Computer Operations & HardwareOperating System
Set of Programs Coordinates Activities Among Hardware Devices Allows Users to Run Application Software
Utility Programs Allow Users to Perform Maintenance-type Tasks
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Software
Application Software
Performs Specific Tasks for Users Word Processing Spreadsheet Database Presentation Personal Information Management (PIM)
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Software
Installation
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Software
Programs
Series of Instructions
Tells Computer What to Do
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Advantages & Disadvantages
Computer Advantages
SpeedReliabilityConsistencyStorageCommunications
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Advantages & Disadvantages
Computer Disadvantages
Violation of PrivacyCrime Impact on Labor ForceHealth Risks Impact on Environment
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Platforms
Personal Computers
Desktops
PCs & Compatibles
Windows OS
Apple
Macintosh OS
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Platforms
Personal Computers
Notebook
AKA Laptop
Tablet
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Platforms
Mobile Computers
PDA
Smart Phone
Handheld
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Platforms
Computer Platforms
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Industry Applications
EducationDistance Learning
FinanceOnline Banking & Investing, Tax Prep
Government911 Dispatching, Squad Notebooks
HealthcareElectronic Patient Records, PPID
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Industry Applications
ScienceCollect, Analyze, & Model Data
PublishingE-books, PDF Manuals, MP3s
TravelNavigation Systems, Reservations, E-
tickets Manufacturing
Production, Inventory, Quality Control