Transcript Today`s Topics

Today’s Topics
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Chapter 1: Computers & You
Spotlight 1: Ethics
Spotlight 4: File Management
Chapter 1: Computers &
You
Computer Fundamentals
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Computer: a machine that performs the
information-processing cycle
• Input: getting data into the computer
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Keyboard, Mouse, Microphone, Disk Drive, Scanner, Digital
Camera
• Processing: transforming data into information
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Central Processing Unit (CPU) or Processor, Random Access
Memory (RAM)
• Output: displaying information
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Monitor, Printer, Speaker
• Storage: holding programs and data for future use
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Hard Disk Drive, Floppy Disk, CD-ROM, DVD-ROM
• (Communications: moving data between computers
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Modem)
RAM
Computer Fundamentals
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Computer System: a collection of related
components designed to work together
• Hardware: physical component
• Software: program
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System Software: program that helps the computer
function properly
• Operating System (OS): MS, Mc, Unix, Linux
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Application Software: program that performs a task
• Word Processing, Spreadsheet, Database, Presentation,
E-Mail, Web Browser
Types of Computers
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For Individuals: PC, Desktop Computer,
Notebook Computer, Laptop Computer,
Subnotebook Computer, Tablet PC, PDA,
All-In-One Computer
For Organizations
• Server: computers that make programs and
data available to people who are connected to
a network
• Mainframe: designed to handle huge data in
large organizations
Subnotebook Computer
Tablet PC
PDA
All-In-One Computer
Spotlight 1: Ethics
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Ethical Principle: the justification for
considering an act or a rule to be
morally right or wrong
Netiquette: specific behavior
guidelines for computer and Internet
users
Plagiarism: the use of someone
else’s intellectual property
Spotlight 4: File Management
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File-Naming Conventions
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.exe: program or application
.doc: MS Word
.xls: MS Excel
.ppt: MS PowerPoint
.mdb: MS Access
.pdf: Adobe Acrobat
.txt: ASCII text
.htm or .html: Web pages
.rtf: Rich Text Format
.jpeg or jpg: picture or image
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File Management Utilities
• Formatting
• Creating Folders
• Transferring Files
• Backing Up
• Getting Help
• Saving Files