Today’s TopicsToday’s Topics

Chapter 1: Computers & YouChapter 1: Computers & You Spotlight 1: EthicsSpotlight 1: Ethics Spotlight 4: File ManagementSpotlight 4: File Management

Chapter 1: Computers & Chapter 1: Computers & YouYou

Computer FundamentalsComputer Fundamentals Computer: a machine that performs the Computer: a machine that performs the

information-processing cycleinformation-processing cycle• Input: getting data into the computerInput: getting data into the computer

Keyboard, Mouse, Microphone, Disk Drive, Scanner, Digital Keyboard, Mouse, Microphone, Disk Drive, Scanner, Digital CameraCamera

• Processing: transforming data into informationProcessing: transforming data into information Central Processing Unit (CPU) or Processor, Random Access Central Processing Unit (CPU) or Processor, Random Access

Memory (RAM)Memory (RAM)• Output: displaying informationOutput: displaying information

Monitor, Printer, SpeakerMonitor, Printer, Speaker• Storage: holding programs and data for future useStorage: holding programs and data for future use

Hard Disk Drive, Floppy Disk, CD-ROM, DVD-ROMHard Disk Drive, Floppy Disk, CD-ROM, DVD-ROM• (Communications: moving data between computers(Communications: moving data between computers

Modem)Modem)

RAMRAM

Computer FundamentalsComputer Fundamentals

Computer System: a collection of related Computer System: a collection of related components designed to work togethercomponents designed to work together• Hardware: physical componentHardware: physical component• Software: programSoftware: program

System Software: program that helps the computer System Software: program that helps the computer function properlyfunction properly

• Operating System (OS): MS, Mc, Unix, LinuxOperating System (OS): MS, Mc, Unix, Linux Application Software: program that performs a taskApplication Software: program that performs a task

• Word Processing, Spreadsheet, Database, Presentation, Word Processing, Spreadsheet, Database, Presentation, E-Mail, Web BrowserE-Mail, Web Browser

Types of ComputersTypes of Computers

For Individuals: PC, Desktop Computer, For Individuals: PC, Desktop Computer, Notebook Computer, Laptop Computer, Notebook Computer, Laptop Computer, Subnotebook Computer, Tablet PC, PDA, Subnotebook Computer, Tablet PC, PDA, All-In-One ComputerAll-In-One Computer

For OrganizationsFor Organizations• Server: computers that make programs and Server: computers that make programs and

data available to people who are connected to data available to people who are connected to a networka network

• Mainframe: designed to handle huge data in Mainframe: designed to handle huge data in large organizationslarge organizations

Subnotebook ComputerSubnotebook Computer

Tablet PCTablet PC

PDAPDA

All-In-One ComputerAll-In-One Computer

Spotlight 1: EthicsSpotlight 1: Ethics

Ethical Principle: the justification for Ethical Principle: the justification for considering an act or a rule to be considering an act or a rule to be morally right or wrongmorally right or wrong

Netiquette: specific behavior Netiquette: specific behavior guidelines for computer and Internet guidelines for computer and Internet usersusers

Plagiarism: the use of someone Plagiarism: the use of someone else’s intellectual propertyelse’s intellectual property

Spotlight 4: File ManagementSpotlight 4: File Management

File-Naming ConventionsFile-Naming Conventions• .exe: program or application.exe: program or application• .doc: MS Word.doc: MS Word• .xls: MS Excel.xls: MS Excel• .ppt: MS PowerPoint.ppt: MS PowerPoint• .mdb: MS Access.mdb: MS Access• .pdf: Adobe Acrobat.pdf: Adobe Acrobat• .txt: ASCII text.txt: ASCII text• .htm or .html: Web pages.htm or .html: Web pages• .rtf: Rich Text Format.rtf: Rich Text Format• .jpeg or jpg: picture or image.jpeg or jpg: picture or image

File Management UtilitiesFile Management Utilities• FormattingFormatting• Creating FoldersCreating Folders• Transferring FilesTransferring Files• Backing UpBacking Up• Getting HelpGetting Help• Saving FilesSaving Files