Agenda

• Last class: Computer Hardware

• Today:– Typing for 10 minutes– Computer Software– Journal 2 homework

Software

• Software = Programs = Applications

• To run your hardware

• To play videos, music, games, go online, etc.

• What is the most important software in your computer?– Operating System

Software

• Operating System (OS)– DOS (Disk Operating System)

• First OS (1980’s)• Run cmd (command prompt)• Modern computers boot to DOS if no other OS• No Graphic User Interface (GUI) – need to know

commands

Software

• Operating System (OS)– DOS (Disk Operating System)– Microsoft Windows (1992)

• 3.1 popularized personal computers• 3.1, 95, 98, 2000, XP, Vista• GUI makes it easy to use• Most popular• Lots of hardware• Bugs, low security

useless programsinefficient

Software

• Operating System (OS)– DOS (Disk Operating System)– Microsoft Windows (1992)– Apple (Mac)

• Main competitor of MS Windows• Fewer viruses, secure, stable• Compatible with other Apple products

– iTunes, iTouch, iPod, iPhone, iPad, etc

• Easier to set up• More expensive• Fewer hardware / software

Software

• Operating System (OS)– DOS (Disk Operating System)– Microsoft Windows (1992)– Apple Mac– Unix

• Used in government, university• Great for managing lots of data• Not as easy to use for office applications

Software

• Operating System (OS)– DOS (Disk Operating System)– Microsoft Windows (1992)– Apple Mac– Unix– Linux

• Open source, anyone can make software – versatile• Free• Fewest bugs, very stable• Very technical and complex, hard to learn

Choosing your OS

• Windows vs Mac is most common

• You can use more than 1

• Each OS is better at doing certain things– Windows is good for business, MS Office– Macs are good for multimedia– Unix is good for data management– Linux is good for customizing to any task

Install• Install = set up the software so it can work

Choose where to put it.

Folder or Directory

Copyright

What is the most used software?

Email: Most used software

• Email address: username@domain.type

• Reply, Reply All

• Forward (send to another person)

• Cc = carbon copy

• BCc = blind carbon copy

• Subject

• Attachment

• Signature

Journal Claswork

• What software (10) do you use in your home computer?

What software what for

• Format: jounal (100 words)

• Subject: My software

• Due: today

File Extensions

• Filename.extension– Eg: thispresentation.ppt

• Extensions give you information about the file!

• How many extensions do you know?

Extension & File TypeAVI BAK BAT BMP CFG DAT

DLL DOC EXE FLV GIF HLP

HTM INI JPG JPEG JAVA LOG

MIDI MPEG MP3 PDF PIC PNG

PPS PPT RAR RTF SAV SYS

ZIP TMP TXT WAV WMV XLS

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