1. Agenda Last class: Computer Hardware Today: –Typing for 10 minutes –Computer Software –Journal 2 homework

2. 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

3. 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

4. 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 programs inefficient

5. 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

6. 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

7. 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

8. 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

9. Driver = Software for using Hardware Before you can use your new hardware with the computer, you need to install a DEVICE DRIVER Newer devices are “plug and play”

10. Install Install = set up the software so it can work Choose where to put it. Folder or Directory Copyright

11. What is the most used software?

12. Email: Most used software Email address: username@domain.typeusername@domain.type Reply, Reply All Forward (send to another person) Cc = carbon copy BCc = blind carbon copy Subject Attachment Signature

13. Etiquette (manners) Don’t use fancy pictures and font – slow Don’t use rude, bad words DON’T USE ALL CAPITALS: SHOUTING Don’t send BIG file attachments – slow Don’t reply / forward to people who don’t care Don’t send SPAM = junk email

14. How is talking on Email or QQ different from talking in real life?

15. Email (or QQ) vs Real Life No body language –Jokes may sound like insults –Emoticons like : ) or : ( can help More time to reply Bad grammar “u got pwned by ur leets lol” Less security –Replies are saved forever –A third party may read it

16. 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

17. File Extensions Filename.extension –Eg: thispresentation.ppt Extensions give you information about the file! How many extensions do you know?

18. Extension & File Type AVIBAKBATBMPCFGDAT DLLDOCEXEFLVGIFHLP HTMINIJPGJPEGJAVALOG MIDIMPEGMP3PDFPICPNG PPSPPTRARRTFSAVSYS ZIPTMPTXTWAVWMVXLS EDUGOVORGNETCOM