1.  Lesson 02: Hardware

2. What Can a Computer Do? A computer can play music – iPod nano 8 GB ($120) A computer can play TV Shows – 10-Inch Television ($130) A computer can play movies. – DVD Player ($40) A computer can play games. – Xbox Arcade ($200)

3. Computer Do Even More Size of Wikipedia in English If Printed (1.2 TB) Calculators, Word Processors, Image Editing, Animations, Film Editing, Slide Presentations, Web Design, Web Browsing, Programming, Simulations, Virtual Reality, Research, Streaming Video, Streaming Audio, File Transfers, E-Mail, Photo Albums, DVD Burning,

4. Memorize  3.1415926535897932384626433832795028841971693993751058209 749445923078164062862089986280348253421170679821480865 132823066470938446095505822317253594081284811174502841 027019385211055596446229489549303819644288109756659334 461284756482337867831652712019091456485669234603486104 543266482133936072602491412737245870066063155881748815 209209628292540917153643678925903600113305305488204665 213841469519415116094330572703657595919530921861173819 326117931051185480744623799627495673518857527248912279 381830119491298336733624406566430860213949463952247371 907021798609437027705392171762931767523846748184676694 051320005681271452635608277857713427577896091736371787 214684409012249534301465495853710507922796892589235420 199561121290219608640344181598136297747713099605187072 113499999983729780499510597317328160963185950244594553 469083026425223082533446850352619311881710100031378387 528865875332083814206171776691473035982534904287554687 311595628638823537875937519577818577805321712268066130 019278766111959092164201989

5. Speed  http://www.youtube.com/watch?v=HiliHq8phgE

6.  is an Important Number The ratio of a circle’s circumference to its diameter. A circle with a diameter of 1 has a circumference of  But We Don’t Want to Have to Memorize It

7. A Computer is a Cognitive Prosthesis Air Traffic Control Long Distance Phone Calls Computer-Generated Imagery (CGI) Human Genome Project Large Hadron Collider (LHC) Computer Simulations

8. Human Computers

9. Other Kinds of Computers Abacus Virtual Abacus can be found at: http://www.tux.org/~bagleyd/java/AbacusApp.html

10. Other Kinds of Computers Astrolab

11. The Difference Engine http://www.youtube.com/watch?v=dnxylAJ0M9Q Babbage Difference Engine

12. ENIAC The First General-Purpose Electric Computer (200kHz) Modern Desktops have 1,000 Times the Computing Power And Millions of Times the Storage Capacity

13. UNIVAC 2.28 MegaHertz (MHz) Processor http://www.youtube.com/watch?v=FMXT4f8C63A Remington Rand UNIVAC Commercial

14. Other Kinds of Computers Slide Rule Virtual Slide Rule http://sliderulemuseum.com/SR_Course.htm

15. Cray Computer 80-105 MHz Made Animations for Tron (1982)

16. Scientific Calculator 6 MegaHertz (MHz) Processor There’s a Scientific Calculator on your computer.

17. Cell Phone 600 MegaHertz (MHz) Processor, 256MB Ram

18. Modern Desktop 2.5 GigaHertz (GHz) Processor, 1-2 GigaBytes of RAM

19. The Kraken 1 Petaflop (1,000,000,000,000,000 Calculations Per Second)

20. Lab: Dissecting a Computer

21. Motherboard

22. Central Processing Unit (CPU)

23. Random-Access Memory (RAM)

24. Read-Only Memory (ROM)

25. Tape Drive

26. Hard Drive

27. 1GB Then and Now

28. Other Persistent Storage Devices Compact Discs (CDs): 700MB Digital Versatile/Video Disc (DVD): 5 – 9.4 GB Solid-State Drive / Flash Drive (Thumb Drive): 1 – 16 GB

29. Networking Wireless Router

30. Peripherals Keyboard Mouse Monitor Scanner Webcam Camera Printer Speaker

31. Keyboard Karate GeneralWindowsText EditingWeb BrowserAdvanced HOMEWindow KeyCTRL-C, CTRL-VALT-HOMEALT-PrtScn INSERTALT-TABCTRL-X, CTRL-VALT-LEFT ARROWCTRL-ALT-DEL DELETEALT-SHIFT-TABCTRL-ZALT-RIGHT ARROW PAGE UPCTRL-ACTRL-F5 PAGE DOWNCTRL-F CTRL-N CTRL-T CTRL-TAB TAB Tab is Especially Important for Users with disabilities.

32. Typing Bookmarks Table of Keyboard Shortcuts http://en.wikipedia.org/wiki/Table_of_keyboard_shortcuts Learn Touch Typing http://www.sense-lang.org/typing/ Typing Games http://www.onlytypinggames.com/ Speed Typing Test http://10-fast-fingers.com/