Post on 16-May-2015
description
Introduction to Computers & Computing
Computer Science A110
Lecture 1: HardwareJanuary 20, 2010
JoAnn E. Bushiueprof@gmail.com
OverviewExpectations
You are expected to attend all lectures and workshops, complete 7 Problem Sets, 5
Workshop Labs, and two exams.
OverviewLectures
HardwareSoftwareInternetMultimediaSecurityDatabases & Information SystemsIntroduction to Programming
OverviewWorkshops
Microsoft Word 2007Your Lab Fees at WorkIUCat, ILLIAD, & Red Hot DragonsMicrosoft Excel 2007Microsoft PowerPoint 2007
BooksHighly Recommended
Using Information Technology, 8e
Teach Yourself VISUALLY Computers
How the Internet Works
eBooksHighly Recommended
Microsoft Office Word 20007 Step-by-StepMicrosoft Office Excel 2007 Step-by-StepMicrosoft Office PowerPoint 2007 Step-by-StepPowerPoint 2007 Bible
All the above listed books are available via the IUE Online Library, Books24x7
OverviewVideos of the Week
Changing PC BIOS SettingsDissecting a PCPlugging Everything InUpgrading a PCUpgrading RAMBrowser WarsFinding & Installing Windows UpdatesMacs versus PCs
OverviewMore Videos of the Week
Hosting OptionsRegistering a Domain NameShopping OnlineTreasure HuntingHTTPTCP/IPWeb ServersAlien TechnologyDigital EntertainmentHome Networking
OverviewEven More Videos
Buying a Digital CameraDigital PhotographyEditing Digital ImagesSharing Digital MediaGoogle EarthiMoviePhotoshopUsing a Digital Video cameraWindows Movie Maker
OverviewAnd, As If That Isn’t Enough…
Desktop FirewallsDisinfecting a PC: Ad-AwareDisinfecting a PC: SpybotCreating a Boot DiskDan’s Soapbox: Safe ComputingPhishing TripsWiping a DiskBad Ideas in TechnologyDot BombsKeeping it RunningPunch Card Technology
OverviewAnd, if you’re not excited yet, how about…
GamingGeek ChicSocializing OnlineTech ToysBrowser ExtensionsBrowser WalkthroughJavaScriptWeb-based Applications
OverviewGrades
Problem Sets 30%
Workshop Labs 30%
Exam 1 20%
Exam 2 20%
OverviewWeb Site
http://mypage.iu.edu/~joebush/2010/home.html
OverviewContact
Personal email: joann.bush@gmail.com
Course email: iueprof@gmail.com
AgendaComputationOverviewBits and BytesBinary NumbersASCII
Computation
Computation
Image from: http://blogs.pitch.com/plog/abacus.jpg
Computation
Computation
Calculations
Computation
Computation
ComputationBase -10 Base-2
0
1
2
3
4
5
6
7
…
15
…
255
256
Computation
Bits and Bytes
Unit Abbreviation Definition
bit b 0 or 1
byte B 8 b
1,024 B
1,048,576 B
1,073,741,824 B
1,099,511,627,776
ASCII
ASCII