1 All about Me n Bettina Bair n Faculty Lecturer, Ohio State University u Internet & HTML u Spreadsheets (Microsoft Excel) u Databases (Microsoft Access) u Assembly Language & Computer Systems u Systems Analysis 25 years of interesting problems

2 122 Years of Amazing Computers “Sherman set the WayBack Machine to the year 1890…”

3 1890: The First Computer n Hollerith Tabulating System n Census Counter n Hollerith's Business Joined A Firm That Later Became IBM.

4 1945: The First Modern Computer n ENIAC u Electrical Numerical Integrator And Computer n Built To Compute Ballistics Tables During World War II. u 1,000 Times Faster Than Any Existing Device. n Cost About $400,000

5 1947: The First Computer Bug n Dead Moth Found In A Computer n Dead Moth Found In A Computer u Causes malfunction n Engineers taped into their notebook n Engineers taped into their notebook n "Bug" And "Debug" Now A Standard Part Of The Language

6 1953: The first compiler n Invented by Grace Hopper ( ) n Translates English Language Instructions Into Language Of The Target Computer n Led To The Development Of Cobol.

7 1978: My First Computer Class n Programming Language: FORTRAN n Punched Cards

8 1979: My First PC n Vic-20 n Mhz n 3.5kb RAM n Tape Drive Today’s computers: 2+ Ghz and up to 64 Mb RAM

9 1980: First Computer Job n Interactive Graphics Engineering Laboratory u University of Arizona n Finite Element Analysis for Aerospace There was no such thing as a mouse, screen icon, or GUI.

: Second Computer Job n Arizona Criminal Intelligence System Agency n Database Analysis u Organized Crime u Chop Shop A gigabyte of disk storage took a 8' tower of Winchester disk drives stacked floor to ceiling.

: Lots of Lines of Code n Hughes Aircraft u Improve efficiency of large scale IBM systems u Integrate new graphics technology The computer operators didn't trust any data that wasn’t on punched cards (because it wasn’t real)

: Macintosh n Revolutionary Graphical User Interface (GUI). u A Device Called A Mouse u Pictorial Symbols (Icons) On The Screen. u Select Commands, Call Up Files, Start Programs, Etc. n Original Selling Price: $2,495

: Signal Processing n Cranfield-Phoenix Data Systems u Filtering and Conditioning u Signal Analysis

: New Technologies Create New Opportunities n U S WEST u Telecommunications u Installation and Repair of telephone cables, switches, radio towers Using Excel a lot now

: Internet n from User to Builder n VONBAR Enterprises u Designing Websites for Small Businesses HTML Writers Guild International Directory of Women Web Designers Top 5% Web Designers- EG Web Top Vendor award- Mall park HTML Writers Guild International Directory of Women Web Designers Top 5% Web Designers- EG Web Top Vendor award- Mall park

: The Return to the First Computer Class Computers are cool.

17 Test Your Knowledge How much do you know about computer basics?

18 Would you buy this computer?

19 Would increasing RAM 1. make your word processor run faster? 2. Allow you to run bigger applications? 3. Let you keep more programs open? 4. Give you more space for MP3s and pictures? 5. Download web pages faster?

20 Would increasing the speed of your CPU? 1. make your word processor run faster? 2. Allow you to run bigger applications? 3. Let you keep more programs open? 4. Give you more space for MP3s and pictures? 5. Download web pages faster?

21 What would give you more space for MP3s and pictures? 1. A faster modem 2. A bigger hard drive 3. More RAM 4. A faster processor

22 What would help you download web pages faster? 1. A faster modem 2. A bigger hard drive 3. More RAM 4. A faster processor

23 How much storage is enough? n How many bytes are needed to store your first name? n How many times could you store your first name u In a kilobyte? u On a 1.44MB floppy? n How big is a u Typical picture? u Sound file?

24 What kind of computer do you have? n What speed is the processor? n How big is the hard disk drive? n How big is the RAM? n How fast is the modem? n Price?