1. Genesis Bautista 3 rd Period Mrs. Rhine

2. 1942 ABC Computer  Inventors: John Atanasoff and Clifford Berry built the first electronic computer. It represented computing, binary system or arithmetic, parallel processing, regenerative memory and computing functions. +/

3. 1962 IBM Mainframe 7094  September 1962,seven index registers, had a distinctive box on top that displayed lights for the four new index registers, (because earlier computers only had three index registers instead of seven.) Minor changes in the instruction formats, particularly the way the additional index registers were addressed, sometimes caused problems.

4. 1971 Datapoint 2200  Invented by Phil Ray and Gus Roche.  Built-in travel keyboard  CPU: 8 bit, made from standard TTL components.  RAM:2k, expandable to 16k  Storage: 2 tape drives

5. 1974 Mark-8 Minicomputer  Invented by Jon Titus  RAM:256 bytes  CPU:8008-MHz  Simple machine with a few IC’s  Only sold in kits  Also known as “Your Personal Computer”

6. 1981 IBM Personal Computer (IBM 5150)  Invented by Don Estridge who is also known as “Father of the IBM PC”  40k Read Only Memory  16k User Memory  Powered by 8088 microprocessor working in speeds measured in millionths of a second  Printing  Size of a portable typewriter

7. 1983 Apple Lisa Computer  CPU: Motorola 68000,5MHz  RAM:1meg  3 expansion slots and storage of 2 5-1/4 inch floppy drives  External 5 meg hard drive  Ports; 1 parallel,2 serial ports  “Lisa” was also the daughter of Apple co-Founder Steve Jobbs

8. 1985 Dell Turbo PC  Invented by Michael Dell  8088 processor that ran at 8MHz  Sold for $795  PC limited advertised it’s systems in national computer magazines for sale directly to consumers and custom assembled each ordered unit according to a selection of options

9. 2010 Apple Ipad  Browse the web, emails, photos, videos, music, games, e-books  1.5 pounds  Multi-touch  Watch movies, TV shows, rotates in my direction, touch keyboard and import photos from a Mac or digital camera  9.7 in. LED backlight display  Powered by an A4 chip

10. 3 rd Generation Mac Book Pro June 11 th 2012  Retina Display (High Resolution)  Unibody form factor  15 inch screen  Thunderbolt technology  RAM 8GB built in onboard  Intel HD Graphics  Replacement of hard-disk w/ solid-state

11. Dell XPS One 27 August 30 th 2012  8 on a 10 point touch display  Screen Quad HD resolution  16GB memory,2TB hard drive  Offers choice of Core i5 or Core i7 Ivy Bridge Processors  Wireless keyboard

12. My Sources  Computerhope.com  Aboutinventors.com  Dell.com  Apple.com  Microsoft.com  Greatachievements.com  Icfarticles.com  Techradar.com  Computerhistory.com