-
Charles Babbage
First automatic calculator
Analytical engine -
Herman Hollerith
Tabulated Machine
U.S. Cencus Bureau -
Z1 Computer
Created by Konrad Zuse.
Mechanical calculator
Inculded control unit and separate memory -
Eniac
First successful high speed elcontrionc digital computer.
used 1800 vaccum tubes and was 1800 sq ft -
1st Generation Computers
Vaccum tubes to store data -
2nd Generation computers
Uses transistors to store data. -
Univac
Universal Automative Computer
First computer to operate on magnetic tape
Considered to be 1st generation.
Never Sold -
Jack Kilby
Created intergrated circuits.
enabled computers to become smaller and lighter.
3rd Generation -
3rd Generation Computers
Used intergrated circuits -
BASIC
Beginners All Purpose Symbolic Instruction Code
Key language for PC
Created Microsoft -
4th Generation Computers
Microprocessors chips -
Introduction of the GUI
Graphical User Interface.
Easier interaction.
Not invented by computer people.
Apple used it first. -
Altair
First personal computer
No keyboard or monitor
$395 -
Steve Jobs
Created Apple -
Apple 2
Included color monitor, sound, game, and own storage. -
Visicalc
1st Elctronic spreedsheet application -
WordStar`
1st Word processing application -
Bill Gates
Developed MS-DOS -
Osborne Computer
First portable computer
24.5 lbs -
PageMaker
1st Desktop publishing software -
Excel
1st Spreedsheets to tuse graphical user interface. -
Mosaic
Increased internet traffic by 350% -
Netscape
Wed browser
Became free in 1998