Computer

Computer

1. History

   • Invented in 1943 by Tommy Flowers
   • Was desiqned for the British army
   • Use to break the codes used by German army
   • Called Colossus (BIG)
   • 1971 intel 1 er microprocessor (small)
     • Mean
       • Cheaper
       • Smaller
   • 1980
     • IBM
     • APPLE
       • Producing personal computer
         • PC
           • Produce documents play games
           • Had
             • Screen
             • Keyboard
             • Joystick
           • Used in
             • Office
             • Homes

2. Definition

   • Is a machine
   • Work in the same way
     • Input > Process > Out Put

3. Types

   • General purpose machine (mobile phone)
   • Special purpose machine (GPS)