1. The History Of Computer By Janisse Kadima

2. 1939 David Packard and Bill Hewlett were the fore- founder of the Hewlett-Packard they produce the first HP 200A Audio Oscillator and it become the most popular equipment. Walt Disney Pictures ordered eight of the 200B model

3. 1960 The DEC’s PDP-1 was sold for $120,000 The PDP-1 needed no air conditioning and required only one operator MIT created the first computerized video game SpaceWar

4. 1970 Computer-to-computer communication expanded when the department of defense established four nodes on the ARPANET The University of California Santa Barbara and UCLA, SRI international and the University of Utah

5. 1980 Hard disk are an essential part of the computer revolution, allowing fast, random access to large amounts of data. The Model stored 2.5 GB of data, later model extended this to 20GB