We all use computers but do we take the operating systems that we use everyday for granted? From Xerox first Graphical user interface and mouse input system, to Apples Machintosh, all the way to Windows 8 and Android, this is the story of the history of operating systems. \r
\r
SUBSCRIBE TO THIS YOUTUBE CHANNEL: \r
\r
KEEP UP ON SOCIAL MEDIA:\r
Twitter : \r
Facebook : \r
Google+ : LACK78: \r
Google+: Computing Forever: \r
ALL MY TECH BLOGGING NEWS CONTENT:\r
\r
MORE VIDEO AWESOMENESS:\r
