"We might sometimes complain about the limitations of today's technology, but 
there's nothing like seeing photos of a 27Kg hard drive with a capacity of 5MB 
to put things into perspective. PC Authority has toured the Computer History 
Museum in California, and has posted these fascinating photos, including 
monster 27Kg and 60Kg drives, and a SAGE air-defense system. Each SAGE housed 
an A/N FSQ-7 computer, which had around 60,000 vacuum tubes. IBM constructed 
the hardware, and each computer occupied a huge amount of space. From its 
completion in 1954 it analyzed radar data in real-time, to provide a complete 
picture of US Airspace during the cold war. Other interesting photos and trivia 
include some giant early IBM disc platters, and pics of a curvaceous Cray-1 
supercomputer, built in 1972. It was the fastest machine in the world until 
1977 and an icon for decades. It cost a mere $6 million, and could perform at 
160MFLOPS — which your phone can now
 comfortably manage."
Just in case the above link does not work try 
this:<http://www.pcauthority.com.au/Gallery/153867,computer-history-museum-photo-gallery-weird-fascinating-photos-including-a-giant-cray-and-a-60kg-hard-drive.aspx/1>


    
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