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HARDWARE (week 6) (Early concepts (Charles Babbage (1791-1871) (1st…
HARDWARE
(week 6)
Early concepts
Charles Babbage (1791-1871)
1st automatic computing engines
'Difference engine'
'Analytical engine'
'Difference engine no.2'
US CENSUS
Punch Cards
Government improvements
The Demands of War
Enigma vs. Lorenz
Enigma - 26 letter alphabet codes
Lorenz - Mathematical equations
More advanced and secure
Colossus
Tommy.H.Flower
Large- scale electronic digital computer
ENIAC to UNIVAC
Commercial computers
US CENSUS bought UNIVAC
IBM domintes
Denied by military
Silicon Valley & A Fumbled Future
Intel
Fetch
decode
execute
output
Micropocessor
Size decreases, capability increases
Xerox, Apple, Microsoft
Inventing the Digital
Atanasoff and Berry
ABC
'on and off' (1 and 0)
Electronic pulses
Capacators
Regenerative process
Solve equations automatically
The Dawn of Digital Business
J. Lyons and Co.
Largest catering food company
First business computer 'LEO'
'LEO Computers Ltd.'