# data[].attributes.body
Input -Keyboard ,mouse ,touchscreen ,scanner , microphone

Storage - internal hard drive , sd cards, online cloud or drive , usb

Process - multiprocessor

Output - Speaker,monitor,screen,printout,out to internet.

# data[].attributes.body
Microprocessor a computer brain on a chip . Personal computer are now used in the household . Apple computer led the way.1972-present

# data[].attributes.body
Computer Chips Apple was introduced into the market. 1963-1971

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transistors! IBM used an assembly line to make computer . Texas Instruments started to design computers. 1956-1963

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vacuum tubes ! Maunchly and Eckert led the way and sold the 1st computers 1945-1966. WWI and WWII led the way

# data[].attributes.body
no electricity trying to make a calculator some invention never worked Charles Babbage was the father of computer 3000BC -1896AD.