The History of Computers
By: Adam Kershek
Grace Hopper
• On September 9th she recorded the first computer
bug.
• Developed the first compiler, A-O.
• Her work with languages lead to the creation of the
COBOL, a language in which operates on machines
of different manufacturers.
• She helped program the Harvard Mark I and II
Complex Number Calculator (CNC)
• Created by George Stibitz
• Finished in 1939
• He demonstrated the calculator at an
American Mathematical Society
conference
• The device amazed many at this
conference
• This event was the first demonstration of
remote access computing.
IBM 726
• Finished on May 21, 1952
• This was a magnetic tape that was able to
inexpensively store a large amount of
information.
• This device was very important to the computer
revolution.
• First high-speed magnetic tape system for
electronic digital computers
• Used a vacuum channel method which involved
a circle of tape revolving around two points, this
enabled the tape to stop and start.
• First sold with the Model 701 and could store 2
million digits per tape
UNIMATE
• First industrial robot
• Began its work at General Motors
• This Robot Obeys step-by-step
commands stored on a magnetic drum
• 4,000 pounds
• Stacks hot pieces of die-cast metal.