HPS202 Cross and Szostack, Computer
HPS202 Cross and Szostack, Computer

3 Pages
129 Views
Unlock Document

School
University of Toronto St. George
Department
History and Philosophy of Science and Technology
Course
HPS202H1
Professor
G.Garbutt
Semester
Fall

Description
Cross and Szostack Computerdate processing major problem by end of 19CE gov and companies need to store retrieve and computer large quantities of dataHollerith system of recording alphanumeric data by punching holes in card fed into machine electrical contacts register data Tabulating Machine Company sell equipment to companies and storeselectrically powered but calculations had to be performed mech by hand pressing keysslow and subject to human errordemands of uni and gov researchcomplex calculating machinesvacuum tubes improved during interwar period computer possible replacement for analog calculatordemand for military data during WWII accelerate dev of electronic tube digital computerbuild Colossus 1943 to decipher secret German code singlepurpose machine without capacity to be programmedENIAC programmable put for new purpose in emerging nuclear physics bulky big and complex but reliable major drawback was time consumingprogrammer early on many women mathematicians massive electronic calculating machines during WWII for military and govbeginning of digital computingdevelopment of new ways for processing and storing computes become more compact
More Less

Related notes for HPS202H1

Log In


OR

Don't have an account?

Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


OR

By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.

Submit