Lesson 2 - History of Computers PDF
Document Details
Uploaded by LogicalMemphis
Holy Cross of Davao College
Tags
Summary
This document is a lesson on the history of computers, starting with early calculating tools like the abacus and progressing through mechanical calculators and the analytical engine to modern electronic computers. It details key inventors and milestones.
Full Transcript
COMPUTER 3 Lesson 2: History of Computer s How did people count and share information before computers? COMPUTE RCOMPUTE “to calculate” COMPUTER - a machine that can be programmed to automatically carry out sequences of arithmetic or logical operatio...
COMPUTER 3 Lesson 2: History of Computer s How did people count and share information before computers? COMPUTE RCOMPUTE “to calculate” COMPUTER - a machine that can be programmed to automatically carry out sequences of arithmetic or logical operations History of Computer s ABACUS ABACUS - one of the earliest tool for calculations that could also perform arithmetic calculations PASCALINE PASCALINE - 1st mechanical calculator - invented by Louis Blaise Pascal ANALYTICAL ENGINE ANALYTICAL ENGINE -powered by huge steam engine - can handle large amount of data and process it - invented by Charles Babbage (Father of Today’s Computer) TABULATING MACHINE TABULATING MACHINE - capable of reading, processing data and giving the desired output - invented by Herman Hollerith in 1890 ENIAC ENIAC - Electronic Numerical Integrator and Calculator st - 1 electronic computer - designed in 1946 by John W. Mauchly and Presper Eckert UNIVAC UNIVAC - Universal Automatic Computer - developed in 1951 by John W. Mauchly and Presper Eckert COMPUTER 3
