CS101.Lect18.Python.Intro.ppt

CS101.Lect18.Python.Intro.ppt - CS101 Lecture 18:...

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Computer Science CS101 Lecture 18: Introduction to Programming About Programming Introduction to Python Aaron Stevens ([email protected]) 25 October 2011 Computer Science What You’ll Learn Today Review: Programmability Why learn programming? What is a programming language? What is Python?
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Computer Science Early History of Computing Joseph Jacquard (1801) Jacquard’s Loom, the punched card Computer Science 3 What tricks does your computer do? – Web browsing, email, instant messenger – Play games – Watch movies, organize photos – Word processing, spreadsheets, database Programmability The ability to give a general-purpose computer instructions so that it can perform new tasks. Review: Programmability
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Computer Science Why Learn Programming? Programming … is a challenging and intellectually engaging experience. is an important part of computer science. can be a lot of fun. is a skill that can pay the bills. Very well. Why learn programming in CS101? Computer Science Why Learn Programming? The fundamental ideas of CS are: Algorithms Protocols Encoding Information Abstraction Programming teaches these ideas!
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Algorithm An algorithm is a sequence of clear and precise step-by-step instructions for solving a problem in a Fnite amount of time. Computer Science Programming Languages A program is a sequence of instructions. Computers are not very good at understanding natural languages Ambiguity and imprecision Dialects, accents, etc “Computer. This is a Class-A compulsory directive. Compute, to the last digit, the
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This note was uploaded on 12/16/2011 for the course CS 101 taught by Professor Stevens during the Fall '08 term at BU.

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CS101.Lect18.Python.Intro.ppt - CS101 Lecture 18:...

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