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Note 1~Introduction

Note 1~Introduction - Programming Fundamentals and...

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Programming Fundamentals and Methodology COMP104: Introduction Dr. Pedro Sander Dr. Long Quan Dr. Brian Mak Dr. Albert Chung Department of Computer Science & Engineering The Hong Kong University of Science and Technology Hong Kong SAR, China Fall 2009 { psander, quan, mak, achung } @cse.ust.hk COMP104 (Fall 2009) p.1
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Part I Computer, Computer Program, and Programming Languages { psander, quan, mak, achung } @cse.ust.hk COMP104 (Fall 2009) p.2
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Course Objectives To learn how to solve problems by writing computer programs . To learn how to design a computer program. To learn how to program in C++ . To learn how to debug a computer program. To learn object-oriented programming . To prepare you for COMP152, etc. Question: computer science = programming ? { psander, quan, mak, achung } @cse.ust.hk COMP104 (Fall 2009) p.3
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What’s a Computer Program? { psander, quan, mak, achung } @cse.ust.hk COMP104 (Fall 2009) p.4
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What’s a Computer Program? .. Human work model Computer work model WORKER work output HUMAN INSTRUCTIONS work output COMPUTER PROGRAM A computer program is a set of machine-readable instructions that tells a computer how to perform a specific task. (During the execution of the program, it may interact with the users and its environment.) { psander, quan, mak, achung } @cse.ust.hk COMP104 (Fall 2009) p.5
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von Neumann Computer Architecture Control Unit Memory I/O device results of operations instructions/data CPU ALU Designed by John von Neumann , a mathematician, in 1945. It is still today’s dominant computer architecture. CPU = Central Processing Unit ALU = Arithmetic Logic Unit.
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