Chapter 2

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Information Technology Management
ITM 200
Vikraman Baskaran

Chapter 2 Algorithms and programs 2.1 Problem solving Programming is all about solving problems Program is just a set of instructions that describe how to solve a particular problem It is written in a language that a computer can understand There are 4 steps to solve a problem o Understand the problem o Work out a plan o Sort out the details o Test and evaluate 2.2 The pizza eaters problem Programming is all about developing plans Problem solving is an cyclic process First step is to understand the problem Rough out the general outline of the solution Always test and evaluate your solution 2.3 Algorithms Algorithm is a set of instructions for solving a problem It consists of the actions to do and the order in which to do them An algorithm should at least be o Complete (cover all the parts) It shouldnt be possible to get into a situation where the algorithm does not tell you what to do o Unambiguous (there is no doubt about what it does)
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