Introduction to Programming II

Introduction to Programming II - SoftwareComputer Programs

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Software – Computer  Programs “Computers do exactly what you tell them  to do. This is often quite different from  what you meant to tell them to do.”
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Programming What is programming? Creation of order Planning or scheduling the performance of  a task What is computer programming? “The process of specifying the  data types   and the  operations  for a computer to apply  to  data  in order to  solve a problem ”.
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Data and Information Information  any knowledge that can be communicated. Data  information in a form the computer can use comes in different forms : letters, words, integer  numbers, real numbers, dates, times, coordinates  on a map etc. Each type of data is said to have a specific  data  type
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Computer program “Data type specifications and instructions  for carrying out operations that are used  by a computer to solve a problem”
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How do we write a Program? Analysis and specification General solution (algorithm) verify Concrete solution (program) Test Maintenance phase PROBLEM-SOLVING PHASE IMPLEMENTATION PHASE
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Set of rules, symbols and special words used  to construct a computer program Simplified form of English ( with math  symbols) that adheres to a strict set of  grammatical rules Why not translate from English directly into  instructions for the computer? Too complicated
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Introduction to Programming II - SoftwareComputer Programs

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