Algorithm and flowchart2010

Algorithm and Flowchart,[object Object],INTRODUCTION TO PROGRAMMING,[object Object]

Remember a computer is only a problem-solving tool! (one of the many different tools engineers use in solving problems),[object Object],Introduction,[object Object]

Recognize and understand the problem.,[object Object], Accumulate facts.,[object Object], Select appropriate theory.,[object Object], Make necessary assumptions.,[object Object], Solve the problem.,[object Object], Verify results.,[object Object],Method of Problem Solving,[object Object]

The 5 steps in using a computer as a problem-solving tool,[object Object],Develop an Algorithm and a Flowchart.,[object Object], Write the program in a computer language. (i.e. Fortran, C),[object Object], Enter the program into the computer.,[object Object], Test and debug the program.,[object Object], Run the program, input data, and get the results from the computer.,[object Object]

a step-by-step method for solving a problem or doing a task.,[object Object],An algorithm is a sequence of unambiguous instructions for solving a problem.,[object Object],The number of steps of an algorithm will be countable and finite.,[object Object],It is a sequence of instructions (or set of instructions) to make a program more readable; a process used to answer a question.,[object Object],Algorithm,[object Object]

An Algorithm is just a detailed sequence of simple steps that are needed to solve a problem.,[object Object], A Flowchart is a graphical representation of an algorithm.,[object Object],Brief Definition,[object Object]

There are two commonly used tools to help to document program logic (the algorithm). These are,[object Object],flowcharts and Pseudocode.,[object Object]

Pseudocode- specifies the steps of algorithm using essentially natural language of superimposed control structure.,[object Object],Flowchart - a traditional graphical tool with standardized symbols. Show the sequence of steps in an algorithm.,[object Object],Methods of Specifying Algorithm,[object Object]

The flowchart should flow from top to bottom,[object Object],If the chart becomes complex, utilize connecting blocks,[object Object],Avoid intersecting flow lines,[object Object],Use meaningful description in the symbol,[object Object],Flowcharting Guidelines,[object Object]

Quiz,[object Object],1. What is an algorithm?,[object Object],2. Two major tools of algorithm?,[object Object]

3.What is a Pseudocode?,[object Object],4. What is a Flowchart?,[object Object],5. Give one of the guidelines of Flowcharting.,[object Object],6-10 What are the Steps in Program Development?,[object Object]

Algorithm and flowchart2010

Algorithm and flowchart2010

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Algorithm and flowchart2010