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Chapter 2
Section 3
Mr. Chapman
AUSD

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Steps
•1. Define the problem
•2. Develop an algorithm
•3. Code the program
•4. Test and debug the program
•5. Document and maintain the program
1

Defining the Problem
• What is the program going to do?
• What are the inputs and outputs?
• The key word here is WHAT.
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2

Developing the Algorithm
• A set of sequential instructions.
• Example, a cake recipe
• Flowcharting
• Pseudocode
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3

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Flow Charts
Process
Input/Output
If

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Coding the Program
• Translate pseudocode into instructions
• Use syntax
• Correct coding errors
4
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Testing and Debugging
• Crash
• Runtime errors
• test data
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5

Documenting and Maintaining the Program
• Code documenting
• User documenting
• Flowcharts and pseudocodes
• Program Maintenance
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6

What To Do Now?
• Read Section 2.3
• Do questions 1 to 7 on page 38
• Do Projects 2-2 and 2-3.
• Read about Grace Hopper on page 40/41
7
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