PROBLEM SOLVING

1. Explain the steps involved in developing a program with neat diagram? (FEB2009)
(or)
Brief about planning the computer program?

The Programming Process – Purpose
1. Understand the problem
v Read the problem statement
v Question users
v Inputs required
v Outputs required
v Special formulas
v Talk to users
2. Plan the logic
(a) Visual Design Tools
v Input record chart
v Printer spacing chart
v Hierarchy chart
v Flowchart

(b) Verbal Design Tools
v Narrative Description
v Pseudocode
3. Code the program
v Select an appropriate programming language
v Convert flowchart and/or Pseudocode instructions into programming language statements
4. Test the program
1. Syntax errors
2. Runtime errors
3. Logic errors
4. Test Data Set
5. Implement the program
Buy hardware Publish software Train users
6. Maintain the program
Maintenance programmers
Legacy systems
Up to 85% of IT department budget