1. Qbasic
Modular
Programming

2. Structured Programming
Good Programming Fundamentals
Reliability
Understandable (read-able)
Robust
Flexible
Consistently produces correct output.
It shouldn’t be harder to understand than to code
Bullet Proof.
Easy to fix and modify.

3. Top Down Design Phase 1 Stepwise Refinement Divide and conquer
Functional Decomposition
Data Definition

4. Top Down Design Phase 2 Modular development modularization
Single functionality
Re-usability

5. Top Down Design Phase 2 Cohesion Coupling
The “internal strength” of a module
The minimal number of statements to accomplish the task.
Coupling
The separation of the workings of the module with its interface

6. Top Down Design Phase 3 Program coding HIPO Flowcharts
Hierarchical Input Process Output Charts
Flowcharts

7. Top Down Design Phase 3 Testing Program Stubs Blackbox VS Whitebox
Modules
Functions
Sub-routines
Blackbox VS Whitebox

8. Top Down Design Phase 3 Testing Black box White box Functional testing
Path testing