From Problem Analysis to Program Design

Problem analysis and program design are two essential steps in the software development process. Problem analysis involves understanding the problem that the software is intended to solve, while program design involves designing a solution to the problem. In this article, we will provide a comprehensive guide to the process of problem analysis and program design, including techniques for defining the problem, identifying requirements, developing and evaluating solutions.

C++ Programming: From Problem Analysis to Program Design: Program Design Including Data Structures (MindTap Course List)

by D. S. Malik

4.4 out of 5

Language	:	English
File size	:	69185 KB
Screen Reader	:	Supported
Print length	:	1728 pages

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Problem Analysis

The first step in the problem analysis process is to define the problem. This involves understanding the goals of the software, the users who will be using it, and the environment in which it will be used. Once the problem has been defined, the next step is to identify the requirements of the software. This involves identifying the specific features and functions that the software must have in order to meet the needs of the users.

There are a number of different techniques that can be used to define the problem and identify the requirements. These techniques include:

• Interviewing: Interviewing the users of the software can help to identify their needs and requirements.
• Observation: Observing the users in their work environment can help to identify the problems that they face and the ways that software could help to solve those problems.
• Document analysis: Analyzing existing documents, such as user manuals and job descriptions, can help to identify the requirements of the software.
• Brainstorming: Brainstorming with a team of experts can help to generate a list of potential solutions to the problem.

Program Design

Once the requirements of the software have been identified, the next step is to design a solution to the problem. This involves creating a blueprint for the software, which includes the software's architecture, data structures, and algorithms. The program design should be efficient, maintainable, and scalable.

There are a number of different techniques that can be used to design a program. These techniques include:

• Structured design: Structured design involves breaking the program down into a series of modules, each of which performs a specific task.
• Object-oriented design: Object-oriented design involves organizing the program around a set of objects, each of which represents a real-world entity.
• Component-based design: Component-based design involves using pre-built software components to create new programs.

Evaluation

Once the program has been designed, it is important to evaluate the design to ensure that it meets the requirements of the users. This involves testing the program to identify any errors or bugs. It also involves reviewing the design with the users to ensure that it meets their needs.

There are a number of different techniques that can be used to evaluate a program. These techniques include:

• Unit testing: Unit testing involves testing individual units of code to ensure that they work correctly.
• Integration testing: Integration testing involves testing the program as a whole to ensure that the different units of code work together correctly.
• System testing: System testing involves testing the program in a real-world environment to ensure that it meets the needs of the users.

Problem analysis and program design are two essential steps in the software development process. By following the techniques outlined in this article, you can improve the quality of your software and ensure that it meets the needs of the users.

C++ Programming: From Problem Analysis to Program Design: Program Design Including Data Structures (MindTap Course List)

by D. S. Malik

4.4 out of 5

Language	:	English
File size	:	69185 KB
Screen Reader	:	Supported
Print length	:	1728 pages

FREE