What is the difference between systems analysis and systems design?

Systems development is systematic process which includes phases such as planning, analysis, design, deployment, and maintenance. 

Systems Analysis


Systems analysis is to determine the “what” the new system should do. It is discovery and understanding.

It is a process of collecting and interpreting facts, identifying the problems, and decomposition of a system into its components.

System analysis is conducted for the purpose of studying a system or its parts in order to identify its objectives. It is a problem solving technique that improves the system and ensures that all the components of the system work efficiently to accomplish their purpose.

Analysis specifies what the system should do.

Systems Design


Systems design is to determine “how” the new system should be built. It is structure and architecture.

It is a process of planning a new business system or replacing an existing system by defining its components or modules to satisfy the specific requirements. Before planning, you need to understand the old system thoroughly and determine how computers can best be used in order to operate efficiently.

System Design focuses on how to accomplish the objective of the system.

System Analysis and Design (SAD) mainly focuses on −

  • Systems
  • Processes
  • Technology
Rajiv Shah
Oct 5, 2021

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