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 Computer System Analysis

           Business analysis is a research discipline of identifying business needs and determining solutions to business problems. Solutions often include a systems development component, but may also consist of process improvement, organizational change or strategic planning and policy development. The person who carries out this task is called a business analyst or BA.

Business analysts who work solely on developing software systems may be called IT business analysts, technical business analysts, online business analysts, business systems analysts, or systems analysts.

Business analysis sub-disciplines

Business analysis as a discipline has a heavy overlap with requirements analysis sometimes also called requirements engineering, but focuses on identifying the changes to an organization that are required for it to achieve strategic goals. These changes include changes to strategies, structures, policies, processes, and information systems.

 

Enterprise analysis or company analysis

Focuses on understanding the needs of the business as a whole, its strategic direction, and identifying initiatives that will allow a business to meet those strategic goals. It also includes:

  • Creating and maintaining the business architecture

  • Conducting feasibility studies

  • Identifying new business opportunities

  • Scoping and defining new business opportunities

  • Preparing the business case

  • Conducting the initial risk assessment

 

Requirements planning and management

Involves planning the requirements development process, determining which requirements are the highest priority for implementation, and managing change.

 

Requirements elicitation

Describes techniques for collecting requirements from stakeholders in a project. Techniques for requirements elicitation include:

  • Brainstorming

  • Document analysis

  • Focus group

  • Interface analysis

  • Interviews

  • Workshops

  • Reverse engineering

  • Surveys

  • User task analysis

  • Process mapping

  • Observation/job shadowing

Requirements analysis and documentation

Describes how to develop and specify requirements in enough detail to allow them to be successfully implemented by a project team.

 

Analysis

The major forms of analysis are:

  • Architecture analysis

  • Business process analysis

  • Object-oriented analysis

  • Structured analysis

  • Data warehouse analysis, storage and databases analysis

 

Documentation

Requirements documentation can take several forms:

  • Textual - for example, stories that summarize specific information

  • Matrix - for example, a table of requirements with priorities

  • Diagrams - for example, how data flows from one structure to the other

  • Wireframe - for example, how elements are required in a website,

  • Models - for example, 3-D models that describes a character in a computer game

 

Requirements communication

Describes techniques for ensuring that stakeholders have a shared understanding of the requirements and how they will be implemented.

 

Solution assessment and validation

Describes how the business analyst can perform correctness of a proposed solution, how to support the implementation of a solution, and how to assess possible shortcomings in the implementation.