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systemsGlossary: Systems Analysis and Design

Glossary: Systems Analysis and Design

Learn Systems Analysis and Design in FREE step-by-step lessons.

   a systmes development method that develops the system incrementally rather than starting with a complete design.

   Often refers to an application that runs on a mobile device.

   Business to Business: the main customers are other businesses.

   B2C: Business to Consumer, is also called retail, as opposed to B2B that sells to other businesses.

   The reason the new system is being created.

   supports workers at all levels of the business

   The tasks that make up the longest path towards completion of a project.

   Data is unprocessed, an information system transforms the raw data into information.

   refers to information systems that support a company in doing business.

   Persons, places, or events that will be stored in the database.

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   ERPs smooth the flow of information between various parts of a business to help businesses make decisions.

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   Refers to a person, office or thing that interacts with the system.

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   Analysis of whether it make sense to go ahead with a project in terms of operations, cost, sheduling and technology.

   A Gantt chart is a bar chart that shows a project schedule.

   Hardware is the physical part of a system: computers, printers, scanners, servers, networks, etc.

   Helps users find information easity through queries or plain English commands

   a concept where an entity is viewed as a combination of data (properties) and processes. For example an employee object might include the employees name and address (properties), as well as how pay is computed (a process).

   PERT is a tool used to schedule tasks in a project.

   Processes are the methods that are used to handle data. Some processes in a student registration system might be checking if there are seats available, or in the students has the prerequisites. Processes are usually described using a verb phrase.

   Software that helps workers perform tasks: include word proceesors, email, spreadsheets, and databaes.

   A prototype is a small, working example.

   Software is instructions that allow users to interact with a computer and perform tasks.

   one of the tools used in analyzing a business. Ussually shwn as a square grid.

   A systems analyst helps plan, develop, implement and maintain information systems.

   The Seven Phases of the System-Development Life Cycle: Planning, Systems Analysis & Requirements, Systems Design, Development, Integration and Testing, Implementation, Operations and Maintenance

   A transaction is a day to day business process such as orders, sales, reordering. It is usually between two entities.

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