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Introduction to Information Systems
This deck covers the fundamental concepts of information systems, including definitions, types, attributes, and the system development life cycle.
What is an information system?
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Key Terms
Term
Definition
What is an information system?
An information system is a formalized set of procedures that processes data to provide quality information to users.
How does data differ from information?
Data are raw facts, while information is processed data that is meaningful to the user.
What are the qualities of good information?
Timeliness, current, accuracy, relevance, completeness, conciseness, verifiable, reliable, and meaningful.
Name three business categorizations of information.
Strategic, Tactical, and Operational.
What is strategic information?
Strategic information is high-level and guides long-term decisions and goals of an organization.
Define tactical information.
Tactical information focuses on short-term planning and current operations within an organization.
Related Flashcard Decks
| Term | Definition |
|---|---|
What is an information system? | An information system is a formalized set of procedures that processes data to provide quality information to users. |
How does data differ from information? | Data are raw facts, while information is processed data that is meaningful to the user. |
What are the qualities of good information? | Timeliness, current, accuracy, relevance, completeness, conciseness, verifiable, reliable, and meaningful. |
Name three business categorizations of information. | Strategic, Tactical, and Operational. |
What is strategic information? | Strategic information is high-level and guides long-term decisions and goals of an organization. |
Define tactical information. | Tactical information focuses on short-term planning and current operations within an organization. |
What is operational information? | Operational information deals with the day-to-day running of a company, linking strategic and tactical goals. |
List the classifications of information by time. | Past, Present, and Future. |
What is quantitative information? | Quantitative information is measurable and can be expressed in numbers. |
Define qualitative information. | Qualitative information is descriptive and cannot be measured numerically. |
What are the main processes in the development of information? | Creating, collecting, organizing, manipulating, storing, retrieving, and communicating. |
What role does information play in society? | It keeps people informed, aids decision-making, supports competition, facilitates development, and enhances security. |
What media types are used in presenting information? | Text, graphics, sound, animation, and video. |
What is a manual information system? | A system where records are maintained by hand, without using computers. |
List advantages of a computerized information system. | Speed, confidentiality, data redundancy avoidance, and easy information transfer. |
What is the System Development Life Cycle (SDLC)? | A set of activities used to build an information system, including planning, analysis, design, development, testing, implementation, and maintenance. |
What is a Transaction Processing System (TPS)? | An operational level system that records daily routine transactions. |
Define Management Information System (MIS). | A managerial level system providing information for planning, controlling, and decision-making. |
What is a Decision Support System (DSS)? | A system that combines data and analytical tools to support business decisions. |
What is an Executive Support System (ESS)? | A strategic level system supporting senior executive decision-making needs. |
What is the role of software in an information system? | Software instructs hardware on what to do and is essential for processing data. |
What is the importance of people in an information system? | People are crucial as they combine hardware, software, and data to produce quality information. |
What is the function of a database in an information system? | A database organizes data systematically for easy retrieval and manipulation. |
What are the disadvantages of a manual information system? | Time-consuming, prone to errors, lack of security, data duplication, and lack of backups. |
What is the purpose of the planning phase in SDLC? | To identify the need for a new system and determine solutions. |
What happens during the system design phase of SDLC? | Specifications, features, and operations to satisfy system requirements are determined. |
What is the role of testing in the SDLC? | To ensure the system meets business goals and is free of errors and bugs. |
What is the significance of the implementation phase in SDLC? | It involves installing the new system and transitioning from the old system. |
What is the difference between bitmap and vector graphics? | Bitmap graphics are real images captured from devices, while vector graphics are drawn using mathematical formulas. |
What is the role of networks in an information system? | Networks connect computers and devices, facilitating communication and data sharing. |