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12 Cards in this Set
- Front
- Back
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What is information technology? |
Refers to the combination of hardware, software, and services that people use to manage, communicate, and share information. |
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Why is information technology important to a business? |
It supports business operations, improves productivity, and helps managers make decisions. Companies can use IT to reduce operating costs and improve efficiency. |
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Define business profiles |
An overview of a company’s mission, functions, organization, products, services, customers, suppliers, competitors, constraints, and future direction. |
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Define business process. |
Is a specific set of transactions, events, and results that can be described and documented. |
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Define business process modeling (BPM). |
Graphically displays one or more business processes, which describe specific transactions, events, tasks, and results. |
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How do companies use electronic data interchange? |
Companies use EDI to plan production, adjust inventory levels, or stock up on raw materials using data from another company’s information system. |
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What are some advantages of using XML? |
- Enabled company-to-company traffic to migrate to the Internet - Uses standard protocol - Universal availability - Low communication costs - Allows web-based communication between different hardware and software environments |
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What are the 3 model driven development techniques? |
Structured Analysis Information Engineering Object-Oriented Analysis |
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Give a brief explanation of Structured Analysis |
- Uses a series of phases (SDLC) - Usually shown as a waterfall model - Called a predictive approach as it uses an overall plan - Uses a set of process models to describe a system graphically (DFD) |
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Give a brief explanation of Information Engineering |
- Data focused - Addresses data organization and structure, relational database design (ERD), and user interface issues |
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Give a brief explanation of Object-Oriented Analysis |
- Combines data and the processes that act on the data into objects - Objects represent actual people, things, transactions, or events - Tend to be more interactive - More recent method for developing systems |
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What are the 8 phases of the SDLC (Systems Development Life Cycle)? |
i. Scope Definition ii. Problem Analysis iii. Requirements Analysis iv. Logical Design v. Decision Analysis vi. Physical Design & Integration vii. Construction & Testing viii. Installation & Delivery |
