SYSTEMS DEVELOPMENT ANALYSIS
ANALYSIS AND DESIGN TOOLS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Technology
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Data
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Information
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System
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Detailed explanation-1: -In an information system, information consists of basic facts that are the system’s raw material.
Detailed explanation-2: -The Raw Facts and Figures are Called Data. Data is collected from different sources. It is collected for different purposes. Data may consist of numbers, characters, symbols or pictures etc. The process of sorting or calculating data is called Data Processing.
Detailed explanation-3: -Informationis a collection of data organized and processed so that it has additional value beyond the value of the individual facts.
Detailed explanation-4: -Whereas structured analysis regards processes and data as separate components, object-oriented analysis combines data and the processes that act on the data into things called objects.
Detailed explanation-5: -The data component of an information system is considered the input to the system. An information system should collect data from external and internal sources. Data consists of raw facts and by itself is difficult to use for decision making.