Role of Data and Information, Evolution Computing

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Data is raw facts, figures, and statistics collected and stored in structured or unstructured form. It has no meaning on its own and becomes useful only after processing and organizing.

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Information is data that has been processed and organized so that it has meaning and context. It provides knowledge, insight, and understanding for a specific purpose or decision. Example: the average…

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Data needs processing because data alone has no meaning or purpose. When data is organized, analyzed, and interpreted, it becomes information that can support decisions and understanding.

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A list of numbers such as 1, 2, 3, 4, and 5 is data because it is only a set of values. If their average is calculated as 3, that result is information because it gives meaning to the set.

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Data is raw, unorganized, and based on records or observations. Information is organized, based on analysis of data, and has meaning and context. Data alone can never be significant, while information…

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Numerical data is data that consists of numerical values that can be measured. Examples include age, height, weight, and temperature. Internally in computers, numerical data is stored as a series of b…

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Qualitative data is a descriptive piece of information. It is presented as a subtype under numerical data in this chapter. Example: What a nice day it is.

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Quantitative data is numerical information such as 1 or 3.65. It is a subtype of numerical data and is further divided into discrete and continuous data.