1. Data refers to the raw facts that do not have much meaning to the user and may include numbers, letters symbols, sound or images.
2. Information refers to the meaningful output obtained after processing the data.
3. Data processing is the process of transforming raw data into meaningful output that is, information. It can be done manually using pen and paper, mechanically using simple devices like typewriters or electronically using modern data processing tools such as computers.
4. Computer system is the complete set of devices required to use and operate the computer. It is a collection of entities that work together to process and manage information using computers.
jeddy55 answered the question on July 18, 2018 at 11:48
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Describe the main purpose and tasks of Step 2 of the logical database design methodology.
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Describe the main purpose and tasks of Step 2 of the logical database design methodology.
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July 9, 2018
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July 9, 2018
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July 9, 2018
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Date posted:
July 9, 2018
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Describe the types of update anomalies that may occur on a table that has redundant data.
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July 9, 2018
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