AS ICT Key Terms (Part One)

The first installment of Key Terms for OCR AS ICT. (Data, Information, Knowledge and Processing)

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  • Created by: Joe
  • Created on: 24-04-10 13:52

ICT Key Terms (#1: DATA) Data

ICT Key Terms (#1: DATA) Data


DATA

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ICT Key Terms (#1: DATA)

ICT Key Terms (#1: DATA)

Data is the raw facts and figures before they have been processed.

Data has no meaning

Data can be alphanumeric characters (letters and numbers), Sound or Graphics.

Example: BAT45&&7, 478GH89".
(There is no way to tell you what these examples mean at this time; they are just a random series of numbers and letters.)

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ICT Key Terms (#2: INFORMATION)

ICT Key Terms (#2: INFORMATION)

INFORMATION

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ICT Key Terms (#2: INFORMATION)

ICT Key Terms (#2: INFORMATION)

Information is made by taking data and processing it.
Processing is performing some action on the data (sorting, searching or editing) and it gives the data meaning.

The act of processing gives the data meaning. It is not possible to search the data unless you have some idea of what you are looking for.
(Information = Data + [Structure] + [Context] + Meaning)

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ICT Key Terms (#3: KNOWLEDGE)

ICT Key Terms (#3: KNOWLEDGE)

KNOWLEDGE

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ICT Key Terms (#3: KNOWLEDGE)

ICT Key Terms (#3: KNOWLEDGE)

Knowledge is the use and application of the information to a specific situation.


Example: The weather report says that it is going to rain. [Information]

THEREFORE, I am going to bring an umbrella out with me. [Knowledge]

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ICT Key Terms (#4: REPRESENTATION METHODS)

ICT Key Terms (#4: REPRESENTATION METHODS)

REPRESENTATION METHODS

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ICT Key Terms (#4: REPRESENTATION METHODS)

ICT Key Terms (#4: REPRESENTATION METHODS)

There are 5 main Representation Methods.

  • Text (including writing)
  • Sound (including voice)
  • Moving pictures (animation or video)
  • Graphics (including pictures)
  • Light-emitting diode (LED).


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ICT Key Terms (#5: DATA TYPES)

ICT Key Terms (#5: DATA TYPES)

DATA TYPES

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ICT Key Terms (#5: DATA TYPES)

ICT Key Terms (#5: DATA TYPES)

  • Text/String - Contains alphanumeric characters including symbols.
  • Date/Time - Contains numbers and letters.
  • Real - Contains numbers with decimal places.
  • Integer - Contains numbers with NO decimal places.
  • Boolean - Can be one of two values.

Useful Acronym: T-BIRD. Text/String, Boolean, Integer, Real, Date/Time.

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ICT Key Terms (#6: DIRECT DATA SOURCE)

ICT Key Terms (#6: DIRECT DATA SOURCE)

DIRECT DATA SOURCE

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ICT Key Terms (#4: REPRESENTATION METHODS)

Data collected from an original source for a specific purpose. Example: Going out and conduction a survey.

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Comments

Joe

> Formatting is *broken* will look into fixing it ASAP

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