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CAPE INFORMATION TECHNOLOGY. Unit 1: Module 1 Objectives 7 & 8 identify ways of representing data and information; discuss various types of information sources ;. Data Representation. Character Letter or symbol E.g. –letters of the alphabet, String An array of characters
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CAPE INFORMATION TECHNOLOGY Unit 1: Module 1 Objectives 7 & 8 identify ways of representing data and information; discuss various types of information sources;
Data Representation • Character • Letter or symbol • E.g. –letters of the alphabet, • String • An array of characters • E.g. a persons name • Numeric • Integers, Reals, etc. • Aural • Pertaining to hearing • e.g. Morse Code, Musical Notes • Visual • e.g. fingerprints • Musical Symbols and Notation • E.g. Clefts, etc.
Information Representation • Text • Any sensible arrangement of characters and strings • E.g. a letter • Graphics • Logos, paintings, etc. • Sound • Musical representation, structure give to musical notes • Video • Special Purpose Notations • Graphical Representations • NOTE: Many of these representation are intertwined and intermingled to give greater detail to what is being presented
Information Representation • State the MOST suitable forms of representation for the following: • A poster • Report of the elected Prime Minister of Jamaica • Moneague College vs. UWI Inter-col Football Final • The Nature of the Bengal Tiger • Compare each of the above with the other (discover the advantages / benefits)
Information Sources • Types of information sources • Characteristics of information sources • Sources include: • Books • Journals • Catalogs • Magazines • Newspapers • Online Libraries • CD-ROMs • DVDs • Blu-Ray disc • Electronic Database • Websites • People • Blogs • Wikis
Class Activity • Examine each source of information and identify the advantages, disadvantages and a scenario in which the use of the source is most appropriate in gathering information.