COMPUTER STUDIES FOR SECONDARY SCHOOL
Wednesday, 27 February 2019
2019 SS1 WEEK 11 TOPIC: INFORMATION SYSTEMS
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Information systems contain information about important people, places and things within the organization. By information, we mean data that...
2019 SS1 WEEK 10 TOPIC: COMPONENTS OF I.C.T
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Types of Broadcasting: Radio Broadcasting: This is one way wireless transmission over radio waves intended to reach a wide audience. Audio...
2019 SS1 WEEK 9 TOPIC: COMMUICATION SYSTEM
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MEANNING AND DEFINITION OF ICT: The term ICT keeps on changing fast with technology. About fifteen years ago, there was nothing like interne...
2019 SS1 WEEK 8 LESSON TOPIC: BASIC ARITHMETIC OPERATION
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Content: BASIC ARITHMETIC OPERATORS: They are expressed in terms of a hierarchy of operations in which operations of high priority are perfo...
2019 SS2 WEEK 9 TOPIC: FILE INSECURITY II
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COMPUTER FILES VS. MANUAL FILES: Manual filing is the process of actually handling a physical piece of data. In the days before computers, ...
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2019 SS2 WEEK 8 TOPIC: FILE INSECURITY
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File Security is a feature of your file system which controls which users can access which files, and places limitation on what users can do...
2019 SS2 WEEK 7 TOPIC:HANDLING COMPUTER FILES
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When you think of a file, don’t think of a paper file at all. Instead, the file is a container. The container can be very large or small. Un...
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