SS1 NOTE: Computing device (Pre-Computer age to 19th century)

Common components of the Burrough’s machine are:KeypadsLever RegistersPrintersThey were used for scientific, engineering and other calculations involving long numbers. There were limitation in their calculations especially in the areas where many large tables such as logarithm, trigonometric application, etc. Were involved   &nb...

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SS3 NOTE: Database (Definition and forms)

DatabaseDatabase: is a single organised collection of data for one or more purpose stored with minimum duplication of data items so as to provide a consistent and controlled pool of data. For example a school student database will contain data relating to their academic results, school fees, accomodations, parent information and so on for the purpose of managing the students.Traditional...

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SS3 NOTE: Introduction to World Wide Web (WWW)

Introduction To World Wide Web(WWW)World Wide Web: also known as www or w3 commonly known as the web is a system of interlinked hypertext document accessed via the internet with a web browser, one can view web  pages that may contain text, images, videos and other multimedia and navigate between them via hypertext  Breif history of world wide webUsing concepts from...

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SS2 Note: Computer Memory I

Computer memoryThe computer memory is the storage location where data, programs and information are stored.The two types of memory are:1. Primary storage/ main memory2. Secondary storage/ Auxiliary memoryPrimary storage (main memory)The primary storage represents the core or Internal storage areas of the computer system. It is also where information and programs are stored...

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Networking

NetworkingA computer network allows sharing of resources and information among interconnected devices. Network exist for one major reason: to share information and resources.Types of networkARCNETToken ringEthernetARCNET: attached resource computer network is a star (LAN) topology network. ARCNET was the first widely available network system for microcomputer and became popular...

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Overview of computer system

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SS1 First Term Scheme of work

 SS1Computer StudiesFirst Term Scheme of W...

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