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What is OSI model? The OSI model (Open System Interconnection) model defines a computer networking framework to implement protocols ... -
What is Network Topology? Network topology is the arrangement of the different networking elements like network links, computers, switc... -
Network Hub: Network Hub is a networking device which is used to connect multiple network hosts. A network hub is also used to do... -
1. Keyboard The keyboard is the most widely used input device and is used to enter data or commands to the computer. It has a set of ... -
The physical layer is the lowest or the first layer in the OSI model. Physical layer truly justifies its name because it’s actually ph... -
Methods of data storage Data storage is the holding of data in an electromagnetic form for access by a computer processor . There a...
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1. Monitor A Monitor (or "screen") is the most common form of output from a computer. It displays information in a simila... -
introduction - what information does a business need? We talk often about Information - the "I" in ICT . But what is informa...
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methods of data collection Collecting data can be a time-consuming, labour intensive process. So businesses are constantly looking for ...
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