Information and Communication Technology
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OSI model
What is OSI model? The OSI model (Open System Interconnection) model defines a computer networking framework to implement protocols ...
Network Topology
What is Network Topology? Network topology is the arrangement of the different networking elements like network links, computers, switc...
Physical Layer Of OSI Model: Working Functionalities and Protocols
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...
Data Link Layer Of OSI Model
The data link layer is the penultimate or the second lowermost in the OSI model. The data link layer is made up of two sublayers: MA...
Output Devices
1. Monitor A Monitor (or "screen") is the most common form of output from a computer. It displays information in a simila...
Introduction to Data and Information
introduction - what information does a business need? We talk often about Information - the "I" in ICT . But what is informa...
Different Networking Devices
Network Hub: Network Hub is a networking device which is used to connect multiple network hosts. A network hub is also used to do...
Input Devices
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 ...
Data Collection
methods of data collection Collecting data can be a time-consuming, labour intensive process. So businesses are constantly looking for ...
ICT applications: benefits in all aspects of life
ICT applications can support sustainable development, in the fields of public administration, business, education and training, health, e...
ICT Syllabus
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