O Level Computer Science Revision Notes

Computer technology has been one of the key fibers of social, economic, and cultural life. It…

What is Weather Forecasting? The use of science and technology to forecast the conditions of the…

An operating system performs the following functions: Memory management Task or process management Storage management Device…

Paperwork Offices have been dominated by paper for many years. Most things were documented, written, or…

What are Networking and Communication? Data communications refer to the transmission of this digital data between…

Definition It is a process of collecting and interpreting facts, identifying the problems, and decomposition a…

Computers can only interact with the world using input and output devices. Inputs receive data for…

Transmission of Data: The transfer of data in the form of bits from one device to…

This sets out rules for collecting, storing and processing personal data. Personal data relates to living,…

The databases are designed to have the means to alter, erase, archive and retrieve data from…