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 …