Classification and functions of operating system

An operating system is fundamental computer software that coordinates how the computer hardware and other software interface with the user. It manages all the computer resources and files. There are many types of operating systems which include batch, and network systems among others. The main functions of the operating system are processor, main memory, input…

Characteristics and advantages of biometric authentication

Characteristics and advantages of biometric authentication

Authentication means a way of verifying the identity of an individual, while biometrics means the use of the biological or behavioral characteristics of humans that are unique. Biometric authentication means using the unique biological characteristics of a person to verify that the user is the one that they claim to be. The user data is…

Types of computer output devices and their functions

Output devices are used to outputting of the information that has been processed from the computers. Like input devices, they are connected to the computer using various connectors like USB, VGA cables, wireless, etc. The main function of the output devices is they allow users, applications, and other devices to communicate. Communication involves the display…