How a computer works
hard drive
A hard drive is the main storage media device that permanently stores all data on the computer. A hard drive is the main/heart of the computer.
input device
a device that can be used to insert data into a computer or other computational device. some of the input devices are ; mouse , microphone etc.
monitor
A monitor is a screen. A computer screen and a tv screen. Monitor is all types of screens .
output device
electronic equipment connected to a computer and used to transfer data out of the computer in the form of text, images, sounds, or other media. such as a printer.
touch screens
a display device which allows the user to interact with a computer by touching areas on the screen.
optical drive
is a disc drive that uses laser light or electromagnetic waves within or near the visible light spectrum as part of the process of reading or writing data to or from optical discs. Some drives can only read from disc.