They are used for many reasons:
1. High level computation (Mathmatics)
2. Entertainment (probably the biggest)
3. Communication (with the internet anything is possible)
And
4. Education
a list of the communication equipment used in a office are : computers fax machine ect
Tools that can be used to send emails are PC's or laptop computers and a cellular phones
it's gonna be a long list.
Menu is the answer.
List and explain the three areas of how computers affect management
Computers are used in just about every aspect of the military. Computers assist pilots of aircraft, tanks, and ships. Computerized targeting systems guide weapons on any large craft. The air-force uses unmanned drone planes that would be impossible to use without computers. The list could go on for many pages.
Error checking, ie. checksum
Copper is used in pennies, microchips, dishes, wiring, jewelry, computers, batteries, and transportation vehicles.
Computers are used for everything
why computers used in government
Access Control List
in computers in phones in speakers in data storage devices in electrical motors in clocks on fridges and this is by no means a comprehensive list.