FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -The correct answer is Graphical User Interface. An operating system enables a person to communicate with a computer through the use of symbols, icons, visual metaphors, and pointing devices. It is classified in Graphical User Interface.

Detailed explanation-2: -What is an operating system? An operating system is the most important software that runs on a computer. It manages the computer’s memory and processes, as well as all of its software and hardware. It also allows you to communicate with the computer without knowing how to speak the computer’s language.

Detailed explanation-3: -In order to communicate with the hardware devices, the OS uses drivers. Device drivers are program files that enable the OS to recognize the hardware device and its properties. Many of these drivers are built into the OS, but there are so many devices that not all of them may be available.

Detailed explanation-4: -An operating system uses a graphic user interface (GUI), a combination of graphics and text, that allows you to interact with the computer or device. Every computer or smart device needs at least one operating system to run applications and perform tasks.

Detailed explanation-5: -Keyboard. The computer keyboard is used to enter text information into the computer, as when you type the contents of a report. The keyboard can also be used to type commands directing the computer to perform certain actions.