COMPUTER SCIENCE AND ENGINEERING
OPERATING SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Allows users to communicate with the computer
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Downloads programs and applications
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Manages printers and scanners
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Acts as the essential center of a computer operating system
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Detailed explanation-1: -The user interface (UI) is the point of human-computer interaction and communication in a device. This can include display screens, keyboards, a mouse and the appearance of a desktop. It is also the way through which a user interacts with an application or a website.
Detailed explanation-2: -graphical user interface (GUI), a computer program that enables a person to communicate with a computer through the use of symbols, visual metaphors, and pointing devices.
Detailed explanation-3: -Command-line interfaces A command-line interface allows the user to interact with the computer by typing in commands . The computer displays a prompt, the user keys in the command and presses enter or return. In the early days of personal computers, all PCs used command-line interfaces.
Detailed explanation-4: -An Operating System is a program that acts as an intermediary or interface between a user of a computer and the computer hardware.