MCQ IN COMPUTER SCIENCE & ENGINEERING

COMPUTER SCIENCE AND ENGINEERING

OPERATING SYSTEM

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

Which one of the following is NOT a commonly used operating system?

A	BIOS
B	OS X
C	LINUX
D	WINDOWS

Explanation:

Detailed explanation-1: -Detailed Solution. The correct answer is BIOS. BIOS is not a computer operating system. It is a program that is used by a computer’s microprocessor to start the computer system after it is powered on.

Detailed explanation-2: -Detailed Solution. The correct answer is MS-Excel. An operating system (OS) is system software that manages computer hardware and software resources and provides common services for computer programs. The three most common operating systems for personal computers are Microsoft Windows, Mac OS X, Ubuntu, and Linux.

Detailed explanation-3: -BIOS (basic input/output system) is the program a computer’s microprocessor uses to start the computer system after it is powered on. It also manages data flow between the computer’s operating system (OS) and attached devices, such as the hard disk, video adapter, keyboard, mouse and printer.

Detailed explanation-4: -Detailed Solution. The correct answer is the Loading operating system. BIOS is used for loading the operating system.

There is 1 question to complete.