Operating System | MCQs

Explanation

MS-DOS is an operating system for x86-based personal computers mostly developed by Microsoft.

MS-DOS, its rebranding as IBM PC DOS

Some operating systems attempting to be compatible with MS-DOS are sometimes referred to as "DOS".

Explanation

• An Operating System (OS) is System software.
• It manages hardware resources and provides a platform for running application software.

Functions of an Operating System:

• Allocates resources
• Monitors activities
• Manages disks and files

Explanation

A Linux-based system is a modular Unix-like operating system

It is an operating system kernel first released on September 17, 1991, by Linus Torvalds.

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Explanation

Explanation

DOS stands for disk operating system

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A disk operating system is a computer operating system that resides on and can use a disk storage device, such as a floppy disk, hard disk drive, or optical disc.

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Dennis Ritchie is the father of MS-DOS.

MS-DOS was developed in 1982.

MS-Dos stands for Microsoft Disk Operating System

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Explanation

Oracle is not a function of an operating system.

It is a database management system.

Whereas Linux, DOS, and Windows are examples of operating systems that manage hardware and software resources in a computer system.

Explanation

• A computer cannot ‘boot’ if it does not have the Operating System.
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• An operating system is system software that handles software and hardware resources and gives services to computer programs.
• The computer system requires an operating system for “boot”
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• A Loader in the computer systems is a unit of the operating system which is primarily responsible for loading the libraries and programs.
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• An assembler in the computer system is a program that interprets software programs written using “assembly language” into “machine language”.
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Explanation

Explanation

The process of starting an operating system when a user turns on a computer is called booting.

Booting is a startup sequence that powers up the system and loads the operating system. 

The booting process involves the following steps: 

• Power on
• The Power-On Self Test
• Find and load the OS
• Drivers and system configuration
• User login and authentication

Explanation

Following are the functions of a operating system.

1. Allocates resources
2. Monitor Activities
3. Manages disks and files