Operating Systems | MCQs

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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VU LDC UDC FIA PAPER 27-12-2021

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 ND2-12-2022, 03-12-2022

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 ND1-1-2023

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 Logical Unit is also known as an Arithmetic Logic Unit (ALU).

It is a digital circuit that performs arithmetic and logical operations on binary numbers, such as:

• Arithmetic operations (e.g., addition, subtraction, multiplication, division)
• Logical operations (e.g., AND, OR, NOT, XOR)

Explanation

Android OS is specifically designed for mobile devices like smartphones and tablets.

It is a touchscreen-based operating system developed by Google.

Explanation

NOTE: There was no version of Microsoft Windows officially launched as "Windows 9." BUT ACCORDING TO THE ASKED QUESTION WE SELECTED OPTION D. 

Microsoft skipped Windows 9, going directly from Windows 8.1 to Windows 10. 

Windows 9 and Windows 10 are both operating systems.

Specifically, versions of Microsoft Windows.

Windows 10 is the more recent version,

And it is part of the Windows NT family.

Explanation

Explanation

The OS (e.g., Windows, macOS, Linux) manages all hardware/software operations, including:

• Memory allocation.
• File management.
• Running applications (like MS Word).

Example:

Without an OS (Operating System), a computer cannot boot or execute any program

Explanation

Explanation

Process termination is the easiest method for deadlock recovery as it directly frees resources by ending one or more processes.

Although effective, it may cause loss of work and should be used carefully.