Operating System Functions MCQs with Answers

What is the main purpose of a device driver in a computer system?

• A.To organize files and folders on a storage disk
• B.To manage user accounts and passwords
• C.To allocate CPU time among running processes
• D.To enable hardware components to communicate with the operating system

What component of a computer system is responsible for loading system files into RAM and providing a user interface?

• A.BIOS
• B.Operating System
• C.Boot Loader
• D.Device Driver

What is the default screen called that appears once Windows operating system starts?

• A.Desktop
• B.Taskbar
• C.Start Menu
• D.Control Panel

What is responsible for checking all components and loading their drivers when a computer starts?

• A.BIOS
• B.Operating System
• C.Device Manager
• D.Bootloader

Where is the operating system loaded during the booting process of a computer?

• A.ROM
• B.Hard Disk
• C.RAM
• D.Cache Memory

What is the system software that acts as a bridge between the user and hardware and is also known as the Resource Manager?

• A.Operating System
• B.Device Driver
• C.Firmware
• D.Utility Program

In operating systems, what does the term "Kernel Panic" refer to?

• A.A memory leak in user-level applications
• B.A security vulnerability in the file system
• C.A process scheduling algorithm failure
• D.A system crash caused by critical errors in the OS kernel

Past Paper MCQ

What essential software does a computer require to boot up?

• A.Application Software
• B.Device Driver
• C.Firmware
• D.Operating System

What is a print queue used for?

• A.To store and manage all outgoing printing documents or jobs
• B.To increase the printing speed of a printer
• C.To connect multiple computers to a single printer
• D.To convert digital documents into printable format

In a typical computer window, how many scrollbars are generally present?

• A.1
• B.2
• C.3
• D.4