Question 1

What does the Operating System use to organize and store files on a hard disk?

Accepted Answer

A file system is the OS component that organizes, stores, and retrieves files on storage devices like hard disks.

Question 2

Which of the following is a real-time Operating System commonly used in embedded systems?

Accepted Answer

Real-Time Operating Systems (RTOS) are specifically designed for applications requiring immediate response, commonly used in embedded systems and industrial devices.

Question 3

Which of the following is the primary function of an Operating System?

Accepted Answer

The OS acts as an intermediary that manages hardware resources (CPU, RAM, storage) and provides a user interface for interaction with the computer.

Question 4

Which one of the following is NOT a function of an Operating System?

Accepted Answer

Manufacturing computer chips is a function of hardware manufacturers, not the Operating System; the OS manages existing hardware.

Question 5

What is the name of the most commonly used free and open-source Operating System?

Accepted Answer

Linux is a free, open-source OS widely used in servers, personal computers, and various devices, making it one of the most popular free OS choices.

Question 6

Which Operating System is primarily used in Apple computers and laptops?

Accepted Answer

macOS is Apple's proprietary Operating System designed exclusively for Apple computers and devices.

Question 7

What is the significance of the user interface in an Operating System?

Accepted Answer

The user interface (GUI or CLI) is the communication channel through which users send commands and receive responses from the OS.

Question 8

What does the Operating System do during file management?

Accepted Answer

File management involves creating, organizing, storing, and retrieving files while managing permissions and access control.

Question 9

Which of the following is an example of memory management by the Operating System?

Accepted Answer

Memory management includes allocating physical and virtual memory to processes and freeing it when no longer needed.

Question 10

Which of the following is the primary function of an Operating System?

Accepted Answer

The OS acts as a bridge between users and hardware, managing all system resources like CPU, memory, and peripherals.

Question 11

Which of the following is NOT a function of an Operating System?

Accepted Answer

Designing circuit boards is a hardware manufacturing task, not an OS function; OS handles software-level resource management.

Question 12

What is the role of the kernel in an Operating System?

Accepted Answer

The kernel is the core of the OS responsible for managing critical hardware resources and system operations.

Question 13

Which of the following best describes a process in the context of an Operating System?

Accepted Answer

A process is an executing program that has allocated memory, CPU time, and other system resources assigned by the OS.

Question 14

What is the main purpose of the kernel in an Operating System?

Accepted Answer

The kernel is the core component of the OS that directly manages hardware resources, schedules processes, and handles memory allocation between applications.

Question 15

Which of the following is a primary function of an Operating System in managing computer resources?

Accepted Answer

An OS acts as a resource manager that allocates CPU, memory, and I/O devices to various processes and applications running on the system.

AFCAT Introduction to OS

Introduction to OS — Practice Questions