Computer Knowledge

Operating Systems

998 Questions

Test your computer knowledge with these questions on operating systems. The content covers various platforms including Unix, Linux, Windows, Android, and Macintosh. These questions are commonly asked in the computer knowledge sections of banking and government exams.

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Operating Systems Questions

Multiple choice

Which microkernel serves as the foundation of Fuchsia?

  1. Linux

  2. Android

  3. Zircon

  4. Chrome OS
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Fuchsia is built upon the Zircon microkernel, which is designed to be secure, modular, and capable of running on a variety of hardware platforms.

Multiple choice

Which of the following is NOT a common operating system used on smartwatches?

  1. Wear OS

  2. Tizen

  3. WatchOS

  4. Android
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Android is not a common operating system used on smartwatches, as it is not optimized for the small screen size and limited processing power of smartwatches.

Multiple choice

What is PostmarketOS?

  1. A mobile operating system based on Alpine Linux

  2. A desktop operating system based on Arch Linux

  3. A hybrid operating system that can run on both mobile and desktop devices

  4. A custom ROM for Android devices
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

PostmarketOS is a mobile operating system based on Alpine Linux, designed to provide a secure and privacy-focused alternative to Android.

Multiple choice

How does PostmarketOS compare to other mobile operating systems?

  1. It is more secure and privacy-focused

  2. It is more customizable

  3. It is more open-source

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

PostmarketOS is more secure and privacy-focused, more customizable, and more open-source than many other mobile operating systems.

Multiple choice

What is the default package manager used in PostmarketOS?

  1. apt

  2. pacman

  3. apk

  4. dnf
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

PostmarketOS uses apk as its default package manager.

Multiple choice

Which desktop environment is used by default in PostmarketOS?

  1. GNOME

  2. KDE Plasma

  3. Xfce

  4. LXQt
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

PostmarketOS uses LXQt as its default desktop environment.

Multiple choice

Which of the following applications is NOT available for PostmarketOS?

  1. Firefox

  2. LibreOffice

  3. VLC Media Player

  4. Microsoft Office
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Microsoft Office is not available for PostmarketOS, as it is not open-source software.

Multiple choice

What is the underlying technology behind HarmonyOS?

  1. Linux kernel

  2. Android kernel

  3. Microkernel

  4. Proprietary kernel
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

HarmonyOS is built on a microkernel architecture, which provides a more secure and efficient foundation for the operating system.

Multiple choice

How does HarmonyOS handle app compatibility?

  1. It runs Android apps natively

  2. It uses a compatibility layer to run Android apps

  3. It only supports apps developed specifically for HarmonyOS

  4. It does not support any third-party apps
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

HarmonyOS includes a compatibility layer that allows Android apps to run on devices without any modifications.

Multiple choice

Which of the following is NOT a key feature of HarmonyOS?

  1. Distributed architecture

  2. Microkernel design

  3. Android app compatibility

  4. Closed-source codebase
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

HarmonyOS is an open-source operating system, which means that its source code is publicly available for developers to modify and contribute to.

Multiple choice

Which Android version serves as the foundation for GrapheneOS?

  1. Android 10

  2. Android 11

  3. Android 12

  4. Android 13
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

GrapheneOS is built upon the Android 10 operating system, ensuring a stable and secure base.

Multiple choice

What is the default browser in GrapheneOS?

  1. Google Chrome

  2. Mozilla Firefox

  3. Brave

  4. Bromite
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Bromite is the default browser in GrapheneOS, known for its focus on privacy and security.

Multiple choice

What is the primary goal of Firefox OS?

  1. To provide a secure and customizable mobile operating system

  2. To promote the use of HTML5 and open web standards

  3. To offer a low-cost alternative to proprietary mobile OSes

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Firefox OS aims to provide a secure, customizable, and low-cost mobile operating system that promotes the use of HTML5 and open web standards.

Multiple choice

Which of the following is NOT a key feature of Firefox OS?

  1. Open source

  2. HTML5-based

  3. App compatibility with Android

  4. Multitasking
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Firefox OS is not designed to run Android apps natively. However, it supports web apps and can run some Android apps through emulation.

Multiple choice

What is the default web browser in Firefox OS?

  1. Firefox

  2. Chrome

  3. Safari

  4. Internet Explorer
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Firefox OS uses Firefox as its default web browser, providing a seamless and optimized browsing experience.