Q.1 Which of the following is an example of system software?
Microsoft Word
Windows OS
Adobe Photoshop
Google Chrome
Explanation - System software manages computer hardware and provides a platform for application software to run. Windows OS is a system software.
Correct answer is: Windows OS
Q.2 Which operating system is open-source and widely used for servers?
Windows Server
Linux
macOS
Android
Explanation - Linux is an open-source OS commonly used for servers due to its stability, security, and flexibility.
Correct answer is: Linux
Q.3 Which of the following is NOT an example of application software?
Excel
Linux
PowerPoint
Photoshop
Explanation - Application software helps users perform tasks, while Linux is an operating system, a type of system software.
Correct answer is: Linux
Q.4 Which OS uses a graphical user interface called Aqua?
Windows
Linux Ubuntu
macOS
Chrome OS
Explanation - Aqua is the GUI used in macOS, providing a visually rich interface for Apple computers.
Correct answer is: macOS
Q.5 What type of software helps in creating, editing, and formatting text documents?
Spreadsheet software
Word processor
Database software
Web browser
Explanation - Word processors like Microsoft Word and LibreOffice Writer are used for creating and editing text documents.
Correct answer is: Word processor
Q.6 Which of the following is a mobile operating system?
Windows 10
Android
Ubuntu
MS-DOS
Explanation - Android is a mobile operating system designed for smartphones and tablets.
Correct answer is: Android
Q.7 Which operating system uses the kernel called 'NT'?
Linux
Windows
macOS
Unix
Explanation - Windows NT (New Technology) is the kernel for modern Windows operating systems.
Correct answer is: Windows
Q.8 Which software is used to manage databases?
MS Access
MS Word
Photoshop
Excel
Explanation - Database management software like MS Access allows users to store, manage, and retrieve data efficiently.
Correct answer is: MS Access
Q.9 Which type of OS allows multiple users to access a computer simultaneously?
Single-user OS
Multi-user OS
Real-time OS
Batch OS
Explanation - Multi-user operating systems allow several users to access the system resources at the same time, e.g., Linux and Unix.
Correct answer is: Multi-user OS
Q.10 What is firmware?
Application software
System software stored in ROM
Virus software
Database software
Explanation - Firmware is a type of system software permanently stored in a hardware device’s ROM to control its functions.
Correct answer is: System software stored in ROM
Q.11 Which operating system is primarily used in Apple laptops and desktops?
Windows
macOS
Linux
Android
Explanation - macOS is the proprietary operating system designed by Apple for its laptops and desktops.
Correct answer is: macOS
Q.12 Which of the following is a real-time operating system?
Windows 10
VxWorks
Ubuntu
macOS
Explanation - VxWorks is a real-time OS used in embedded systems that require precise timing and immediate responses.
Correct answer is: VxWorks
Q.13 Which software is primarily used for creating spreadsheets?
MS Word
MS Excel
MS Access
PowerPoint
Explanation - MS Excel is spreadsheet software used for organizing, analyzing, and storing data in tabular form.
Correct answer is: MS Excel
Q.14 Which OS is widely used for cloud computing and servers?
Linux
Windows 10
macOS
Android
Explanation - Linux is favored in cloud computing and server environments due to its security, stability, and open-source nature.
Correct answer is: Linux
Q.15 What is the main function of an operating system?
Run applications
Manage hardware and software resources
Browse the internet
Create documents
Explanation - The OS acts as an intermediary between hardware and application software, managing resources efficiently.
Correct answer is: Manage hardware and software resources
Q.16 Which of the following is a popular open-source office suite?
Microsoft Office
LibreOffice
Adobe Acrobat
Notepad++
Explanation - LibreOffice is a free and open-source office suite including tools for word processing, spreadsheets, and presentations.
Correct answer is: LibreOffice
Q.17 Which type of OS is used in embedded systems like washing machines?
Desktop OS
Real-time OS
Server OS
Mobile OS
Explanation - Embedded systems require real-time OS to respond instantly to input without delays.
Correct answer is: Real-time OS
Q.18 Which of the following is NOT an example of operating system?
MS-DOS
Windows 10
Google Chrome
Linux
Explanation - Google Chrome is a web browser (application software), not an operating system.
Correct answer is: Google Chrome
Q.19 Which of the following is used to prevent unauthorized access to software and systems?
Antivirus software
Firewall
Word processor
Spreadsheet software
Explanation - A firewall monitors and controls incoming and outgoing network traffic to protect systems from unauthorized access.
Correct answer is: Firewall
Q.20 Which OS is based on the Unix kernel?
Linux
Windows 10
Android
DOS
Explanation - Linux is a Unix-like operating system built on the Unix kernel, providing multiuser and multitasking capabilities.
Correct answer is: Linux
Q.21 Which software helps in browsing the internet?
Web browser
Operating system
Database software
Spreadsheet software
Explanation - Web browsers like Chrome, Firefox, and Edge allow users to access and navigate the internet.
Correct answer is: Web browser
Q.22 Which OS is used in most smartphones worldwide?
Windows Mobile
iOS and Android
Linux Desktop
macOS
Explanation - Android and iOS dominate the smartphone market as mobile operating systems.
Correct answer is: iOS and Android
Q.23 What is the kernel of an operating system?
Graphical interface
Core part that manages resources
Application software
Antivirus software
Explanation - The kernel is the central part of the OS, managing CPU, memory, and device communication.
Correct answer is: Core part that manages resources
Q.24 Which type of software license allows modification and redistribution?
Proprietary software
Open-source software
Trial software
Shareware
Explanation - Open-source software provides access to its source code, allowing users to modify and share it.
Correct answer is: Open-source software