Computer Software MCQs

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Computer Software MCQs

Practice Computer Software MCQs covering system software, application software, utility software and firmware with answers and detailed explanations.

347
Total Questions

Practice Questions

Page 10 of 18
Question #181
What is the function of a software debugger's breakpoint?
A. Pauses execution at a specific line
B. Compiles code
C. Manages memory
D. Links libraries
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Correct Answer: Option A

Explanation:
Breakpoints allow developers to halt program execution to inspect state.
This question belongs to: Computer Computer Software
Question #182
Which of the following is an example of a diagramming software?
A. Outlook
B. Excel
C. Microsoft Visio
D. Word
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Correct Answer: Option C

Explanation:
Visio is used for creating diagrams and flowcharts.
This question belongs to: Computer Computer Software
Question #183
What is the purpose of a software license key?
A. To authenticate and activate the software
B. To speed up execution
C. To manage memory
D. To compress files
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Correct Answer: Option A

Explanation:
License keys are used to verify legal ownership and unlock full features.
This question belongs to: Computer Computer Software
Question #184
Which of the following is a utility software for process management?
A. Registry Editor
B. Control Panel
C. Task Manager
D. File Explorer
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Correct Answer: Option C

Explanation:
Task Manager allows viewing and terminating processes.
This question belongs to: Computer Computer Software
Question #185
What is the difference between a system call and a library call?
A. Library call invokes kernel; system call is user-space
B. System call invokes kernel; library call is user-space
C. System call is for files; library call is for network
D. They are the same
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Correct Answer: Option B

Explanation:
System calls request services from the OS kernel; library calls are in user-space.
This question belongs to: Computer Computer Software
Question #186
Which of the following is an example of a mobile application development software?
A. Outlook
B. MS Word
C. Excel
D. Android Studio
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Correct Answer: Option D

Explanation:
Android Studio is an IDE for developing Android apps.
This question belongs to: Computer Computer Software
Question #187
What is the purpose of a garbage collector in software?
A. Compiles code
B. Manages files
C. Links libraries
D. Automatically deallocates unused memory
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Correct Answer: Option D

Explanation:
Garbage collection frees memory that is no longer in use, preventing leaks.
This question belongs to: Computer Computer Software
Question #188
Which of the following is a type of application software for project collaboration?
A. Calculator
B. Slack
C. Notepad
D. Paint
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Correct Answer: Option B

Explanation:
Slack is a team collaboration and messaging application.
This question belongs to: Computer Computer Software
Question #189
What is the function of a software patch management system?
A. Automates application of updates
B. Controls hardware
C. Manages memory
D. Compiles code
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Correct Answer: Option A

Explanation:
Patch management systems streamline the deployment of security updates.
This question belongs to: Computer Computer Software
Question #190
Which of the following is an example of a utility software for disk partitioning?
A. Cleanup
B. Partition Magic
C. Defrag
D. Backup
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Correct Answer: Option B

Explanation:
Partition Magic is a utility for creating and resizing disk partitions.
This question belongs to: Computer Computer Software
Question #191
What is the main purpose of software documentation?
A. To describe usage and design
B. To increase file size
C. To encrypt software
D. To uninstall software
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Correct Answer: Option A

Explanation:
Documentation helps users and developers understand the software.
This question belongs to: Computer Computer Software
Question #192
Which of the following is a type of system software that provides file sharing?
A. Compiler
B. Network file system (NFS)
C. Debugger
D. Assembler
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Correct Answer: Option B

Explanation:
NFS allows remote file access over a network.
This question belongs to: Computer Computer Software
Question #193
What is the role of a software wrapper?
A. Allows compatibility between different interfaces
B. Manages memory
C. Controls hardware
D. Compiles code
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Correct Answer: Option A

Explanation:
Wrappers provide a compatibility layer for legacy or external systems.
This question belongs to: Computer Computer Software
Question #194
Which of the following is an example of a utility software for system backup?
A. Chkdsk
B. Acronis True Image
C. Cleanup
D. Defrag
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Correct Answer: Option B

Explanation:
Acronis True Image is a comprehensive backup and disaster recovery utility.
This question belongs to: Computer Computer Software
Question #195
Which of the following serves as the primary interface between the computer hardware and the user, managing both hardware resources and application software execution?
A. Language Translator
B. Operating System
C. Utility Program
D. Application Software
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Correct Answer: Option B

Explanation:
The Operating System (OS) is the core system software that acts as an intermediary between the user/applications and the underlying physical hardware.
This question belongs to: Computer Computer Software
Question #196
Software that is explicitly designed to perform a specific task for an end-user, such as creating a spreadsheet or editing a photo, is classified as:
A. Utility Software
B. Application Software
C. System Software
D. Firmware
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Correct Answer: Option B

Explanation:
Application software is designed to accomplish specific user-oriented tasks, unlike system software which runs the background infrastructure.
This question belongs to: Computer Computer Software
Question #197
Which type of utility software is used to reduce the size of a file or folder so that it consumes less storage space and can be transmitted faster over a network?
A. File Compression Utility
B. Disk Defragmenter
C. Backup Utility
D. Antivirus Software
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Correct Answer: Option A

Explanation:
File compression utilities (like WinRAR or 7-Zip) use algorithms to reduce file sizes to save disk space and transmission time.
This question belongs to: Computer Computer Software
Question #198
A specialized program that translates an entire high-level source code file into machine language all at once, creating an executable file, is known as a/an:
A. Compiler
B. Assembler
C. Linker
D. Interpreter
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Correct Answer: Option A

Explanation:
A compiler translates the entire source code into machine code in one single operation before execution, whereas an interpreter does it line-by-line.
This question belongs to: Computer Computer Software
Question #199
Which system software component is responsible for locating and loading the operating system kernel into the primary memory (RAM) during the boot process?
A. Bootstrap Loader
B. File Manager
C. Linker
D. Device Driver
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Correct Answer: Option A

Explanation:
The bootstrap loader is a small initial program stored in ROM that executes during startup to load the core operating system into RAM.
This question belongs to: Computer Computer Software
Question #200
Disk cleanup, disk defragmentation, and antivirus scanning tools belong to which specific classification of software?
A. Firmware Software
B. Utility Software
C. Operating System Kernels
D. System Management Application Software
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Correct Answer: Option B

Explanation:
Utility software comprises maintenance tools designed to analyze, configure, optimize, or maintain a computer system's operational health.
This question belongs to: Computer Computer Software

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