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

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Question #121
Which of the following is a utility software for removing malware?
A. Malwarebytes
B. Adobe Reader
C. WinRAR
D. VLC
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Correct Answer: Option A

Explanation:
Malwarebytes is an anti-malware utility.
This question belongs to: Computer Computer Software
Question #122
What is the difference between 32-bit and 64-bit software?
A. Speed only
B. Memory addressing capacity
C. No difference
D. File size only
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Correct Answer: Option B

Explanation:
64-bit software can address more than 4 GB of RAM, while 32-bit is limited.
This question belongs to: Computer Computer Software
Question #123
Which of the following is a type of system software that manages disk drives?
A. Disk Management
B. Registry Editor
C. Task Manager
D. Control Panel
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Correct Answer: Option A

Explanation:
Disk Management handles partitioning and formatting of drives.
This question belongs to: Computer Computer Software
Question #124
What is the purpose of a virtual machine (VM)?
A. To run an OS inside another OS
B. To speed up internet
C. To edit documents
D. To increase memory
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Correct Answer: Option A

Explanation:
VMs allow multiple operating systems to run on a single physical machine.
This question belongs to: Computer Computer Software
Question #125
Which of the following is an example of a CAD software?
A. Photoshop
B. Premiere Pro
C. AutoCAD
D. MS Word
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Correct Answer: Option C

Explanation:
AutoCAD is application software for computer-aided design.
This question belongs to: Computer Computer Software
Question #126
What is the role of the shell in Unix/Linux?
A. Manages files
B. Compiles code
C. Manages hardware
D. Interprets user commands
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Correct Answer: Option D

Explanation:
The shell (e.g., Bash) takes user commands and executes them.
This question belongs to: Computer Computer Software
Question #127
Which of the following is a type of utility software for monitoring system health?
A. System Monitor
B. Defrag
C. Cleanup
D. Backup
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Correct Answer: Option A

Explanation:
System Monitor (like Resource Monitor) tracks CPU, memory, and disk usage.
This question belongs to: Computer Computer Software
Question #128
What is the main function of an API?
A. Compiles code
B. Manages hardware
C. Defines how software components interact
D. Provides user interface
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Correct Answer: Option C

Explanation:
APIs specify protocols for communication between software programs.
This question belongs to: Computer Computer Software
Question #129
Which of the following is an example of a web-based application?
A. Excel on desktop
B. Google Docs
C. Photoshop
D. MS Word offline
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Correct Answer: Option B

Explanation:
Google Docs runs in a web browser without local installation.
This question belongs to: Computer Computer Software
Question #130
What is the purpose of a compiler's optimization?
A. To improve performance of generated code
B. To fix bugs
C. All of the above
D. To reduce memory usage
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Correct Answer: Option A

Explanation:
Optimization enhances code efficiency in terms of speed or size.
This question belongs to: Computer Computer Software
Question #131
Which of the following is a type of system software that provides virtualization?
A. Word
B. Chrome
C. Hyper-V
D. Photoshop
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Correct Answer: Option C

Explanation:
Hyper-V is a Microsoft hypervisor for creating virtual machines.
This question belongs to: Computer Computer Software
Question #132
What is the difference between a file and a folder?
A. Folder is for applications; file is for documents
B. They are the same
C. File stores folders; folder stores data
D. Folder stores files; file stores data
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Correct Answer: Option D

Explanation:
A folder (directory) is a container for files and other folders.
This question belongs to: Computer Computer Software
Question #133
Which of the following is a utility software for checking system information?
A. Notepad
B. Word
C. System Information (msinfo32)
D. Paint
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Correct Answer: Option C

Explanation:
System Information provides details about hardware and software configuration.
This question belongs to: Computer Computer Software
Question #134
What is the purpose of a code library?
A. To manage hardware
B. To compile programs
C. To store user data
D. To provide reusable code modules
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Correct Answer: Option D

Explanation:
Libraries contain pre-written code that programmers can reuse.
This question belongs to: Computer Computer Software
Question #135
Which of the following is an example of a presentation software?
A. Excel
B. Access
C. Word
D. Keynote
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Correct Answer: Option D

Explanation:
Keynote is Apple's presentation application software.
This question belongs to: Computer Computer Software
Question #136
What is the role of a spooler in printing?
A. Converts documents to PDF
B. Queues print jobs
C. Scans documents
D. Edits images
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Correct Answer: Option B

Explanation:
A spooler holds print jobs in a queue and sends them to the printer in order.
This question belongs to: Computer Computer Software
Question #137
Which of the following is a type of system software that manages user accounts?
A. Device Manager
B. User Account Control (UAC)
C. Disk Cleanup
D. File Explorer
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Correct Answer: Option B

Explanation:
UAC is a security feature that controls user permissions and privilege levels.
This question belongs to: Computer Computer Software
Question #138
What is the purpose of a software updater?
A. To change licensing
B. To download and install the latest versions
C. To uninstall software
D. To delete old files
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Correct Answer: Option B

Explanation:
Updaters fetch and apply new versions to fix bugs and add features.
This question belongs to: Computer Computer Software
Question #139
Which of the following is an example of a utility software for disk encryption?
A. Backup
B. Cleanup
C. Defrag
D. BitLocker
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Correct Answer: Option D

Explanation:
BitLocker is a Windows utility that encrypts entire drives.
This question belongs to: Computer Computer Software
Question #140
What is the main difference between a compiler and a transpiler?
A. Compiler is faster; transpiler is slower
B. Compiler is for high-level; transpiler is for low-level
C. No difference
D. Compiler targets machine code; transpiler targets another source language
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Correct Answer: Option D

Explanation:
Transpilers convert code from one high-level language to another.
This question belongs to: Computer Computer Software

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