Computer Science
Multiple Choice
Questions
(MCQs) – Sets 23
with Detailed Explanations
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SET 23 – Computer Science MCQs
✅ No repetition from Sets 1–22
✅ 10 brand-new questions
✅ Each explanation
Level: Class 9–10 / Beginners
1. What is a software license?
A. Programming language
B. Legal permission to use software
C. Hardware device
D. Virus
✅ Correct Answer: B
Explanation:
A software license is a legal agreement that gives users permission to install, use, and sometimes modify software under specific conditions. Licenses protect the rights of software creators and explain usage limits. Examples include freeware, shareware, open-source, and proprietary licenses.
2. What is proprietary software?
A. Free software
B. Software owned and controlled by an individual or company
C. Open-source software
D. Public domain software
✅ Correct Answer: B
Explanation:
Proprietary software is owned by a company or individual and its source code is not available to the public. Users must purchase or obtain permission to use it. Examples include Microsoft Windows and Adobe Photoshop. Modification and redistribution are restricted by license terms.
3. What is open-source license?
A. Restrictive license
B. Free internet service
C. License that allows source code access
D. Hardware manual
✅ Correct Answer: C
Explanation:
An open-source license allows users to view, modify, and distribute the software’s source code. It promotes collaboration, learning, and innovation. Popular open-source licenses include GPL and MIT. Open-source software is widely used in education, servers, and development projects.
4. What is freeware?
A. Software with limited trial
B. Paid software
C. Software available at no cost
D. Illegal software
✅ Correct Answer: C
Explanation:
Freeware is software that is available for use at no cost. Users can use it freely, but usually cannot modify or redistribute it. Examples include media players and basic utilities. Freeware differs from open-source software because its source code is typically not shared.
5. What is shareware?
A. Fully free software
B. Software available for trial use
C. Open-source software
D. Operating system
✅ Correct Answer: B
Explanation:
Shareware is software distributed for free on a trial basis. Users can try it before deciding to purchase the full version. Shareware often has time limits or feature restrictions. It allows users to evaluate software before making a buying decision.
6. What is software piracy?
A. Software development
B. Legal software use
C. Illegal copying or distribution of software
D. Software testing
✅ Correct Answer: C
Explanation:
Software piracy involves the illegal copying, sharing, or use of software without proper licensing. It violates copyright laws and harms software developers. Piracy can lead to legal penalties and security risks, as pirated software may contain malware or vulnerabilities.
7. What is copyright?
A. Software bug
B. Legal protection for creators
C. Internet speed
D. Data backup
✅ Correct Answer: B
Explanation:
Copyright is a legal protection given to creators of original works, including software, music, and books. It prevents unauthorized copying or distribution. Copyright ensures creators receive recognition and financial benefits for their work, encouraging creativity and innovation.
8. What is digital rights management (DRM)?
A. Virus protection
B. Password manager
C. Technology to control digital content usage
D. Internet service
✅ Correct Answer: C
Explanation:
Digital Rights Management (DRM) is a technology used to control how digital content is used, copied, or shared. It protects intellectual property by restricting unauthorized access. DRM is commonly used in ebooks, software, and streaming services.
9. What is end-user license agreement (EULA)?
A. Software error
B. Hardware contract
C. Legal agreement between user and software provider
D. Programming language
✅ Correct Answer: C
Explanation:
An End-User License Agreement (EULA) is a legal contract between the software provider and the user. It outlines how the software can be used, restrictions, and user responsibilities. Users usually accept the EULA during software installation.
10. What is ethical computing?
A. Fast computing
B. Illegal software use
C. Responsible and moral use of technology
D. Hardware repair
✅ Correct Answer: C
Explanation:
Ethical computing refers to using technology responsibly and morally. It includes respecting privacy, avoiding piracy, protecting data, and using computers for positive purposes. Ethical computing promotes fairness, security, and trust in the digital world.
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