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Syllabus

Security Aspects — Syllabus

Jharkhand Board · Class 12 · Computer Science

What Security Aspects covers in Jharkhand Board Class 12 Computer Science: 4 topics, for the 2026-27 session. Topics include Threats and Prevention.

42 questions84 flashcards5 concepts

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An infographic illustrating various types of network security threats and their general impact, providing a high-level understanding of the chapter's scope.
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4 Topics · Jharkhand Board Class 12 Computer Science · 2026-27

Topics in Security Aspects

1

1. Threats and Prevention

  • Network security protects a device and its data from illegitimate access or misuse.
  • A computer that is not connected to any external device or network is less exposed to network threats.
  • Connected systems need security because modern communication depends on networks and the Internet.
2

2. Malware

  • Malware is a short term for malicious software.
  • Malware is designed to damage hardware, steal data, or create trouble for the user.
  • Types of malware covered here include virus, worm, ransomware, Trojan, spyware, adware, and keylogger.
3

3. Virus, Worm, Ransomware, Trojan, Spyware, Adware, Keylogger

  • A virus is malicious software code that hampers computer resources such as CPU time, memory, files, or sensitive information.
  • A virus needs a host program and human triggering, usually when an infected file is opened or executed.
  • A virus remains dormant until activation.
4

4. Antivirus and Malware Identification

  • Antivirus is also known as anti-malware.
  • Originally, antivirus software detected and removed only viruses.
  • Modern antivirus software handles a wide range of malware.

Key Concepts

Central concept: Computer Security and Network Threats

Threats and PreventionMalwareVirusWormRansomwareTrojanSpywareAdware

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Frequently Asked Questions

What are the important topics in Security Aspects for Jharkhand Board Class 12 Computer Science?
Key topics in Security Aspects include Threats and Prevention, Malware, Virus, Worm, Ransomware, Trojan, Spyware, Adware, Keylogger, Antivirus and Malware Identification. Study these first, then practise questions on each for the Jharkhand Board Class 12 board exam.
How should I revise Security Aspects for the Jharkhand Board Class 12 board exam?
Learn the core ideas first, then work through the 42 practice questions on Security Aspects. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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All Jharkhand Board Class 12 Computer Science Syllabus

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