Skip to main content
Super TutorResources
Chapter 12 of 13
QuestionsNotesFlashcardsSummaryFormulasQuizConceptsSyllabusPlan
Revision Notes

Security Aspects

Jharkhand Board · Class 12 · Computer Science

Quick revision notes for Security Aspects — Jharkhand Board Class 12 Computer Science. Key concepts, formulas, and definitions for last-minute revision.

42 questions84 flashcards5 concepts

Interactive on Super Tutor

Studying Security Aspects? Get the full interactive chapter.

Quizzes, flashcards, AI doubt-solver and a step-by-step study plan — built for revision notes and more.

Try Super Tutor — Free

1,000+ Class 12 students started this chapter today

An infographic illustrating various types of network security threats and their general impact, providing a high-level understanding of the chapter's scope.
Super Tutor

Super Tutor has 20+ illustrations like this for Security Aspects alone — flashcards, concept maps, and step-by-step visuals.

See them all

Key Topics to Revise

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.

Get complete notes with diagrams and examples

Full Notes

Key Concepts

Malware is short for malicious softwareA virus is malicious software codeA worm is standalone malwareRansomware blocks access to user dataA trojan is malware disguised as

Frequently Asked Questions

What are the important topics in Security Aspects for Jharkhand Board Class 12 Computer Science?
Security Aspects covers several key topics that are frequently asked in Jharkhand Board Class 12 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Security Aspects — Jharkhand Board Class 12 Computer Science?
Understand the core concepts first, then work through the 42 practice questions available for this chapter. Revise formulas and 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.

More resources for Security Aspects

All 13 chapters — Jharkhand Board Class 12 Computer Science Revision Notes

For serious students

Get the full Security Aspects chapter — for free.

Quizzes, flashcards, AI doubt-solver and a step-by-step study plan for Jharkhand Board Class 12 Computer Science.

Try Super Tutor Free
Try the full chapter — Free