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Computer System

CBSE · Class 11 · Computer Science

Step-by-step guide to study Computer System in CBSE Class 11 Computer Science. Topics to cover, practice strategy, and time allocation.

43 questions80 flashcards5 concepts

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Study Plan

1
Day 1–2

Learn the Theory

Read the textbook chapter carefully. Note down definitions, formulas, and key concepts.

2
Day 3

Practice Problems

Solve textbook exercises and additional practice questions. There are 43 questions available for this chapter.

3
Day 4

Revise & Test

Revise key formulas and concepts without looking at notes. Take a practice quiz to test your understanding. Mark weak areas for re-revision.

4
Day 7

Spaced Revision

Revisit Computer System after a week. Use flashcards for quick recall. Solve previous year questions from this chapter.

What to Focus On

  • A computer system includes CPU, memory, input/output devices, and storage devices.
  • CPU is the brain of the computer and carries out actual processing.
  • Registers are small, fast storage locations inside the CPU chip.

  • Input devices convert data into digital form.
  • Output devices convert digital information into human-understandable form.
  • Braille input and output devices support visually impaired users.

  • Von Neumann architecture includes CPU, memory, input/output devices, and communication channels.
  • ENIAC is the first binary programmable computer based on Von Neumann architecture.
  • Moore's Law predicted transistor count doubling every two years.

Common Mistakes to Avoid

CPU and microprocessor mean exactly the same thing in every context.

RAM stores data permanently, just like a hard disk or other storage device.

ROM is used for temporary working data, while RAM stores the boot program.

Memory Tips

A computer system primarily comprises CPU, memory, input/output devices and storage devices

CPU has ALU, CU and registers

ALU performs arithmetic and logic operations

CU controls instruction execution, interprets instructions and guides data flow

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Frequently Asked Questions

What are the important topics in Computer System for CBSE Class 11 Computer Science?
Computer System covers several key topics that are frequently asked in CBSE Class 11 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Computer System — CBSE Class 11 Computer Science?
Understand the core concepts first, then work through the 43 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 Computer System

All 11 chapters — CBSE Class 11 Computer Science Study Plan

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