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CBSE Class 11 Computer Science — Important Questions

CBSE Class 11 Computer Science important questions, chapter by chapter — 529 questions with answers across 11 chapters. Follows the CBSE syllabus.

How to use this page

Each chapter below has important questions with answers for Class 11 exams. Write your answers out before checking — reading alone doesn't build exam speed.

Chapter-wise Important Questions — 11 Chapters

1

Computer System

43 questions
multiple correct

Which of the following are input devices? (Select all correct answers)

true false

RAM is volatile memory.

text answer

The first generation of microprocessors used _____ technology.

All 43 questions on Computer System
multiple choice

How many bits are required to represent one hexadecimal digit?

multiple correct

Which of the following are characteristics of UNICODE? (Select all correct answers)

multiple choice

What is the octal equivalent of binary number (101110)₂?

All 86 questions on Encoding Schemes and Number System
3

Emerging Trends

47 questions
multiple correct

Which of the following are characteristics of Big Data? (Select all correct answers)

multiple correct

Which of the following are types of cloud services? (Select all correct answers)

multiple choice

Natural Language Processing (NLP) deals with:

All 47 questions on Emerging Trends

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Frequently Asked Questions

Where can I find CBSE Class 11 Computer Science Important Questions?

This page has important questions for 11 chapters of CBSE Class 11 Computer Science for the 2026-27 session. Each chapter links to its own page with the full set.

Go through the syllabus first, then work chapter by chapter: learn the ideas, practise questions, and revise with notes and flashcards. Leave time at the end to revise every chapter once more under timed conditions.

Start with the chapters you find hardest and the ones your teacher flags as high-weightage, then cover the rest. Each chapter page lists its important questions with answers.

Browse Important Questions by Chapter

11 chapters

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