Class 11 Computer Science — Chapter 2: Encoding Schemes and Number Systems
6 practice questions · 2 Easy · 2 Medium · 2 Hard
Practise Class 11 Computer Science Chapter 2, "Encoding Schemes and Number Systems", with 6 NCERT-aligned multiple-choice questions. The set is split into 2 Easy, 2 Medium and 2 Hard questions, so you can warm up on the fundamentals and then push into the exam-level problems that separate top scorers in CBSE Board exams.
"Encoding Schemes and Number Systems" is one of the chapters where logic, syntax and computational-thinking questions really pays off. Each MCQ on this chapter is timed and uses exam-grade marking (+2 correct, −1 wrong, 0 skipped), training the same accuracy-under-pressure that real papers demand. Every question carries a short explanation, so a wrong answer becomes a quick lesson rather than a dead end — the fastest way to close gaps before a test.
Use this chapter as targeted revision: attempt the Easy set first to confirm your basics on Encoding Schemes and Number Systems, then move to Medium and Hard to test application and problem-solving. Your accuracy, streaks and XP save automatically, and the chapter feeds into your overall Class 11 Computer Science mastery score. A few sample questions are shown below; sign in free to practise all 6.
Sample questions
ASCII uses ___ bits originally.
7-bit ASCII (extended ASCII uses 8).
Decimal 10 in binary:
8+2=10.
Unicode supports:
Standard for global text.
Encoding Schemes and Number Systems — FAQs
What does Class 11 Computer Science Chapter 2 (Encoding Schemes and Number Systems) cover on XamBaaz?+
It covers 6 NCERT-aligned MCQs on "Encoding Schemes and Number Systems" — 2 Easy, 2 Medium and 2 Hard — each with a timed quiz and an instant explanation, suitable for CBSE Board exams.
Are these "Encoding Schemes and Number Systems" questions free to practise?+
Yes — sign in with Google to practise "Encoding Schemes and Number Systems" free. Full unlimited access is ₹999/year (limited-time launch price), with no per-chapter charges.
How should I revise "Encoding Schemes and Number Systems" for the exam?+
Start with the Easy quiz to confirm your fundamentals, then attempt Medium and Hard for application-level practice. Review each explanation, retry the questions you miss, and track your accuracy on this chapter until it is consistently high.
Practise all 6 questions free
Timed quizzes, instant scoring, streaks and XP. Sign in with Google — no card needed.
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