Class 9 Computer Science — Chapter 1: Computer System Organization
8 practice questions · 3 Easy · 3 Medium · 2 Hard
Practise Class 9 Computer Science Chapter 1, "Computer System Organization", with 8 NCERT-aligned multiple-choice questions. The set is split into 3 Easy, 3 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 and the JEE & NEET foundation years.
"Computer System Organization" 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 Computer System Organization, 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 9 Computer Science mastery score. A few sample questions are shown below; sign in free to practise all 8.
Sample questions
Which is an operating system?
Windows, Linux, macOS are OSes; the rest are application software.
The CPU's three main parts are:
Arithmetic-Logic Unit, Control Unit, Registers.
Which statement is TRUE?
RAM loses data on power-off; ROM retains it.
Computer System Organization — FAQs
What does Class 9 Computer Science Chapter 1 (Computer System Organization) cover on XamBaaz?+
It covers 8 NCERT-aligned MCQs on "Computer System Organization" — 3 Easy, 3 Medium and 2 Hard — each with a timed quiz and an instant explanation, suitable for CBSE Board exams and the JEE & NEET foundation years.
Are these "Computer System Organization" questions free to practise?+
Yes — sign in with Google to practise "Computer System Organization" free. Full unlimited access is ₹999/year (limited-time launch price), with no per-chapter charges.
How should I revise "Computer System Organization" 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 8 questions free
Timed quizzes, instant scoring, streaks and XP. Sign in with Google — no card needed.
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