NIOS Class 12 Computer Science — Important Questions (Board Exams 2027)
NIOS Class 12 Computer Science important questions, chapter by chapter — 217 questions with answers across 5 chapters. For the board exams 2027.
How to use this page
Each chapter below has important questions with answers for the NIOS board exams 2027. Write your answers out before checking — reading alone doesn't build exam speed.
Chapter-wise Important Questions — 5 Chapters
Which of the following is the correct order of memory units from smallest to largest?
A laser printer is sometimes called a 'page printer'. What is the reason for this name?
Which memory is placed between the CPU and main memory to increase processing speed by reducing the time taken to access frequently used data?
What is the 1's complement of the binary number 11001?
What is the 2's complement of the binary number 11001?
What does ASCII stand for?
Which of the following is an example of Application Software?
What does JCL stand for in the context of Operating Systems?
Which language does a computer directly understand?
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Where can I find NIOS Class 12 Computer Science Important Questions?
This page has important questions for 5 chapters of NIOS Class 12 Computer Science for the board exams 2027. Each chapter links to its own page with the full set.
How should I prepare for NIOS Class 12 Computer Science board exams?
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.
Which chapters of NIOS Class 12 Computer Science should I practise first?
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.
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NIOS Class 12