WBCHSE Class 12 Modern Computer Application Sem 4,5 MARKS Important Ques & Ans/Hindi & English 2026

WBCHSE Class 12 Modern Computer Application Sem 4 & 5 – Most Important Questions & Answers (Hindi & English)

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Prepare smartly for WBCHSE Class 12 Modern Computer Application Semester 4 & 5 exams with this ultimate question and answer guide in Hindi & English! ✅ Get all high-yield questions for 4 & 5 marks, carefully selected to boost your marks.
💡 Perfect for last-minute revision!
🔥 Stay ahead with top scoring questions that are trending among students.
This guide is designed for easy understanding, quick memorization, and scoring full marks in your computer application exams.

Complete Hindi & English version for bilingual learners
Covers all 4 & 5 mark questions
Easy short answers for quick revision
Useful for online quizzes & exams
Written in simple language for 100% understanding
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An Operating System (OS) is the main software that acts as an interface between the hardware and the user. It controls computer resources such as CPU, memory, and input/output devices.
Main Functions:
Process and resource management
Memory management
File system management
Providing security and user interface

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