Class 12 Computer Science Notes (FBISE & All Boards) | Ask Rare Class Notes

Class-12 Computer Science  SLO Based Key Point Notes 

Welcome to Class 12 Computer Science Notes, your complete and reliable source for exam preparation. This page provides chapter-wise notes, solved exercises, MCQs, short questions, and long questions according to the latest syllabus of FBISE and all major boards of Pakistan.

The Class 12 Computer Science (SLO Based) Key Point Notes of All Units are based on the latest (New) syllabus/course 2026 - 2027 and onward for the Examination 2026 and onwards under the Federal Board of Intermediate and Secondary Education (FBISE), Islamabad, Punjab Boards, Rawalpindi, Lahore, Karachi board, etc. and All other boards in Pakistan and abroad. 

These 12th Class (class-XII)/ Higher Secondary Level Computer Science Notes comprise "All unit's Exercise MCQs (Multiple Choice Questions), Short Response Exercise Questions and answers and Miscellaneous (within the chapter) Questions and answers " from the New Computer Science book for the class XII centralized examination 2026 and onwards. 

These notes are designed to help students understand concepts easily and prepare effectively for board exams.

Are you searching for complete Class 12 Computer Science Notes for exam preparation? You’re in the right place! These notes are designed according to the latest FBISE and all Pakistan boards syllabus to help students understand concepts easily and score high marks. 

📚 What You Will Get

✔️ Chapter-wise Computer Science Notes
✔️ Important MCQs with answers
✔️ Short Questions (SAQs)
✔️ Long Questions (LAQs)
✔️ Past Paper Questions
✔️ Easy explanations of all concepts

Please Select from below:👇👇👇👇

📘 Unit-1: OPERATING SYSTEM 1.1.1 Introduction to Operating System: 1.1.2 Commonly Used Operating Systems 1.1.3 Types of Operating Systems 1.1.4 Single User and Multiuser Operating Systems 1.2: Operating System Functions 1.3.1 Process Definition: 1.3.2 Various States of a Process 1.3.3 Thread and Process 1.3.4 Multithreading: 1.3.5 Multitasking: 1.3.4 Multithreading: Chapter 1 (Complete Key Point Notes) 📘 Unit-2: System Development Life Cycle 2.1.1: A System: 2.1.2: System Development Life Cycle (SDLC) and its important 2.1.3: Objectives of SDLC: 2.1.4: Stakeholders of SDLC: 2.1.5: SDLC Phases or Steps: 2.1.6: Personnel Involved in SDLC and their Role: Chapter 2 (Complete Key Point Notes) 📘 Unit-3: Object-Oriented Programming in C++ 3.1 Introduction to Object-Oriented Programming (OOP): 3.1.1 Computer Program/Software: 3.1.2 Header File and Reserved Words 3.1.3 Structure of C++ Program 3.1.4 C++ program statement Terminator: 3.1.5 Comment statement in C++ Program: 3.2.1 C++ Constants and Variables 3.2.2 Rules for Naming a Variable: 3.2.3 Different C++ data types for variable 3.2.4 The Constant Qualifier (const) 3.2.5 Variable Declaration and Initialization 3.2.6 Type Casting 3.3: Input / Output Handling 3.3.1 The cout Statement 3.3.2 The cin Statement: 3.3.3 The getch() function: 3.3.4 Commonly Used Escape Sequences 3.3.5 Commonly Used Escape Sequences 3.3.6 The Programing with I/O Handling Function 3.3.7 The Manipulators endl and setw 3.4.1 Types of Operator in C++: 3.4.2 UNARY, BINARY AND TERNARY OPERATORS 3.4.3 Order of Precedence of Operator 3.4.4 Expression in C++ 4.1.4. The Switch Statement: Chapter 3 (Complete Key Point Notes) 📘 Unit-4: Control Structures 4.1. Control Structure 4-1-1 The if statement 4.1.3. The else-if Statement: 4.1.4. The Switch Statement: 4.1.5. Differentiate between ELSE- IF and SWITCH 4.2. Loop 4.2.1. The for Loop 4.2.2. The While loop: 4.2.3. The do-while loop 4.2.4. Differentiate between while and do-while loop 4.2.5. The break and Continue Statement 4.2.6 Exit() Function 4.2.7. Nested Loop Chapter 4 (Complete Key Point Notes) 📘 Unit-5: Unit 5: Arrays and String 5.1. Introduction to Arrays: 5.1.1 Comcept of an Array: 5.1.2. Declaring (defining) an Array 5.1.3. Initialization of Array 5.1.4. Using Arrays in Programs: 5.1.5. The Sizeof() Function 5.2.1. Introduction of Two-Dimensional Arrays 5.2.2. Defining and Initializing a Two-Dimensional Array: 5.2.3. Accessing and Filling a 2D array 5.3.1 Introduction to Strings 5.3.2 Defining (declaration) a String 5.3.2 Initializing a String 5.4 Commonly used String Function Chapter 5 (Complete Key Point Notes) 📘 Unit-6: Functions Chapter 6 (Complete Key Point Notes) 📘 Unit-7: Pointer Chapter 7 (Complete Key Point Notes) 📘 Unit-8: Classes and Objects Chapter 8 (Complete Key Point Notes) 📘 Unit-9: File Handling Chapter 9 (Complete Key Point Notes)

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Computer Science 11th Class Notes (Main Page)

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{Contact WhatsApp # +923339719149 for Class-XI & XII Computer Science Complete SLO-Based Key Points notes in pdf format as well as in PowerPoint Presentation for preparing/delivering the Lectures}

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