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Contributed by: Musuffa Shahzad
Are you looking for the Class 12th Computer Science notes for Federal Board?
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- Operating System
- System development cycle
- Object-oriented programming C++
- Control Structure
- Arrays and strings
- Functions
- Pointers
- Object and Classes
- File handling
Chapter 1 - Operating System
This Chapter 1 notes have:
- Give a brief introduction to the operating system?
- The earliest computers were programmed without an operating system. The user would prepare his or her program on paper (often coding in machine language), then enter it into the computer using switches and press "start." If a mistake was made in setting up the switches, or if there was a problem with a calculation, the only way to correct it was to start over again from scratch.
- As applications grew more sophisticated and programming languages became more abstracted from machine language, people began to write compilers so that the source code could be entered once, compiled into machine language and then executed repeatedly without having to set up the switch
- Operating systems act as an intermediary between the user and the computer hardware. Operating system is an assortment of programs written by programmers. The CPU executes all kinds of programs, acting as an intermediary between the user of a computer and the computer hardware.
- The dominant desktop operating system is Microsoft Windows with a market share of around 82.74%, Mac OS X by Apple Inc. has a market share of around 9.81% while Linux has about 0.99%. In the mobile sector, use in 2017 is up to 70% of Google's Android and 28.5% for Apple's iOS.
- What is an operating system?
- Explain the commonly used operating system?
- Much more!
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- Content: Short and Long Answers | Solved Exercises | MCQs
Chapter 2 - System development cycle
This Chapter 2 notes have:
- What is meant by a system development system?
- What is Software Engineering?
- Briefly explain the term "system"
- Much More!
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Chapter 3 - Object oriented programming C++
This Chapter 3 notes have:
- Give a brief introduction to C++?
- What is meant by a computer programming
- Define the development of a program, machine language
- Much More!
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Chapter 4- Control Structure
This Chapter 4 notes have:
- Give a brief introduction to control structure
- Give a brief introduction to the decision-making statement
- What is the use of the IF statement
- Much More!
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- Content: Short and Long Answers | Solved Exercises | MCQs
Chapter 5- Arrays and strings
This Chapter 5 notes have:
- Give a brief introduction to arrays of C++
- What is meant by an array
- How do we declare an array in C++
- Much more
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- Content: Short and Long Answers | Solved Exercises | MCQs
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[Preview Chapter 5 Online ##eye##]
[Download Chapter 5 PDF ##download##]
Chapter 6- Functions
This Chapter 6 notes have:
- What is meant by function?
- Explain the types of function in C++
- Method to define a user-defined function
- Much More
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- Content: Short and Long Answers | Solved Exercises | MCQs
Chapter 7- Pointers
This Chapter 7 notes have:
- What are the pointers in C++?
- What is meant by the pointer variable
- Describe the concept of the memory address in declaring a variable
- Much More
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Chapter 8- Object and Classes
This Chapter 8 notes have:
- What is the main purpose of programming C++
- Explain the concept of class in C++
- Describe the members of the class
- Much more
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- Content: Short and Long Answers | Solved Exercises | MCQs
Chapter 9- File handling
These Chapter 9 notes have:
- Give a brief introduction to file and file handling
- Explain the types of files in C++
- Explain the concept of opening a file
- Much more
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- ##check##Chapter 9
- Content: Short and Long Answers | Solved Exercises | MCQs
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