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A 2.1 Network fundamentals
A2.1 introduces the building blocks of networks. It includes network types and characteristics, modern digital infrastructure, network devices, transport and application protocols, and the TCP/IP model...
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A 2.1 Network fundamentals
Network fundamentals cover the purpose and characteristics of different networks, including LANs, WANs, PANs, and VPNs. Key components of modern digital infrastructure like the internet, cloud computing,...
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Choosing an IDE
Your choice of tools shapes how much of your time goes into solving problems and how much goes into fighting the software. Under the current syllabus you may work in either Python or Java, and the sensible...
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A 1.4 Translation (HL only)
A1.4 Translation (HL only) covers the evaluation of translation processes of interpreters and compilers. It includes the mechanics and use-cases of each translation approach. The topic also addresses...
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A 1.3 Operating systems and control systems
A1.3 covers how an operating system manages a computer's resources, and how control systems work (HL). It includes the role and functions of the OS, scheduling, polling and interrupts, and control system...
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A 1.2 Data representation and computer logic
A1.2 covers how computers represent data and make logical decisions. It includes binary and hexadecimal representation, logic gates, truth tables, and logic diagrams. This page holds the lessons and the...
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A 1.1 Computer Hardware and Operation
A1.1 covers how a computer's hardware carries out instructions. It includes CPU components and the machine cycle, primary and secondary memory, compression, and cloud computing services. This page holds...
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B4 Abstract Data Types
B4 Abstract Data Types examines which ADTs suit different situations. It covers the fundamentals of ADTs, including linked lists, binary search trees, sets, and hash tables. Open the subtopic below for...
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B3 Object-oriented programming
B3 Object-oriented Programming examines whether OOP is a suitable paradigm for complex problems. It spans the fundamentals of OOP for a single class and, at HL, the fundamentals of OOP across multiple...
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B2 Programming
B2 Programming develops the practical coding skills used to solve problems. It spans programming fundamentals, data structures, programming constructs, programming algorithms, and file processing. Open...