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A1.1 Computer hardware and operation

A1.2 Data representation and computer logic

A1.3 Operating systems and control systems

A1.4 Translation (HL only)

A2.1 Network fundamentals

A2.2 Network architecture

A2.3 Data transmissions

A2.4 Network security

A3.1 Database fundamentals

A3.2 Database design

A3.3 Database programming

A3.4 Alternative databases and data warehouses (HL only)

A4.1 Machine learning fundamentals

A4.2 Data preprocessing (HL only)

A4.3 Machine learning approaches (HL only)

A4.4 Ethical considerations

B1.1 Approaches to computational thinking

B2.1 Programming fundamentals

B2.2 Data structures

B2.3 Programming constructs

B2.4 Programming algorithms

B2.5 File processing

B3.1 Fundamentals of OOP for a single class

B3.2 Fundamentals of OOP for multiple classes (HL only)

B4.1 Fundamentals of ADTs

IB Computer Science Topic A1.1: Computer Hardware and Operation

IB Computer Science Topic A1.1 Computer Hardware and Operation (SL/HL) covers syllabus content. Use these Notes, Questionbank, Flashcards, and Lessons to review the topic, practise exam questions, and move between notes, videos, flashcards, and lessons where available.

Practice

Question Bank

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52 questions

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Study Guide

Bite-sized topic summaries

22 chapters

Lessons

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10 lessons

Flashcards

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9 flashcard decks

Reference

Key Definitions

Essential terms and concepts explained

24 definitions

What this topic covers

A1.1.1 Functions and Interactions of the Main CPU Components

A1.1.2 Role of a GPU

A1.1.3 Differences Between the CPU and GPU (HL only)

A1.1.4 Purposes of Different Types of Primary Memory

A1.1.5 Fetch, Decode, and Execute Cycle

A1.1.6 Process of Pipelining in Multi-Core Architectures (HL only)

A1.1.7 Internal and External Types of Secondary Memory Storage

A1.1.8 Concept of Compression

A1.1.9 Different Types of Services in Cloud Computing