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Pre-release materials and Solutions

Past Papers 0478/2210

May/June 2015

Oct/Nov 2015

May/June 2016

Oct/Nov 2016

May/June 2017

Oct/Nov 2017

May/June 2018

Oct/Nov 2018

May/June 2019

Oct/Nov 2019

May/June 2020

Oct/Nov 202

Past Papers 0478/2210

May/June 2015 [P1] [P2]

Oct/Nov 2015 [P1] [P2]

May/June 2016 [P1] [P2]

Oct/Nov 2016 [P1] [P2]

May/June 2017 [P1] [P2]

Oct/Nov 2017 [P1] [P2]

May/June 2018 [P1] [P2]

Oct/Nov 2018 [P1] [P2]

May/June 2019 [P1] [P2]

Oct/Nov 2019 [P1] [P2]

May/June 2020 [P1] [P2]

Oct/Nov 202 [P1] [P2]

Section 1 Theory of CAIE computer science 0478/2210

Chapter 1

Binary systems and hexadecimal 1.1 Introduction 1.2 The binary system 1.3 Measurement of the size of computer memories 1.4 Example use of binary 1.5 The hexadecimal system 1.6 Use of the hexadecimal system

Chapter 2

Communication and internet technologies

2.1 Introduction2.2 Data transmission 2.3 Error-checking methods 2.4 Internet technologies

Chapter 3

Logic gates and logic circuits

3.1 Introduction 3.2 Logic gates 3.3 Truth tables 3.4 The function of the six logic gates 3.5 Logic circuits 3.6 Logic circuits in the real world

CHAPTER 4

Operating systems and computer architecture

4.1 Introduction

4.2    Operating systems
4.3    Interrupts
4.4    Computer architecture

4.5 The fetch–execute cycle

CHAPTER 5

Input and output devices

5.1 Introduction

5.2 Input devices

5.3 Output devices

CHAPTER 6

Memory and data storage

6.1 Introduction

6.2 File formats

6.3 Lossless and lossy file compression

6.4 Memory and storage

6.5 How to estimate the size of a file

CHAPTER 7

High- and low-level languages 7.1 Programming languages 7.2 Translators 7.3 What happens when things go wrong?info

CHAPTER 8

Security and ethics

8.1 Introduction

8.2 Security and data integrity

8.3 Cookies

8.4 Loss of data and data corruption

8.5 Firewalls and proxy servers

8.6 Security protocols

8.7 Encryption

8.8 Applications

8.9 Computer ethics

8.10 Free software, freeware and shareware

Section 2 Practical problem-solving and programming of CAIE computer science 0478/2210

Chapter 9

Problem-solving and design 9.1 Introduction 9.2 Algorithms 9.3 Test data 9.4 Validation and verification 9.5 Using trace tables 9.6 Identifying and correcting errors 9.7 Producing algorithms

Chapter 10

Pseudocode and flowcharts 10.1 Introduction 10.2 Assignment 10.3 Conditional statements 10.4 Loop structures 10.5 Input and output statements 10.6 Standard actions 10.7 Examples of algorithms in pseudocode 10.8 Standard flowchart symbols

Chapter 11

Programming concepts 11.1 Introduction 11.2 Programming 11.3 Declaration and use of variables and constants 11.4 Basic data types 11.5 How to make your program work

CHAPTER 12

Data structures: arrays and using pre-rele material 12.1 Introduction 12.2 Arrays 12.3 Using pre-release material

CHAPTER 13

13 Databases 13.1 Introduction 13.2 What are databases used for? 13.3 The structure of a database 13.4 Practical use of a database