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Cambridge IGCSE and O Level Computer Science, Edition 2021 (PDF)

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(1)
£ 22.00
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About the book:


Publisher: Hodder Education

Author (s): David Watson and Helen Williams

Pages: 404

Edition: 2021

Language: English

Size: 16 Mb


Content:


SECTION 1 COMPUTER SYSTEMS 1

1 Data representation 2

1.1 Number systems 2

1.2 Text, sound and images 25

1.3 Data storage and file compression 32

2 Data transmission 45

2.1 Types and methods of data transmission 45

2.2 Methods of error detection 54

2.3 Symmetric and asymmetric encryption 63

3 Hardware 75

3.1 Computer architecture 75

3.2 Input and output devices 88

3.3 Data storage 119

3.4 Network hardware 133

4 Software 147

4.1 Types of software and interrupts 147

4.2 Types of programming language, translators and

integrated development environments (IDEs) 165

5 The internet and its uses 180

5.1 The internet and the World Wide Web (WWW) 180

5.2 Digital currency 186

5.3 Cyber security 189

6 Automated and emerging technologies 217

6.1 Automated systems 217

6.2 Robotics 230

6.3 Artificial intelligence (AI) 241

SECTION 2 ALGORITHMS, PROGRAMMING AND LOGIC 257

7 Algorithm design and problem solving 258

7.1 The program development life cycle 258

7.2 Computer systems, sub-systems and decomposition 260

7.3 Explaining the purpose of an algorithm 271

7.4 Standard methods of solution 272

7.5 Validation and verification 276

7.6 Test data 281

7.7 Trace tables to document dry runs of algorithms 282

7.8 Identifying errors in algorithms 285

7.9 Writing and amending algorithms 288

8 Programming 299

8.1 Programming concepts 302

8.2 Arrays 329

8.3 File handling 333

9 Databases 339

9.1 Databases 339

10 Boolean logic 356

10.1 Standard logic gate symbols 356

10.2 The function of the six logic gates 358

10.3 Logic circuits, logic expressions, truth tables and problem statements 360

Index 387

Tags: Cambridge IGCSE pdf, O Level Computer Science pdf, Cambridge Computer Science pdf

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Reviews (1)
Joseph
Joseph
23/06/2023
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