Paper 1 - Theory Fundamentals

Information Representation

7 Topics | 5 Quizzes
Multimedia

3 Topics | 3 Quizzes
Compression

1 Topic | 1 Quiz
Networks including the Internet

12 Topics | 6 Quizzes
Computer Hardware

9 Topics | 6 Quizzes
Processor Fundamentals

6 Topics | 2 Quizzes
System Software

3 Topics | 3 Quizzes
Ethics and Ownership

3 Topics | 1 Quiz
Databases

6 Topics | 1 Quiz
Paper 2 - Problem Solving & Programming Skills

Computational Thinking

3 Topics
Algorithms

5 Topics | 1 Quiz
Data Types & Structures

6 Topics | 1 Quiz
Programming

8 Topics | 1 Quiz
Paper 3 - Advanced Theory

Advanced Data Representation

3 Topics | 1 Quiz
Communication and Internet Technologies

3 Topics | 2 Quizzes
Hardware & Virtual Machines

4 Topics | 1 Quiz
System Software

5 Topics | 1 Quiz
Paper 4 - Practical Programming

This section is part of the AS specification, but creates a foundation for the full A Level. There is a reasonable expectation for some of this content to return in paper 3 and so it is worthwhile returning to this when you begin the advanced course.

Topic | I should be able to… |
---|---|

1.1 | Show understanding of binary magnitudes and the difference between binary prefixes and decimal prefixes |

| Understand the difference between and use: • kibi and kilo • mebi and mega • gibi and giga • tebi and tera |

| Convert between (i) positive denary and positive binary (ii) positive denary and positive hexadecimal (iii) positive hexadecimal and positive binary |

| Use the binary, denary, hexadecimal number bases and Binary Coded Decimal (BCD) and one’s and two’s complement representation for binary numbers |

| Perform binary addition and subtraction |

Describe practical applications where Binary Coded Decimal (BCD) and Hexadecimal are used | |

Show understanding of and be able to represent character data in its internal binary form, depending on the character set used |

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