Computing - A2 Level

Data Representation, Data Structures and Data Manipulation

4.1 Data Representation

4.11 Conversion

4.12 Sign & Magnitude, Two’s Complement & Binary Arithmetic

Sign & Magnitude, Two’s Complement & Binary Arithmetic Presentation
Binary-Decimal Converter 2
Sign & Magnitude, Two’s Complement & Binary Arithmetic Quiz
- Sign & Magnitude, Two’s Complement & Binary Arithmetic Questions
  - Sign & Magnitude, Two's Complement & Binary Arithmetic Mark Scheme

4.13 Floating Point

4.2 Reverse Polish Notation (RPN)

4.3 Algorithms

4.31 Binary Trees

1.41 Arrays (from AS Syllabus)

Arrays Presentation

Arrays (Programming) Quiz

Arrays (Dry Runs / White Box Testing) Quiz

1.42 Linked Lists (from AS Syllabus)

Linked Lists Presentation

Linked Lists Quiz

1.43 Stacks & Queues (from AS Syllabus)

Stacks and Queues Presentation

Stacks and Queues Quiz

4.32 Stacks and Queues stored in Linked Lists or Arrays

4.33 Data Structures

4.34 Searching

Searching Presentation
Searching Quiz
- Searching Questions
  - Searching Questions Mark Scheme
    File Access methods (from AS Syllabus)
    
    Serial and Sequential Files
    
    Serial and Sequential Access Files
    
    Serial and Sequential Access Quiz
    
    Random Access Files
    
    Random Access Files
    
    Random Access Files Quiz
    
    Indexed Sequential Files
    
    Indexed Sequential Files Presentation
    
    Indexed Sequential Files Quiz

4.35 Sorting and Merging