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IGCSE Computer Science (CS Theory (1.1 - Data Representation (1.1.2…

- - - - Base-2
      - 0 or 1
      - Single binary digit = 1 bit
      - 4 bits = 1 nibble
      - 8 bits = 1 byte
    - - HTML Colours
      - MAC Address
      - Low-level programming
      - Debugging
      - Memory Dumps
      - 0 to F
      - Base-16
    - - Images
        
        Pixel
        
        Image Resolution
        
        The total number of pixels in an image
        
        Width in pixels * Height in pixels
        
        Colour Depth / Bit Depth
        
        File Size (bits) = Width (pixels) Height (Pixels) Bit Depth (bits)
      - Sound
        
        Sample
        
        Sample Frequency
        
        Sample Resolution / Bit Depth

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IGCSE Computer Science

1.1.2 Hexadecimal

Practical CS

CS Theory

1.1 - Data Representation

1.2 - Data Tranmission

1.3 - Hardware and Software

1.4 - Security

1.5 - Ethics

2.1 - Algorithm Design

2.2 - Programming and Pseudocode

2.3 - Databases

1.1.1 Binary

1.1.2 Hexadecimal

1.1.3 Data Representation

HTML Colours

MAC Address

Low-level programming

Debugging

Memory Dumps

0 to F

Base-16

Base-2

0 or 1

Single binary digit = 1 bit

4 bits = 1 nibble

8 bits = 1 byte

Images

Sound

Pixel

Image Resolution

Colour Depth / Bit Depth

Sample

Sample Frequency

Sample Resolution / Bit Depth

File Size (bits) = Width (pixels) Height (Pixels) Bit Depth (bits)

The total number of pixels in an image

Width in pixels * Height in pixels