lesson
Representing Images as Bitmaps of Pixels
Explain how images are represented as a grid of pixels, each with a binary colour value.
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Representing Text, Sound and Images in a Computer
9 lessons
Goal
Understand how text, sound and images are represented digitally and calculate file sizes.
9 lessons
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- Representing Text with ASCIIUp next
- Unicode: Representing Characters Beyond ASCIINot started yet
- Calculating the Size of a Text FileNot started yet
- Representing Sound as Digital DataNot started yet
- Sample Rate, Bit Depth and Sound QualityNot started yet
- Calculating the Size of a Sound FileNot started yet
- Representing Images as Bitmaps of PixelsYou are here
- Resolution, Colour Depth and Image File SizeNot started yet
- Data Compression: Lossy and Lossless MethodsNot started yet
