Vocabulary Terms

Multiple levels of abstraction are used to write programs or create other computational artifacts.

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Terms

Alpha channel
File header
GIF format
Heuristic
A problem solving approach (algorithm) to find a satisfactory solution where finding an optimal or exact solution is impractical or impossible
Hexadecimal
The base-16 number system
Image
Data stored as graphics or pictures
Image filter
JPEG format
Lossless Compression
A data compression algorithm that allows the original data to be perfectly reconstructed from the compressed data
Lossy Compression
Metadata
Pixel
PNG format
RGB
RGBA
WAVE format