Vocabulary Terms

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

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Terms

Alpha channel
Used to measure transparency
AND gate
Connects two circuits using a boolean AND operation
Binary
A way of representing information using only two options.
Bit
A contraction of "Binary Digit"; the single unit of information in a computer, typically represented as a 0 or 1
Computer
A device for digitally processing data and instructions
Computer input
Any mechanism for entering data into a computer system or computing process
Computer memory
The various ways that digital computers store and process data in the short-term or long-term
Computer output
Computer processing
Computer storage
CPU
CPU cache
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
Human-input device
Image
Data stored as graphics or pictures
Image filter
Integrated circuit
JPEG format
Logic circuit
Logic gate
Lossless Compression
A data compression algorithm that allows the original data to be perfectly reconstructed from the compressed data
Lossy Compression
Metadata
NAND gate
NOR gate
NOT gate
OR gate
Pixel
PNG format
Primary storage
RGB
RGBA
Secondary memory
Secondary storage
Transistor
WAVE format
XOR gate