Studied by 18 people
AP Computer Science Principles Unit 1 Vocab
Analog Data
Data with values that change continually or smoothly over time.
Binary
A way of representing information using only 2 options.
Bit
A single unit of information in a computer typically represented as a 0 or 1.
Byte
8 bits.
Creative Commons
A collection of public copyright licences that allow free distribution of otherwise copyrighted work.
Decimal
A way of representing information using 10 options.
Digital Data
Data that changes discretely through a finite set of possible values.
Intellectual Property
A work that’s the result of creativity to which one has rights and can get patterned, copyrighted and trademarked.
Lossless Compression
A process for reducing the number of bits needed to represent something WITHOUT losing information. it IS REVERSIBLE.
Lossy Compression
A process for reducing the number of bits needed to represent something WITH losing information. NOT REVERSIBLE.
Round-Off Error
Error from attempting to represent a number that’s too precise.
Overflow Error
Error from attempting to represent a number that’s too large.
Sampling
A process for creating a digital representation of analog data by measuring the analog data at regular intervals called samples.
Lossy Compression uses ____ data but is ____ quality.
less, lower
Lossless Compression uses ____ data but is ____ quality.
more, higher
