AP Computer Science Principles Unit 1 Vocab

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