Vocab Unit 1, 2, 3, 4 and 5

Front

A way of representing information using only two options.

Back

Binary

Front

A contraction of "Binary Digit"; the single unit of information in a computer, typically represented as a 0 or 1

Back

Bit

Front

8 bits

Back

Byte

Front

Error from attempting to represent a number that is too large.

Back

overflow error

Front

Error from attempting to represent a number that is too precise. The value is rounded.

Back

round-off error

Front

Data with values that change continuously, or smoothly, over time. Some examples of analog data include music, colors of a painting, or position of a sprinter during a race.

Back

analog data

Front

Data that changes discretely through a finite set of possible values

Back

digital data

Front

A process for creating a digital representation of analog data by measuring the analog data at regular intervals called samples.

Back

sampling

Front

A process for reducing the number of bits needed to represent something without losing any information. This process is reversible.

Back

lossless compression

Front

A process for reducing the number of bits needed to represent something in which some information is lost or thrown away. This process is not reversible.

Back

lossy compression