Computer Science Principals Test code.org Unit 1 Vocab

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

8 bits

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

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

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.

Data that changes discretely through a finite set of possible values

A process for creating a digital representation of analog data by measuring the analog data at

regular intervals called samples.

A process for reducing the number of bits needed to represent something without

losing any information. This process is reversible.

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.

A work or invention that is the result of creativity, such as a piece of writing or a design,

to which one has rights and for which one may apply for a patent, copyright, trademark, etc.