APCSP unit 1 vocabulary

A way of representing information using only two options.

• binary

• bit

• hexadecimal

• byte

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

• bit

• byte

• binary

• hexadecimal

8 bits =

• byte

• hexadecimal

• binary

• nibble

Error from attempting to represent a number that is too large

• Overflow Error

• Round-off Error

• Value Error

• Number Error

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

• Round-off Error

• Overflow Error

• Math Error

• Value Error

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.

• Analog Data

• Digital Data

• Real-Time Data

• Actual Value Data

Data that changes discretely through a finite set of possible values

• Analog Data

• Digital Data

• Real-Time Data

• Actual Value Data

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

• sampling

• bit sizing

• breakdown

• intervaling

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

• lossless compression

• lossy compression

• lossless reduction

• lossy reduction

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.

• lossless compression

• lossy compression

• lossless reduction

• lossy reduction