Vocab Unit 1, 2, 3 and 4

A way of representing information using only two options.

• Binary

• Bit

• Byte

• Boo

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

• Binary

• Bit

• Byte

• Boo

8 bits

• Binary

• Bit

• Byte

• Boo

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

• overflow error

• Bit

• Byte

• Boo

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

• overflow error

• round-off error

• Byte

• Boo

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.

• overflow error

• round-off error

• analog data

• Boo

Data that changes discretely through a finite set of possible values

• overflow error

• round-off error

• analog data

• digital data

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

• sampling

• round-off error

• analog data

• digital data

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

• sampling

• lossless compression

• analog data

• digital data

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.

• sampling

• lossless compression

• lossy compression

• digital data