Code Unit 1 Digital Info 2022-23

A way of representing info using only two options.

• Binary

• Bit

• Bite

• Byte

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

• Binary

• Bit

• Bite

• Byte

8 bits

• Binary

• Bit

• Bite

• Byte

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

• Data

• Data Compression

• Digital Data

Data that changes discretely through a finite set of possible values

• Analog Data

• Data

• Data Compression

• Digital Data

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

• Lossless Error

• Lossy Error

• Overflow Error

• Round-off Error

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

• Lossless Error

• Lossy Error

• Overflow Error

• Round-off Error

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

• Data Compression

• Compression

• Lossless Compression

• Lossy Compression

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.

• Data Compression

• Compression

• Lossless Compression

• Lossy Compression

A process for reducing the number of bits needed to represent a piece of information

• Data Compression

• Compression

• Lossless Compression

• Lossy Compression