Unit 1 - Digital Information

Question 1

Binary

Answer 1

Representing information using only two options

Question 2

Bit

Answer 2

A single unit of information in a computer (zero or one)

Question 3

Overflow Error

Answer 3

Error from trying to represent a number that is too big

Question 4

Round-off Error

Answer 4

Error from attempting to represent a number that is too precise

Question 5

Analog Data

Answer 5

Data with values that change continuously over time (ie. position of a sprinter in a race, music, color in a painting)

Question 6

Digital Data

Answer 6

Data that changes discretely through a finite set of possible values

Question 7

Sampling

Answer 7

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

Question 8

Lossless compression

Answer 8

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

Question 9

Lossy Compression

Answer 9

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

Question 10

Intellectual Property

Answer 10

A work or invention that is a result of creativity to which one has rights and for which one may apply for a patent, copyright, trademark, etc.

Question 11

Creative Commons

Answer 11

A collection of public copyright licenses that enable the free distribution of an otherwise copyrighted work, used when an author wants to give people the right to share, use, and build upon a work that they have created