Unit 1: Digital Information

Question 1

way of representing information using only two options.

Answer 1

binary

Question 2

contraction of “Binary Digit”; single unit of information in a computer, typically represented as a 0 or 1

Answer 2

bit

Question 3

8 bits

Answer 3

byte

Question 4

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

Answer 4

overflow error

Question 5

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

Answer 5

round-off error

Question 6

Data with values that change continuously/smoothly, over time. e.g. music, colors of a painting, or position of a sprinter during a race.

Answer 6

analog data

Question 7

Data that changes discretely through a finite set of possible values

Answer 7

digital data

Question 8

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

Answer 8

sampling

Question 9

process for reducing number of bits needed to represent something without losing any information, reversible.

Answer 9

lossless compression

Question 10

process for reducing number of bits needed to represent something in which some information is lost or thrown away, not reversible.

Answer 10

lossy compression

Question 11

creation 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.

Answer 11

intellectual property

Question 12

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

Answer 12

creative commons