Unit 3: Digital Information Review

Front

Binary:

Back

A way of representing information using only two options

Front

Bit

Back

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

Front

Abstraction

Back

A simplified representation of something more complex. Abstractions allow you to hide details to help you manage complexity, focus on relevant concepts, and reason about problems at a higher level.

Front

ASCII

Back

American Standard Code for Information Interchange; the universally recognized raw text format that any computer can understand

Front

Which of the following is a reason to use lossy compression? Options: You want the compressed file to be larger than the original. You want the highest quality audio file possible, with no modifications. You want the highest quality image file possible, with no modifications. You want to save space and are not concerned if the file is the highest quality possible.

Back

You want to save space and are not concerned if the file is the highest quality possible.

Front

Innovation

Back

A new or improved idea, device, product, etc, or the development thereof

Front

Which of the following is irreversible? lossy compression, lossless compression, abstraction, RLI

Back

lossy compression

Front

How many bits are needed to represent 8 colors?

Back

3 bits

Front

Consider the following three binary numbers: 01010, 010000, 1110. Which of the following lists the numbers in order from least to greatest?

Back

01010, 1110, 010000

Front

the fundamental unit of a digital image, typically a tiny square or dot that contains a single point of color of a larger image

Back

Pixel