AP Computer Science Review

Unit 1 - How many bits are in a byte?

• 4

• 8

• 12

• 16

• .8

What is the difference between lossy and lossless compression?

• Lossy reduces the number of bits needed to represent something but loses some info. and lossless does the exact same.

• Lossy compression is lossless and lossless is lossy.

• Lossless reduces the number of bits needed to represent something without losing info. while lossy does the same but info. is lost.

• Lossless reduces the number of bits needed to represent something but loses info while lossy does the same but keeps all the info.

What does a Creative Commons License enable?

• For your work to be creative commoned.

• For your work to be solely distributed and worked on by the creator.

• For your work to be equally distributed, used when you want your work to be remixed or worked upon by others.

UNIT 2 - Which one of these is not an example of a computing device?

• Computer

• Phone

• Tablet

• Table

• Laptop

An agreed-upon set of rules that specify the behavior of some system is a

Which best describes the relationship between HTTP and the World Wide Web?

• They both rely on other layers of protocols for sending information on the internet.

• Computers will send information using HTTP or the World Wide Web but not both.

• HTTP is a protocol for the WWW to send messages.

• The WWW is a an array of protocols that HTTP follow when sending messages.

Unit 3 - A user clicks a button, that is an example of an:

A collaborative programming style in which two programmers switch between the roles of writing code and tracking or planning high-level progress

• Sequential programming

• Pear Programmings

• Development Process

• Pair Programming

• Debugging

Sequential Programming is?

• Program statements run in the order from top to bottom.

•  Some program statements run when triggered by an event, like a mouse click or a key press.

• Commands that are driven by sequences.

• A collection of program statements. Programs run (or “execute”) one command at a time.