PLTW CS Essentials - Unit 1-2 review

A bit is..

• a very small amount of something. 
• A single item of computer information that is represented by either a 0 or a 1. 
• how we put information into the computer. 
• a word in computer language. 

Binary is....... 

• a very small piece of something. 
• one piece of computer information.
• a method of calculating and representing numbers using 1s and 0s.
• a programming language. 

A byte is ..

• a very small amount of something.
• part of a computer picture.
• the code we program computers in. 
• a unit of computer information that is equal to 8 bits. 

In nested conditional logic statements

• The inside selection structure gets executed first

• The outside selection structure gets executed first

• AND and OR are to be avoided

• Integers must be used instead of Booleans

This is an example of what kind of data?

• String Data
• Number Data
• Boolean Data
• Words Data

This is an example of what kind of data?

• String Data
• Number Data
• Boolean Data
• Words Data

What value is returned from index 3?

• 3
• 45
• 123
• 255

A variable that can be used anywhere in a program.

• String Data
• Global Variable
• Local Variable
• Component

Parts of an interface in a program.  
Examples include buttons and sprites.

• Mutator
• Global Variable
• Local Variable
• Component

By clicking the blue icon, the programmer can drag additional smaller blocks into the larger block, thus changing the shape and functionality of the original block. 

• Mutator
• Global Variable
• Iteration
• Component