EXP CS Quiz1

Which of the following might have a computer inside?

• Cellphone

• Hand-held video game

• Flat screen TV

• MP3 music player

What is a bitmap?

• A program that loads the OS

• Houses main memory

• Maps the computer's memory

• Defines the display space for each pixel

What does 5 + 2*2 - 7 evaluate to?

• 7

• 2

• -5

• None of the above

What it true about PEMDAS?

• A way to remember order of precedence.

• Expressions in parenthesis are evaluated first

• Remembered with "Please excuse my dear aunt Sally"

• Always evaluated from left to right

Evaluation blocks -

• Provides a visual way to indicate the order of operations in an expression

• Must have one function at the top of the block

• Represents the structure of an expression

• All the above

What is the expression for this Evaluation Block?

• (16 + 2) * (12 / 4)

• (12 / 4) * (16 + 2)

• 18 * 3

• (* (16 + 2) (/ 12 4))

A Circle of Evaluation is another name for an Expression?

• True

• False

A mathematical expression is -

• Always composed of two numbers

• An instruction for doing something

• Like a sentence

• Evaluated from inside out

What is the value of this Evaluation Block?

• 7 * 2 + 24 / 4

• 20

• (7 * 2) + (24 / 4)

• 16

What was the first video game ever produced?

• Pong

• Tic-Tac-Toe

• Spacewar

• Mario