Computer Science Unit 1 Review

What are the four things computers do?

Which of the following is NOT an input device?

• Keyboard

• Touchscreen

• Monitor

• Computer mouse

A calculator app displaying the solution is an example of a(n)...

• Input

• Output

• Processing

• Storage

Which of the following is an example of user input?

• Your directions app knowing your location

• Snapchat suggesting friends based off your contacts

• Typing in your birthday on Insta

• YouTube suggesting videos based on history

A computer searching a list for a match is an example of...

• Input

• Output

• Processing

• Storage

An app that finds a celebrity with the same birthday as you is an example of what type of processing...

• If/Then

• Comparing

• Finding a Match

• Counting

Instagram only lets you make an account IF your age is over 13. This is an example of what type of processing...

• If/Then

• Comparing

• Finding a Match

• Counting

TikTok keeping track of the number of likes on a video. This is an example of what type of processing...

• If/Then

• Comparing

• Finding a Match

• Counting

An app decides a winner by deciding which player has a higher score. This is an example of what type of processing...

• If/Then

• Comparing

• Finding a Match

• Counting

Define: If/then

• If something is true, then do something else

• Keep track of how many of something there are.

• The thinking work computers do to turn input into output

• Search a list or group of things for a match.