AP CSP: Semester 1 Exam

Which best describes the following? Ellie wanted to darken a photo, so she used PhotoShop to subtract 20 from all of the RGB values in the image, with a control to not let values get below zero.

• Lossy compression
• Lossless compression
• Uncompressed

If a color has an RGB value of (75, 83, 32), what is it's hexcode? 

• #758332
• #4b8332
• #4a5020
• #4b5320

How many values can be represented by 3 binary digits? 

• 3
• 6
• 8
• 16

What can be represented by binary digits (0s and 1s)

• Code
• Images and Videos
• Text Files
• Any digital information

Which type of data compression can be "undone" (no data is lost)

• lossless
• lossy
• uncompressed

We have two versions of IP addresses: v4 and v6. What was wrong with v4 that is fixed in v6? 

• Packets didn't have guaranteed delivery 
• There weren't enough IP addresses for all of the devices 
• IPv4 wasn't reliable
• IPv4 wasn't fast enough

Which of the following is NOT an internet protocol? 

• IP: Internet Protocol
• TCP: Tranmission Control Protocol
• PS: Programming Standards
• SMPT: Simp

• I only
• II only
• I and II
• Neither I or II

Which of the following statements are true about routers and routing on the Internet? 

• Protocols ensure that a single path between two computers is established before sending packets over it.
• One "root" router is responsible for communication to all "sub-routers"
• Routers act independently and route packets as they see fit.
• Delivery of packets is guaranteed

Which of the following would be considered a subdomain of www.fallsschools.org? 

• www.fallsschools.org/north
• www.athletics.fallschools.org
• www.fallsschools.edu
• www.fallsschools.org/hs/bellschedule.html