Final Exam: AP Computer Science Principles (JavaScript)

What happens when a new device is connected to the Internet?

• Device driver is assigned

• IP address is assigned

• Packet number is assigned

• Website is assigned

Which of the following is a subdomain of example.com?

• about.example.com

• example.com/about.html

• example.com.about

• example.org

What is a benefit of the fault-tolerant nature of Internet routing?

• DNS error resolution

• Allows data transmission even if some connections fail

• Uses multiple protocols

• Avoids naming conflicts

How is a file sent back to a user when requested from a web server?

• Sent in full at once

• Sent in broken packets that are reassembled

• Sent by browser re-requesting each packet

• Sent only if the server directly connects

Which of the following actions is LEAST effective at reducing the digital divide?

• Offering free internet access

• Teaching computer skills

• Putting tips on a website

• Providing assistive devices

Which number system is used to store information digitally in a computer?

• Decimal

• Binary

• Octal

• Hexadecimal

What is the decimal value of 1101₂?

• 12

• 13

• 14

• 15

How many values can be represented using 4 bits?

• 4

• 8

• 16

• 32

What is the highest score that can be represented using an 8-bit unsigned integer?

• 128

• 255

• 256

• 11111111

What happens if an image uses a lossy compression technique?

• It improves quality

• Original quality can’t be restored

• No data is lost

• It cannot be read by recipients