Grade Repair Quiz 1

A phone cuts up a photograph into small packets of information

• true

• false

Which of the following are true about the packets that a camera divides a photo into?

• Each packet has information about who the photo is from.

• Each packet has information about who the photo is going to.

• Phones do not break up photos into packets.

• Each packet gets represented with a series of ones and zeros.

Which of the following are ways in which the ones and zeros travel?

• radio waves

• optical cables

• postal service

How are signals carried between continents?

• By airplane.

• By ship.

• Cables cross the ocean to carry signals.

What is one way that ISPs are trying to get internet service to parts of the world that are underserved?

• By using horses.

• By using trucks.

• By using high altitude balloons.