Data and vocab from code.org

A digital photo file contains data representing the level of red, green, and blue for each pixel in the photo. The file also contains metadata that describe the date and geographic location where the photo was taken. For which of the following goals would analyzing the metadata be more appropriate than analyzing the data?

• Determining the likelihood that the photo is a picture of the sky
• Determining the likelihood that the photo was taken at a particular public event
• Determining the number of people that appear in the photo
• Determining the usability of the photo for projection onto a particular color background

A sorted list of numbers contains 500 elements. Which of the following is closest to the maximum number of list elements that will be examined when performing a binary search for a value in the list?

• 10
• 50
• 250
• 500

In order to remove bias from software, which of the following steps must be taken? I. The data that is collected and provided to the AI algorithms should be gathered from diverse sources II. There should be efforts taken to technically remove bias from the algorithms III. The algorithms should be removed from use in society

• I, II, III
• I and II
• I and III
• II and III

Citizen Science is a form of crowdsourcing. Which of the following answer choices justify this statement?

• Citizen science is scientific research conducted by distributed individuals who contribute relevant data to reserach using their own computing devices. This is a form of crowdsourcing.
• Citizen science is distributed in how it is conducted. This is a form of crowdsourcing.
• Citizen science is all about research. Crowdsourcing is very helpful in conducting research.
• Citizen science helps collect data. Crowdsourcing is very useful in facilitating collection of large volumes of data.

One of the most important technologies needed for crowdsourcing is:

• knowing how to write computer programs
• access to the internet
• the ability to attend online classes
• having a webcam, microphone and speaker

Information about a person such as name, age, email identification is called

• personalized data
• metadata
• cookie data
• Personally Identifiable Information

The metadata from an image you took was released. Which of the following information could not be determined from the metadata?

• The names of the people in the picture
• Where you took the picture
• When you took the picture
• Size of the image

Which of the following provides an example of crowdsourcing?

• In 2020, similar to the past 12 years, Google released the Google Doodle challenge, which asked students to design doodle that expressed kindness. This challenge allowed Google to deepen their engagement with users.
• Code.org presents Hour of Code each year for students to engage in different types of coding to promote the idea that anyone can code.
• FoxSports.com streams the Super Bowl to allow anyone with Internet access to watch the game free. This increased the availability of the Super Bowl to many people.
• In July 2020, Loon, a part of Google's parent company Alphabet, launched high-altitude balloons in Kenya to deliver the Internet to rural and remote areas. These balloons would allow more people access to the internet.

In Florida, sharks are tagged to provide information on the health of different species and also migration patterns. Tags that researchers place on sharks collect the following information. -- Location of shark -- Speed of shark -- internal temperature of shark -- depth of shark movements Additionally, when the shark is tagged, data is collected on the species and gender of it. What cannot be determined by the data alone?

• Whether sharks travel in groups
• Average body temperature of great white sharks
• How fast sharks can swim while in 30' of water
• How location of shark causes a change in body temperature and speed

Johnny snaps his friend via SnapChat and tells him about a party in which there was illegal activity that he went to. He then realizes that this wasn't smart and deletes it. The following week, his school principal calls him into his office to discuss the party. What best describes how this occured?

• Johnny's friend had to tell the principal because since Johnny deleted the message, it is not possible for the data to be available.
• The principal is able to see snap messages that Johnny sent as it is public information
• The principal is talking to all students in the high school about the party and doesn't know if Johnny was there or not
• It is possible Johnny's snap was re-shared or used for an unintended purpose even if he deleted it because once information is placed online it is very difficult to completely delete