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WorksheetsUnit 5 Review
Total questions: 20
Worksheet time: 10mins
Bug
Part of a program that does not work correctly.
An algorithm that has been coded into something that can be run by a machine.
The art of creating a program.
An action that causes something to happen.
The image is from Google Trends that plots Cats and Dogs.
Choose the most accurate description of what this data is actually showing based on what you know about how Google Trends works.
People like dogs more than cats
People search for "dogs" more frequently than "cats"
There was a sharp increase in the dog population sometime between 2014 and 2015
The popularity of dogs as pets is slightly increasing over time, while the popularity of cats is relatively flat
What is metadata?
Data that is about the data.
Data that is everywhere.
Data that can change.
Data that needs filtered.
Recognizing patterns and similarities in data visualizations relates to which of the following about the data?
Causation
Correlation
Metadata
Filtering
Which of the following is NOT a benefit of metadata?
It can be changed without impacting the primary data
Used for sorting and filtering information
Increases effective use of data by providing extra information
Increases search speeds of the database
What is the goal of the data analysis process?
To search through databases quicker
To gain insight into new information
To make sure datasets are clean
To collect the correct information
A town decides to publicize data it has collected about electricity usage around the city. The data is freely available for all to use and analyze in the hopes that it is possible to identify more efficient energy usage strategies.
Which of the following does this situation best demonstrate?
Citizen science
Crowdfunding
Open data
Machine Learning
A camera mounted on the dashboard of a car captures an image of the view from the driver’s seat every second. Each image is stored as data. Along with each image, the camera also captures and stores the car’s speed, the date and time, and the car’s GPS location as metadata. Which of the following can best be determined using only the data and none of the metadata?
The average number of hours per day that the car is in use
The car’s average speed on a particular day
The distance the car traveled on a particular day
The number of bicycles the car passed on a particular day
Which of the following applications is most likely to benefit from the use of crowdsourcing?
An application that allows users to convert measurement units (e.g., inches to centimeters, ounces to liters)
An application that allows users to purchase tickets for a local museum
An application that allows users to compress the pictures on their devices to optimize storage space
An application that allows users to view descriptions and photographs of local landmarks
A mobile application is used to display local traffic conditions. Which of the following features of the application best exemplifies the use of crowdsourcing?
Users can save an address to be used at a later time.
Users can turn on alerts to be notified about traffic accidents.
Users can submit updates on local traffic conditions in real time.
Users can use the application to avoid heavily congested areas.
Data that is publicly available and shared by governments, organizations, and others.
Crowd Sourcing
Citizen Science
Open Data
Big Data
A town decides to publicize data it has collected about electricity usage around the city. The data is freely available for all to use and analyze in the hopes that it is possible to identify more efficient energy usage strategies.
Which of the following does this situation best demonstrate?
Citizen science
Crowdfunding
Open data
Machine Learning
Given the data about car accidents, which outcome is supported by the data?
Drivers age 16-25 have the fewest accidents.
More accidents occur on the weekdays.
Drivers age 26-50 have fewer accidents than the other two age groups.
Adult drivers have more accidents on weekdays during rush hour than other times of the day.
Why is cleaning data important?
It ensures incomplete data does not hide or skew results.
It removes bad data.
It repairs incomplete/incorrect data.
All of the above.
You can reverse a transformation process and re-create the original message. What kind of data compression is that?
lossless
lossy
A set of commands, instructions, and other syntax use to create a software program.
User Interface
Encryption
Coding
Programming Language
Program statements run in order, from top to bottom.
Sequential Programming
Event Driven Programming
What will the console log say when this program is run?
"Starting my program!"
"You clicked the button!"
"Ending my program!"
"Starting my program!"
"Ending my program!"
"You clicked the button!"
"You clicked the button!"
"Starting my program!"
"Ending my program!"
"You clicked the button!"
"Ending my program!"
"Starting my program!"
After the program is run, what will the text color of smallButton be?
red
blue
green
yellow
When this program is run, the user clicks "topButton" then "bottomButton" and then "topButton" again. What will be displayed in the console?
aaa
bbb
ccc
aaa
aaa
ccc
bbb
aaa
ccc
aaa
bbb
aaa
aaa
bbb
aaa
ccc
