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WorksheetsAP CSP 200PT Quizizz 12-18
Total questions: 129
Worksheet time: 3hrs 34mins
What is metadata?
Data cleaning process
Data about data
Data filtering technique
Data correlation method
What is citizen science?
Scientific research conducted by professional scientists
Scientific research conducted in laboratories only
Scientific research conducted by government agencies
Scientific research conducted by distributed individuals
What is data cleaning?
Adding more data to the existing dataset
Removing irrelevant data from the dataset
Analyzing the data for patterns
Making the data uniform without changing its meaning
What is correlation?
A method of crowdsourcing
A process of cleaning data
A relationship between two pieces of data
A type of data bias
What is crowdsourcing?
Obtaining input from government agencies
Obtaining input from machines only
Obtaining input from a large number of people via the Internet
Obtaining input from a small group of people
What is information?
The process of cleaning data
The raw data before any analysis
The process of obtaining input from a large number of people
The collection of facts and patterns extracted from data
What is data bias?
Data that is uniform without any changes
Data that does not accurately reflect the full population
Data that is obtained from a small group of people
Data that accurately reflects the full population
What is data filtering?
Obtaining input from a large number of people via the Internet
Making the data uniform without changing its meaning
Choosing a smaller subset of a data set to use for analysis
Adding more data to the existing dataset
What is a data set?
A single piece of data
A collection of related pieces of data
A method of cleaning data
A method of obtaining input from a large number of people
What does a scatterplot represent?
A relationship between two pieces of data
A method of cleaning data
A type of data bias
Data about data
What is a unique feature of Parallels Data System?
It allows data visualization
It allows data encryption
It allows data redundancy
It allows simultaneous access to data from multiple systems
What is a Histogram?
A type of pie chart
A graphical representation of data using bars of different heights
A method of cleaning data
A type of data bias
How can algorithmic bias be mitigated?
By increasing the size of the data set
By ensuring diversity and representativeness in the data
By using more complex algorithms
By visualizing the data
What is data redundancy?
Adding more data to the existing dataset
Repeated occurrence of data in a database
Analyzing the data for patterns
Making the data uniform without changing its meaning
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
Which of the following is NOT a reason for data to be cleaned?
Data is incomplete
Data is invalid
Multiple tables are combined into one
Data is a string
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 team of researchers wants to create a program to analyze the amount of pollution reported in roughly 3,000 counties across the United States. The program is intended to combine county data sets and then process the data. Which of the following is most likely to be a challenge in creating the program?
A computer program cannot combine data from different files.
Different counties may organize data in different ways.
The number of counties is too large for the program to process.
The total number of rows of data is too large for the program to process.
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.
Research where some of the data collection is done by members of the public using own computing devices which leads to solving scientific problems
Open Data
Crowd Sourcing
Citizen Science
Big Data
Data that is publicly available and shared by governments, organizations, and others.
Crowd Sourcing
Citizen Science
Open Data
Big Data
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.
What is a reason to perform additional research on correlations found through data analysis.
There may not be an actual cause and effect relationship between the correlation variables.
A single source might not provide enough data for a conclusion.
To understand the relationship between the variables.
All of the above.
Which of the following is an example of metadata that serves to be descriptive of the content of a file?
User-selected tags (i.e "vacation" and "personal work")
File size
Date created
Program used to read the file
An Alaskan biologist is tracking a pod (group) of whales using tracking collars. For the whales, the following geolocation data are collected at frequent intervals:
* Time
*Date
*Geographical location of the sea mammals
Which of the following questions about a whale could NOT be answered using only the data collected from the tracking collars?
About how many miles did the animal travel in one week?
Does the animal travel in groups with other tracked animals?
Do the movement patterns of the animal vary according to the weather?
In what geographic location does the animal typically travel?
Large data sets are useful in finding patterns in the data that can predict future usage. Which of the following is used to predict future usage?
Calculating the monthly bill charged
Using past purchases to recommend products for possible purchase
Identifying the largest-spending addresses
Identifying the time at which most purchases are made.
Suppose that a company is creating an algorithm that matches people to advertisements in which they might have an interest. The company is basing its algorithm on a data source accumulated from data bought from social media. Which of the following sources would be useful for the algorithm?
Information about a person's video-watching preferences (whether they watch viral videos, reviews, animations, etc).
A social network's information on what sites a person likes and follows
Information on a person's previous purchases.
All of these
When listening to an online music service, you request songs "like" a specific song. How does the music site determine what to play?
It plays songs you have played previously.
It plays the most requested songs from all listeners.
It uses data-mining techniques to determine patterns in the music that are similar.
It plays random songs from that same musical artist.
What describes the process of searching data sets for incomplete data records to process?
Classifying
Cleaning
Clustering
Filtering
A teacher wants to determine student opinions of computer science before and after taking a course. She gives students a survey on the first and last days of class. The survey includes questions about students' impressions about computer science, if the teacher communicated effectively, if the teacher was positive about the course material, and if the students gave their best effort in the course. What questions can be determined from the survey data?
I. If students who moved from a negative to positive impression of computer science after taking the course also thought the teacher communicated effectively.
II. Which students plan to major in computer science after taking the course.
III. If the students who did not change their existing view of computer science after taking the course gave their best effort in the course.
I only
I and III
II and III
I, II, and III
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 do business and scientists attempt to analyze big data?
To gain insights smaller subsets of data may not provide.
To confirm findings from smaller data sets.
To identify potential problems in data collection techniques.
To obtain economies of scale with hardware needed to store the data based on Moore's law.
What is a benefit of the government posting databases for public use?
It is a way to identify the need for new policies and regulations.
Consumers can learn more about how their individual data is being collected, stored, and used.
Companies can opt out to prevent competitors from learning about their business.
All businesses can access the data at no cost, aiding those businesses that would otherwise not have the resources to obtain the data on their own.
What is a reason to perform additional research on correlations found through data analysis.
There may not be an actual cause and effect relationship between the correlation variables.
A single source might not provide enough data for a conclusion.
To understand the relationship between the variables.
All of the above.
An online e-commerce site maintains a database containing the following information:
Price
Colors
Quantity available
Customer comments from the purchasing public
Using only the database, which of the following CANNOT be determined?
How some of the buying public feel about their purchases.
The popularity of color depending on the season.
What colors are the most popular.
If there is a relationship between price and the quantity of an item remaining in stock.
A model in which many online users combine efforts to help fund projects, generate ideas, or create goods or services (like Wikipedia).
crowdsourcing
citizen science
Creative Commons
open access
Location data, time and the date, is captured from a tracker on ships, which one could NOT be answered with this Data?
How many miles were traveled in a week?
Does the ship sail to the same places other ships do?
What ports does the ship go to normally?
Does the ship change course to avoid the weather?
By giving a computer lots of images of cancer cells and non cancer cells, so it can create an algorithm to detect cancer. This is an example of.
Crowdsourcing
Machine Learning
Data Cleaning
Metadata
Which type of data might be able to be visualized or analyzed but first would need to be cleaned?
date
inconsistent measurement units
time
student ID
Which type is data will likely be most difficult to visualize or analyze?
height
life span
weight
positive memories associated with dog breed
In the following dog dataset, which of the following would likely NOT be found with the the collected data?
name
height
life span
personality traits
Which of the following is NOT collected as metadata?
size of image file
time image taken
date image taken
photographer's favorite image
The chart below shows the frequency of searches for the words "car" and "truck" over a 5 year period. Which of the following is the best interpretation of the chart below?
The number of cars sold has increased slowly over time
cars are a better driving tool than trucks
At any point in time there are typically more people searching for the word "car" than "truck"
More people use cars than trucks
Which of the following conclusions is BEST supported by the histogram chart?
The most common weight of dogs is between 20 and 100 lbs
More than half of all dogs' max weights are larger than 100 lbs
More than half of all dogs' max weights are smaller than 90 lbs
Which of the following is likely to lead to machine learning bias?
data samples were very large
data was sorted by who the researcher thought was attractive
inconsistent data was removed before sorting
A data type that is either true or false.
Conditional Statement
Boolean Value
Comparison Operators
Logical operator
Affects the sequential flow of control by executing different statements based on the
value of a Boolean expression.
Conditional Statement
Boolean Value
Comparison Operators
Logical operator
What are these examples of?
Conditional Statement
Boolean Value
Comparison Operators
Logical Operators
What is this an example of?
Conditional Statement
Boolean Value
Comparison Operators
Logical operator
What are these examples of?
Conditional Statement
Boolean Value
Comparison Operators
Logical operator
Which logical operator checks if two conditions are true?
AND
OR
NOT
EQUAL
Which logical operator checks if either of two or more values is true?
AND
OR
NOT
EQUAL
Which logical operator checks if a value is not true?
AND
OR
NOT
EQUAL
What operator is this?
It tests whether two values are equal. Returns true if the value on the left-hand side of the expression equals the value on the right-hand side.
AND
NOT
OR
Equality
What is the name of the mathematician who helped establish Boolean values and expressions?
Gregory Boole
George Boolean
George Boole
Gregory Boolean
A group of interconnected computing devices capable of sending or receiving data.
Computing Device
Computing Network
Computer
Linked Computers
Which of the following best describes the protocols used on the Internet?
The protocols of the Internet are secret to maintain the privacy and security
The protocols of the Internet are used by all devices connected to the network
Which of the following best describes the purpose of an IP address?
IP addresses help reorder a message that has been divided into many packets
IP addresses provide a unique number for identifying devices on the Internet
A protocol for sending packets that does error-checking to ensure all packets are received and properly ordered.
Transmission Control Protocol (TCP)
User Datagram Protocol (UDP)
A squirrel chews through one of the wires in a network and the network immediately begins using a different path. This is an example of?
Scalability
Fault-Tolerance
The maximum amount of data that can be sent in a fixed amount of time, usually measured in bits per second.
Path
Router
Redundancy
Bandwidth
The unique number assigned to each device on the Internet.
IP Address
Internet Protocol
Redundancy
Routing
What does HTTP stand for?
Hyed Text Transfer Position
HyperText Transfer Protocol
Hyper Text Transition Protocol
A system of linked pages, programs, and files
Redundancy
Internet
World Wide Web
Network
Differing access to computing devices and the Internet
Routing
Digital Divide
Fault Tolerant
Bandwidth
A protocol for sending packets quickly with minimal error-checking and no resending of dropped packets.
Transmission Control Protocol (TCP)
User Datagram Protocol (UDP)
Messages are divided and are sent to their destination. Sometimes they travel together, sometimes apart; Sometimes they arrive in order and sometimes they do not. How they get there is considered what?
Routing
Path
Packet
DataStream
The inclusion of extra components so that a system can continue to work even if individual components fail.
Redundancy
Protocol
Internet Protocol
Packet
A computer network consisting of interconnected networks that use standardized, open (nonproprietary) communication protocols.
Internet
Protocol
Internet Protocol (IP)
Network
What does DNS stand for?
Divided Naming System
Domain Name Sorting
Domain Name System
Distributed Naming System
A sequence of direct connections
computing device
computing system
computing network
path
Which of the following best describes the protocols used on the Internet?
The protocols of the Internet are designed by government agencies to ensure they remain free to use
The protocols of the Internet are secret to maintain the privacy and security of people using them
Each device connected to the Internet will use a protocol designed by the company that manufactured it
The protocols of the Internet are open and used by all devices connected to the network
Jesse purchases a new smartphone and is immediately able to use it to send a photo over the Internet to a friend who lives in a different country. Which of the following is NOT necessary to make this possible?
Both devices are using the same shared and open protocols
A single direct connection is established between any two devices connected to the Internet
The data of the image is routed through a sequence of directly connected devices before arriving at its destination.
Both devices are directly connected to at least one part of the Internet
This diagram shows a number of computing devices connected to the Internet with each line representing a direct connection. What is the MINIMUM number of paths that would need to be broken to prevent Computing Device A from connecting with Computing Device E?
1
2
3
4
This diagram shows a number of computing devices connected to the Internet with each line representing a direct connection. Device A is attempting to send data over the Internet to Device E. Which of the following is true of how the data will travel through the network?
The data will always travel through Device B as it is the shortest path
The data will never be sent to Device G since there are other shorter paths available
It is possible that the data travels through any of the devices in the network before arriving at device E
If the data travels through Device D then it will not travel through Device B
Which of the following is true of how the Internet has responded to the increasing number of devices now using the network?
The Internet protocols are changed every year to adapt to the new devices that have been connected to the network
While the number of devices connected to the Internet has grown, the network itself has not grown
The protocols of the Internet were designed to scale as new devices are added
The protocols of the Internet are no longer necessary thanks to the large number of devices now connected to the network
Which of the following is true of how packets are sent through the Internet?
Packet metadata is only included on important packets to indicate they should get access to faster paths through the network
Packet metadata is used to route and reassemble information travelling through the Internet
Information sent through the internet is only encapsulated in packets if the message is too large to be sent as a datastream
Information sent through the internet is split into two packets, one which contains the message and another which contains the metadata
Emilee is watching an online video. The video is being sent to her laptop by a server over the Internet which splits the video into packets and sends them in the order they appear in the video. Which of the following is true about how the packets will arrive at her computer?
The packets will always be received in the order that they were sent
Either every packet will reach her computer or none of them will.
Packets that arrive out of order will be sent back to the server.
The packets may arrive out of order
Which of the following best describes the purpose of an IP address?
IP addresses provide a unique number for identifying devices that send and receive information on the Internet
IP addresses assist in the reconstruction of a message that has been divided into many packets
IP addresses indicate the location where an internet-connected computing device was manufactured
IP addresses indicate how many times an individual packet has been requested by a router
Which of the following Internet protocols is MOST important in reassembling packets and requesting missing packets to form complete messages?
Transmission Control Protocol (TCP)
Internet Protocol (IP)
User Datagram Protocol (UDP)
HyperText Transfer Protocol (HTTP)
Which of the following Internet protocols is used to request and send pages and files on the World Wide Web?
Transmission Control Protocol (TCP)
Internet Protocol (IP)
User Datagram Protocol (UDP)
HyperText Transfer Protocol (HTTP)
Two devices are connected to the Internet and communicating with one another. A squirrel chews through one of the wires in the network that is currently being used by the devices to communicate. The network immediately begins using a different path through the network and communication continues as normal.
This situation best exemplifies which principle?
fault-tolerance
scalability
protocol
pathing
What is a bit?
A contraction of 'Binary Digit'
A group of 8 bytes
A decimal representation
A type of overflow error
How many bits are in a byte?
4
8
16
32
What is binary?
A process for reducing the number of bits needed to represent something
A way of representing information using only two options
A type of analog data
A way of representing information using ten options
What is an overflow error?
Error from using lossy compression
Error from attempting to represent a number that is too large
Error from attempting to represent a number that is too precise
Error from sampling analog data
What is the main characteristic of analog data?
It is always represented in decimal
It is always represented in binary
It changes continuously over time
It changes discretely through a finite set of possible values
What is digital data?
Data that is always represented in decimal
Data that changes discretely through a finite set of possible values
Data that is always represented in binary
Data that changes continuously over time
What is sampling?
A process for increasing the precision of digital data
A process for converting digital data to analog data
A process for reducing the number of bits needed to represent something
A process for creating a digital representation of analog data
What is lossless compression?
A process for converting analog data to digital data
A process for converting digital data to analog data
A process for reducing the number of bits needed to represent something with some information loss
A process for reducing the number of bits needed to represent something without losing any information
What is lossy compression?
A process for reducing the number of bits needed to represent something without losing any information
A process for reducing the number of bits needed to represent something with some information loss
A process for converting analog data to digital data
A process for converting digital data to analog data
What is Creative Commons?
A way of representing information using only two options
A process for reducing the number of bits needed to represent something
A collection of public copyright licenses
A type of intellectual property
What is intellectual property?
A collection of public copyright licenses
A work or invention that is the result of creativity
A way of representing information using ten options
A process for reducing the number of bits needed to represent something
Which of the following is an example of analog data?
A digital photograph
A music recording
A binary number
A text document
Which error occurs when a number is too precise to represent?
Overflow Error
Round-off Error
Compression Error
Sampling Error
Which process is not reversible?
Lossless Compression
Binary Conversion
Lossy Compression
Sampling
What does a Creative Commons license allow?
Free distribution of a copyrighted work
Exclusive rights to a work
Conversion of analog data to digital
Reduction of data size without information loss
What kind of 'base' system is binary known as?
Base 12
Base 8
Base 2
Base 10
Which of these are the correct place values for binary?
128,64,32,16,8,4,2,1
128, 68,34,12,6,4,2,1
1,0
0,1
Convert 10000001 to decimal
221
135
104
129
