WorksheetsUnit 2: Kira Learning
Total questions: 21
Worksheet time: 11mins
What is the smallest unit of information used in computers, which can be either 1 or 0?
Byte
Bit
Pixel
RGB Value
Which system uses the number 10 and includes symbols 0 through 9?
Binary system
Decimal system
Byte system
RGB system
What is a group of 8 bits called?
Byte
Bit
Pixel
Table
What is the smallest unit of data in a digital image?
Byte
Bit
Pixel
RGB Value
What does the term "encode" refer to in computing?
Translating data into a human-readable form
Translating human-readable data into a form for efficient storage
Organizing data into rows and columns
Running a set of computer programs
What is the term for the physical elements of a computer or an electronic system?
Software
Hardware
Pixel
Table
What does a row represent in a table?
A single entry in a table; organized horizontally
A single category of data; organized vertically
A diagram that represents data using lines
A type of graph with bars of varying heights
What is a column in a table?
A single entry in a table; organized horizontally
A single category of data; organized vertically
A diagram that represents data using lines
A type of graph with bars of varying heights
What is a graph?
A single entry in a table; organized horizontally
A single category of data; organized vertically
A diagram that represents data using lines, bars, or other visual tools
A type of graph with bars of varying heights
What is a bar graph?
A single entry in a table; organized horizontally
A single category of data; organized vertically
A diagram that represents data using lines
A type of graph where values are represented by bars of varying heights
What is an axis used for in a graph?
To represent a single entry in a table
To mark measurements and possible values
To show a pattern in data
To clean data messiness
What is a scatter plot?
A type of graph where values are represented by bars
A type of graph where values are represented by dots
A diagram that represents data using lines
A single entry in a table
What does correlation indicate?
When data is in an improper format
When two pieces of data are related
When data is inaccurate
When data is outside the typical range
What is causation?
When data is in an improper format
When one piece of data changing results in a change in another
When data is inaccurate
When data is outside the typical range
What is a trend in data?
A pattern that can predict future values
A single entry in a table
A type of graph with bars
A process of removing data messiness
What is a model in data analysis?
A single entry in a table
A structure that takes input and produces output based on logic
A type of graph with bars
A process of removing data messiness
What is data messiness?
When data is in an improper format or is incorrect
When data is inaccurate
When data is outside the typical range
When data is extra information
What is data cleaning?
The process of removing data messiness
A type of graph with bars
A pattern that can predict future values
A structure that takes input and produces output
What is data bias?
When data is in an improper format
When data is an inaccurate or distorted representation
When data is outside the typical range
When data is extra information
What are outliers in a dataset?
Data that is in an improper format
Data that is way outside the typical range
Data that is inaccurate
Data that is extra information
What is noise in data?
Data that is in an improper format
Data that is way outside the typical range
Extra information that isn’t useful
Data that is inaccurate
