Cobi Unit 3 Data Vocabulary Quiz Practice

What is the definition of a variable in programming?

• A fixed value that cannot change

• A storage location that holds data which can change during program execution

• A type of data that is always binary

• A method for compressing data

What is data?

• A type of variable

• Information collected or stored in a format that can be processed or analyzed

• A method for reducing file size

• A binary digit

What is the smallest unit of data in a computer?

• Byte

• Integer

• Bit

• Decimal

What does abstraction in computer science refer to?

• Increasing data size

• Simplifying complex data or concepts by focusing on important details

• A type of data compression

• A method for storing variables

What are integers?

• Numbers with fractions

• Whole numbers without fractions or decimal parts

• A type of binary data

• A method for data compression

What digits are used in the binary numbering system?

• 0 to 9

• 0 and 1

• 1 to 10

• 0 to 8

What is the purpose of data compression?

• To increase data size

• To save storage space or transmission time

• To convert data to binary

• To create variables

What is metadata?

• Data that provides information about other data.

• Data that is incomplete or missing parts.

• Data that does not meet the required format.

• Data that is used to visualize patterns.

What is incomplete data?

• Data that provides information about other data.

• Data lacking necessary information or missing parts.

• Data that does not meet the required format.

• Data that is used to visualize patterns.

What is the process of cleaning data?

• Detecting and correcting errors or inconsistencies in data.

• Removing all data from a dataset.

• Adding new data to a dataset.

• Visualizing data to find patterns.