Data Concepts Quiz

What is the smallest unit of data in a computer, which can be either a 0 or a 1?

• Byte

• Bit

• Binary

• Metadata

Which number system uses only two digits, 0 and 1, to represent data?

• Decimal

• Hexadecimal

• Binary

• Octal

What is a group of 8 bits commonly used to represent?

• A number

• A byte

• A bit

• A pixel

What is the process of reducing the size of data to save space or transmission time called?

• Data Filtering

• Data Compression

• Data Abstraction

• Data Analysis

Which type of data compression allows the original data to be perfectly reconstructed?

• Lossy Compression

• Lossless Compression

• Data Filtering

• Data Abstraction

What does lossy compression do to reduce file size?

• Adds more data

• Eliminates certain information

• Increases file size

• Duplicates data

What is the practice of simplifying complex systems by focusing on the main idea while hiding unnecessary details?

• Data Filtering

• Abstraction

• Pattern Recognition

• Scalability

What provides information about other data, such as the date of creation or file size?

• Metadata

• Byte

• Bit

• Algorithm

What is a step-by-step procedure or formula for solving a problem or completing a task?

• Algorithm

• Metadata

• Sampling Technique

• Correlation

What is a collection of related data points or values that can be analyzed to extract information or identify patterns?

• Data Set

• Byte

• Bit

• Algorithm