10 Questions
What is a byte?
A unit of data typically consisting of eight bits
What is a field in the context of data?
Typically a name, number, or combination of characters that describes an aspect of a business object or activity
What does a record consist of?
A collection of data fields all related to one object, activity, or individual
What is a database?
An organized collection of data
What is an attribute?
A characteristic of an entity
What is the smallest piece of data used by computers?
Bits
How many bits are typically in a byte?
Eight bits
What does each byte represent?
A character
What is a record?
A collection of data fields all related to one object, activity, or individual
What is a database?
An organized collection of data
Study Notes
Data Fundamentals
- A byte is the smallest piece of data used by computers, comprising 8 bits.
- Each byte represents a single character, number, or other form of data.
- A bit is the basic unit of information, and 8 bits are typically grouped together to form a byte.
- A field, in the context of data, refers to a single piece of information within a record.
- A record consists of a collection of related fields, such as a person's name, address, and phone number.
- An attribute is another term for a field, describing a characteristic or feature of a record.
- A database is a collection of organized records, storing large amounts of data in a structured and accessible way.
- Records within a database are composed of multiple fields, which contain specific data about a particular entity or instance.
Test your knowledge on the hierarchy of data and understand the difference between bits and bytes. Learn about characters, fields, records, files, and databases.
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