bit (the smallest unit of data)
• has only two values - 1 or 0
• bytes
• 8 bits make up one byte, which
represents one character like the letter
A
• field (or in a database attribute)
• represents a combination of bytes that
make up one aspect of a business object
(i.e. last name, invoice number, age)
• Record
• a collection of related data fields (i.e.
name/address/phone information for
one student)