题目内容

Which of the following is an accurate representation of the data hierarchy from smallest to largest?

A. bit, byte, field, record, file, database
B. bit, byte, field, file, record, database
C. byte, bit, field, record, file, database
D. byte, bit, field, file, record, database

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A ________ represents the smallest unit of data a computer can process.

A. bit
B. byte
C. field
D. file

A is a group of eight .

A. bit; bytes
B. byte; bits
C. field; files
D. file; fields

Microsoft ________ is a popular example of a relational database.

Access
B. Excel
C. PowerPoint
D. Word

The relational database model is based on the concept of ________-dimensional tables.

A. one
B. two
C. three
D. four