Computer Final

Final compute r exam s

20 cards   |   Total Attempts: 188
  

Cards In This Set

Front Back
A(n) ____________________ is a collection of data organized in a manner that allows access, retrieval, and use of that data.
Database
2. ____________________ is a collection of unprocessed items, which can include text, numbers, images, audio, and video.
Data
The ____________________ defines the maximum number of characters a field can contain.
Field size
The ____________________ specifies the kind of data a field can contain and how the field is used.
Data type
A(n) ____________________ is a collection of related records stored on a storage medium such as a hard disk, CD, or DVD.
Data file
A(n) ____________________ uniquely identifies each field.
Field name
In a database file, a(n) ____________________ uniquely identifies each record in a file.
Key field or primary key
____________________ is the process of comparing data with a set of rules or values to find out if the data is correct.
Validation
9. A(n) ____________________ ensures that users enter only alphabetic data into a field
Alphabetic check
A(n) ____________________ run on the data shown in Figure 9-3 determines whether a number is within a specified range
Range check
11. A(n) ____________________ is a number(s) or character(s) that is appended to or inserted in a primary key value.
Check digit
In a typical _________________________, each department or area within an organization has its own set of files.
File processing system
When a company uses a(n) ____________________, many programs and users share the data in a database
Database approach
A(n) ____________________ uses the logs and/or backups to restore a database when it becomes damaged or destroyed.
A(n) ____________________ uses the logs and/or backups to restore a database when it becomes damaged or destroyed.
A(n) ____________________ consists of rules and standards that define how the database organizes data.
Data model