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21. The database stores information in _______.
A. Rows and columns
B. Blocks
C. Tracks and sectors
D. All of these
ANSWER:A
SOLUTION : A database stores information in rows and columns. A database is a structured repository of information that is organized in a grid system of rows and columns to make it easier to access, manage, and update.
22. To locate a data item for storage is _______.
A. Field
B. Feed
C. Database
D. Fetch
ANSWER:D
SOLUTION:Fetch is the term used to locate a data item for storage in computer technology.
23. The smallest unit of information about a record in a database is called a ________.
A. Cell
B. Field
C. Record
D. Query
ANSWER:B
SOLUTION:The smallest unit of information about a record in a database is called a field.
24. An entity set that does not have sufficient attributes to form a primary key, is a _______.
A. Strong entity set
B. Weak entity set
C. Simple entity set
D. Primary entity set
ANSWER:B
SOLUTION:An entity set that does not have sufficient attributes to form a primary key is a weak entity set.
25. DBMS is comprised of tables that made up of rows called ___ and columns called______.
A.Fields, records
B. Records, fields
C. Address, fields
D. Ranges, sheet
ANSWER:B
SOLUTION:A database management system (DBMS) is made up of tables that contain rows called records and columns called fields.
26. What is a stored question about information in a database?
A. Query
B. Sort
C. Report
D. Record
ANSWER:A
SOLUTION :A query is a stored question about information in a database. It’s a request for data or information from a database table or tables, and can be used to perform an action on the data, or both.
27. A program that generally has more user-friendly interface than a DBMS is called a ________.
A. Front end
B. Repository
C. Back end
D. Form
ANSWER: A
SOLUTION:A program that generally has a more user-friendly interface than a DBMS is called a front end.
28. What is the overall term for creating, editing, formatting, storing, retrieving a text document?
A. Word processing
B. Spreadsheet design
C. Web design
D. Database management
ANSWER:A
SOLUTION:The overall term for creating, editing, formatting, storing, retrieving, and printing a text document is word processing.
29. DBMS helps to achieve_______.
A. Data independence
B. Centralized control of data
C. Selection of data
D. Both ‘1’ and ‘2’
ANSWER:A
SOLUTION:A database management system (DBMS) helps to achieve data independence.
30. Periodically adding, changing and deleting file records is called __ file.
A. Updating
B. Upgrading
C. Restructuring
D. Renewing
ANSWER:A
SOLUTION:Periodically adding, changing, and deleting file records is called file updating.