11. An extent is a contiguous section of disk storage space.

A. True
B. False

12. The three newest database architectures in use today are relational, multidimensional and hierarchical.

A. True
B. False

13. Data-volume and frequency-of-use statistics are not critical inputs to the physical database design process.

A. True
B. False

14. In general, larger block sizes are used for online transaction processing applications and smaller block sizes are used for databases with a decision support or data warehousing system.

A. True
B. False

15. It is usually not very important to design the physical database to minimize the time required by users to interact with the information systems.

A. True
B. False