$1.$ What is an information system? What is its purpose?

$2.$ How do systems analysis and systems development fit into a discussion about information systems?

$3.$ What does the acronym SDLC mean, and what does an SDLC portray?

$4.$ What does the acronym DBLC mean, and what does a DBLC portray?

$5.$ Discuss the distinction between centralized and decentralized conceptual database

design.

$6.$ What is the minimal data rule in conceptual design? Why is it important?

$7.$ Discuss the distinction between top$-$down and bottom$-$up approaches in database

design.

$8.$ What are business rules? Why are they important to a database designer?

$9.$ What is the data dictionary$$s function in database design?

$10.$ What steps are required in the development of an ER diagram? $($Hint: See Table $9\mathrm{.}3.)$