Question $1$: $[20$ marks$]$

Answer the following guestions:

Illustrate yations system development models. $($S marks$)$

Discuss how business intelfigence support decision making. $(2$ matks$)$

What are the business benefis of using intelligen tecluiques for kowledge mangement?

$($S marks$)$

What are vitial organizations? State its advantages and disadvantages. $(3$ marks$)$

Explain the difference between intension and extension in a database is marks$)$