QUESTION $1$

Software development life cycle $($SDLC$)$ is a series of

phases that provide a common understanding of the

software building process. How the software will be realized

and developed from the business understanding and

requirements elicitation phase to convert these business

ideas and requirements into functions and features until its

usage and operation to achieve the business needs.

Differentiate between Agile model and spiral model.

$[2]$

Differentiate between waterfall model and V shaped

model.

QUESTION $2$

$2\mathrm{.}1$ Describe the purpose of Object$-$Oriented concepts and

explain how it will improve your concept of design, analysis

and development.

$2\mathrm{.}2$ Three tier design is a type of design used during Object$-$

Oriented development, briefly describe all three of them.