2. Agenda of the session
a. What is SAD?
b. Why It Is Important?
c. Real World Example
3. What Is System?
A system is a collection of
elements or components
that are organized for a
common purpose.
4. The World of Modern System
Analyst
SYSTEM SYSTEM
ANALYSIS ANALYST
SYSTEM
DESIGN
4
5. System analysis
The process of understanding and specifying in detail
what the information system should do
System design
The process of specifying in detail how many component parts
of the information system should be implemented
System analyst
A professional who used analysis and design techniques to
solve business problems (involving information technology)
5
6. Why Is It Important?
Success of information systems depends on
good SAD
Widely used in industry
Company or an industry can suffer a great
loss without SAD
No success in business without SAD
6
8. Characteristics Of System
System are made up of System boundary – the
interrelated subsystems separation between a
(e.g. a nuclear reactor is system and its environment
composed of boilers, (where inputs and outputs
reactor components etc.) cross)
Automation boundary –
Functional decomposition separation between the
– dividing a system into automated part of system
components based on and the manual part
subsystems (which are in
turn further divided into
subsystems)
8
9. The Analysts’ Research and understand the problem
Approach to Problem
Solving
Verify that the benefits of solving the
problem outweigh the costs
Develop a set of possible solutions
(alternatives)
Decide which solution is best,
and make a recommendation
Design the details of the chosen
solution
Implement the solution
Monitor to make sure the you
Obtain the desired results
9
