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p4 carry out a structured analysis of a specified business process
p5 produce a requirements specification for a business process
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Modern college of Business and science
Unit 11: Systems Analysis and Design
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CARRY OUT A STRUCTURED ANALYSIS OF A
SPECIFIED BUSSINESS PROCCESS (P4).
Structured analysis is software developing technique that uses graphical diagram to
develop system specifications that can be easily understood by the users. These
graphical diagrams defined the steps that needed and data required to meet design
function of particular software. There are variety of tools and techniques that can
be used to carry out structured analysis. Using investigation materials provided,
I’m going to carry out the structured analysis of the current (As –Is) customer
services used at Al Rafiq. I have been asked to provide DFDs, inputs, outputs and
processes.
DATA FLOW DIAGRAM.
This is the visual tool that can be used to illustrate flow of data in both large and
complex system based on where data comes from, where it goes and how it get
stored. Data flow diagram provides graphical representation on what the system on
how the system operates in terms of input and outputs in any level of detail. Data
flow diagram can be used to review the flow of data in the system also can be used
as initial step in creation of the system. Using investigation material provided, I’m
going to use data flow diagram to carry out structured analysis of the current
customer services at Al Rafiq.
Booking Actual rehxgistration
Collects information Payments
Asking for services of customer
4 5 6
5 6
D1 Booking
Customer data
• 1.1 Check for services
• 1.2 Input personal information
, • 2.1 Receive ordering from customer.
• 2.2 Confirm by asking questions to assistant
• 3.1 Approve ordering
• 5 store order information to database
• 6 store ordering approval to database
Inputs.
These are data input into the system. In this section define what inputs are needed
by the system. Inputs are best described by the screen form. In above data flow
diagram, input is Goods inquiry, Order placing, Customer details, Asking for
product features which has been presented by arrow.
, Outputs.
These are data output from the system. In above data flow diagram, output are
customer services support, Feedback about goods, recording the order and others.
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