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Preliminary Investigation - Coggle Diagram
Preliminary Investigation
introduction
what is it
the first phase in sdlc
investigation towards the company/system/problem
why we need it
make decision
go execute the system
don't execute the system
save resources
understands the problem / opportunity
tools
fishbone diagram
what we must do
check for side effects of your system
existing system might be altered
existing system that depends on it might be altered
analyze the problems
cause
effect
document & presentation
introduction
brief description of the system
group/person that does the investigation
group/person that initiates the investigation
system request summary
base request summary
summarize the request
findings
body of the investigation
elaborate
all the previous steps
case for action
project request summary
specific recommendations to management
project roles
define stakeholders
time & cost estimates
expected benefits
appendix
"lampiran"
supporting facts
elaborate your interview details, etc
define the project scope & constraints
what we must do
avoid scope-creep
avoid unreachable goals at the moment
tools & tips
create a list of
"must do", "should do", "could do", "won't do"
create graph
details in book
mandatory/desireable
external/internal
present/future
find facts
organization charts
helps you to make system that suits their organization
"this guy reports to this guy"
interview
read documentation
observe operations
user survey
analyze data
analyze project...
usability
cost
schedule
benefits
evaluate feasability
see if your system is worthy for the problem
areas
technical
economic
schedule & time
operational