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system life cycle (analysis stage (research or collect data from the…
system life cycle
analysis stage
research or collect data from the current system
observation
questionaries
interview
looking at existing paperwork
describe the current system
identify the problem with the current system
agree the objectives with the current system
identify and agree customer requirement
interpret customer requirement
produce a cost benefit analysis
identify suitable software and hardware
produce data flow diagram
design stage
design the data capture forms/input forms
have a heading to make the purpose of the form clear
make it clear to the person filling in the form where they must place their answers
make use of text boxes, which will limit the amount of information collected
make use of character for data such as surnames, telephones number and so on (each box allow one character only
make use of printed text boxes to allow for easy input of items such as date of birth
make use of thick boxes to make choice easier such as sex, - male or female
make sure there is sufficient space to write answers
use clear fonts and clear text colours to ensure the form is easy to read
design the screen layout
to make sure the size of all the output fields is correct
so that any instruction/description are clearly
so that the full screen is utilised (avoiding large are of 'nothing')
so that colours and fonts (size and type) make the output clear
design outputs in the form of screen displays and printed reports
produce system flowcharts and/or pseudo code
select/design validation rules that need to be used
range check
look up check
length check
character/type check
format/picture check
presence check
consistency check
check digit
design or agree on film structures
produce any algorithms or program flowchart
design a testing strategy/plan
development and testing stag
implementation stage
documentation
evaluation stage