IT
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what are the inputs to the initiation phase (2)?
User req. User cons.
what are the outputs from the initiation phase(2)
success criteria feasibility decision
outputs from the planning phase(4)
Project targets (SMART) Project steps risk and mitigation test plan
outputs from the execution phase
finished product test results
outputs from the evaluation phase
deliverable product user documentation
3 types of IT system testing
iterative. final. Normal, extreme and destructive
(4)draw backs of plf
requires managements skill bureaucratic time to put in place need effective communication
3 planning tools that are data based
gantt pert/critical path charts and graphs
3 image based planning tool
visualisation mind map chart, graph
What is a SWOT analysis
-Our strengths and weaknesses -Competitors opportunities and threats. Identity’s risks and responses
how do we turn data into information
we give it structure, context and meaning
what software can be used to process data
Database spreadsheet
features of a database(6)
tables for each focus queries forms reports switchboard validation and input masks
features of a spreadsheet(4)
functions(e.g. sum, max, min) formula charts and graphs “what if analysis”
primary methods of data collection(6)
questionnaire observation interview loyalty schemes email requests consumer panels
secondary methods of data collection(4)
internet books magazines government data sets
IT based methods of data collection 3
sensors online questionnaires cctv
big data
data collected on national/international scale
how can big data be used(3)
spot trends and patterns identify solutions spot emerging issues
hazard of big data
tend to be national and ignore local variation
ways we can judge data collection methods(5)
reliability bias cost two way style possible primary/secondary
benefits of an it network
share data and devices as well as cooperation
data types.(10)
text alphanumeric integer currency percentage decimal date/time limited choice object boolean
why set data types before collecting them
validate user inputs