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IB ITGS HL - 15. IT Systems in Organizations all Questions & answers solved 100% accurately with Complete Solution Graded A+ latest version$11.49
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IB ITGS HL - 15. IT Systems in
Organizations
acceptance testing-✔✔ Testing performed by the client and users as part
of the handover process.
adaptive maintenance-✔✔ Maintenance that changes software to make it
work with a new software environment.
agile development-✔✔ Development method that focuses on creating
small, working parts of a project at regular intervals.
alpha testing-✔✔ Initial testing of an IT system.
analyst-✔✔ In project development, person who documents the current
system, finding its problems and areas for improvement
attributes-✔✔ Component of an Entity Relationship Diagram.
beta tester-✔✔ Person who attempts to find bugs in software before it is
released to customers.
beta testing-✔✔ Testing of an IT system once all features have been
added and only bugs need to be worked out.
bug tracking system-✔✔ Used to track and manage bugs in a piece of
software.
bugs-✔✔ Errors in a computer program or system, hopefully found during
testing.
business case-✔✔ Analysis of the benefits and problems of a proposed IT
project.
, Capability Maturity Model Integration-✔✔ Quality assurance method that
describes an organisation's level of maturity.
cardinality-✔✔ Property of a relationship in an Entity Relationship
Diagram.
changeover-✔✔ Moving from an old system to a new IT system.
client-✔✔ Person or organisation who commissions an IT project.
CMMI-✔✔ Quality assurance method that describes an organisation's
level of maturity.
constraints-✔✔ Limitations within which an IT system must work.
corrective maintenance-✔✔ Maintenance that fixes bugs in software.
CP-✔✔ Longest (slowest) path through a project's development, as
determined by using a PERT chart.
Critical Path-✔✔ Longest (slowest) path through a project's development,
as determined by using a PERT chart.
Custom / bespoke software-✔✔ Software created specific for an individual
or organisation.
data collection-✔✔ Used to find information about an existing system
during the development of a new system.
Data Flow Diagram-✔✔ Shows processes in a system and the flows of
data between them.
data structure-✔✔ The way the data within an IT system is organised and
related.
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