Exam (elaborations)
SYSTEMS ANALYSIS AND DESIGN CHAPTER 12 TEST
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SYSTEMS ANALYSIS AND DESIGN CHAPTER 12 TEST...
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System - ANSWER A set of activities and elements designed to achieve aspecific purpose.
An information system consists of hardware, software, people, procedures, data,
and the Internet.
System analysis and design is a six-phase problem-solving method used to
examine and improve an information system.
What are the six phases of the system analysis design process? - ANSWER
System Life Cycle
What are the six steps of system analysis design? - ANSWER Preliminary
investigation, system analysis, design, development, implementation, and
maintenance.
Preliminary investigation - Answer The organization's challenges or needs are
recognised and summarised in a brief report.
system analysis - ANSWER The current system is well analysed. New needs
are defined and recorded.
ANSWER - Systems design A new or alternative information system is
designed, and a design report is generated.
ANSWER for system development New hardware and software are obtained,
created, and tested.
System implementation - ANSWER The new information system is installed,
and users are trained to use it.
, System maintenance - ANSWER During this continuous phase, the system is
periodically assessed and upgraded as necessary.
Systems analyst - ANSWER Computer professionals who examine an
organization's systems to identify what steps to take and how to use computer
technology to help them.
What are the phases of the preliminary investigation? - ANSWER 1: identifying
the problem, 2: proposing various solutions 3: creating a brief report
summarising the findings.
What are the requirements for conducting a system analysis? - ANSWER
Gathering and analysing data
What are some of the technologies available to help systems analysts and end
users throughout the analysis phase? - ANSWER top-down analytical
technique, grid charts, system flowcharts, data flow diagrams, and automatic
design tools
Top-down analysis - The ANSWER approach is used to determine the top-level
components of a complicated system. Each component is then broken down into
even smaller components. This method makes each component easy to analyse
and manage.
Grid Charts - ANSWER illustrate the relationship between input and output
documents.
System flowcharts - ANSWER depict the flow of data from input to processing
and, finally, output or information distribution.
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