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AS1 APPROACHES TO SYSTEMS DEVELOPMENT > describe the purpose of system maintenance > Flashcards

describe the purpose of system maintenance Flashcards

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AS1 APPROACHES TO SYSTEMS DEVELOPMENT (41 decks)

explain the 'impact' of the software crisis

explain the need for software systems that meet the needs of organisations and/or individuals

explain the main factors affecting systems development: the user needs, time and cost

understand that a computer system consists of a user interface, processes and data

describe the roles of the following during systems development: systems analyst, project manager and the programmer

describe the purpose of analysis

evaluate different fact finding techniques: interviews, questionnaires, observation and document sampling

distinguish between functional and non-functional user requirements in systems such as stock control, reservation, payroll and billing

explain the purpose of data flow diagrams

describe the purpose of systems design, development and testing

describe the use of storyboarding in developing the user interface

describe the use of prototyping in the design of the user interface and the data model

understand the importance of testing throughout the development of a system ensuring system quality

distinguish between different types of testing: alpha, beta, system and acceptance

understand the purpose of a test plan

describe the main components of a test plan

distinguish between different types of test data

describe the purpose of system implementation

evaluate different changeover methods: parallel, direct, pilot and phased

describe the different types of documentation: user documentation and technical documentation, and explain how they are used

explain what is meant by data conversion

describe the purpose of system maintenance

evaluate different forms of maintenance: corrective, adaptive and perfective

describe the main features of different approaches to systems development: the waterfall model, Rapid Application Development (RAD) and agile

evaluate different approaches to systems development: waterfall, RAD and agile

describe the main elements in the organisation of a software project: resources, constraints and risks

explain the main features of project management for a software project

evaluate the use of project management tools: Gantt charts and critical path analysis

describe the importance of version management during systems development

explain why data is archived

explain the need for backup and recovery

evaluate the methods of backup: full backup, incremental backup and differential backup

explain the purpose of a disaster recovery plan

describe the contents of a typical disaster recovery plan

describe the purpose of a computer program

describe the main features of an integrated development enviornment (IDE)

explain the process of translation

explain the terms: algorithm, syntax, data type and variable

describe the fundamental programming concepts of sequence, selection and iteration including count controlled and condition controlled loops

explain object orientated programming terminology; objects, classes, methods and inheritance

evaluate the use of object orientated approach

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