Week 1 : Systems Analyst Flashcards by Kevin Halpin

What is a sys analysist

A business professional who uses analysis and design techniques to solve business problems using IT

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Who does a sys analyst server as a bridge between

the users and the design/programming team

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what is the SDLC

the system development life cycle

the entire process, all activities that are part of sys analysis, design, programming, testing, implementing, and maintaining the sys

AKA: all activities to build, launch, and maintain an information system

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Core processes that are always required

Identify problem/need and obtain approval

Plan and monitor problem

Understand the details of problem

Design sys components/solve the problem

build/test/integrate sys components

deploy the soln

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what are the 2 broad categories of SDLC

predicive and adaptive

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Are requirements known in a predicitve SDLC? how about adaptive

predictive=yes

adaptive=no

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risk in a predicitve SDLC? how about adaptive

predicitve=low

adaptive=high

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Predictive approaches to the SDLC

waterfall model

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adaptive approaches to the SDLC

agile, spiral

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characteristics of the predictive approach of the SDLC

assumes project can be planned in advance and info sys can be developed according to the plan

requirements are well understood

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characteristics of the adaptive approach of the SDLC

iterative model

assumes project is more flexible and must adapt to changing needs as project progresses

requirements and needs are uncertain

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how are phases completed in waterfall

sequentially with no overlap or iteration

once one phase is complete, fall over waterfall and dont go back

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phases in waterfall

planning, analysis, design, implementation, deployment

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pros of the waterfall model

requirements are identified prior to programming

minimizes changes

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cons of the waterfall method

design must be completely specificed prior to programming

length deliverables

possible changes in business enviorment between requirements and implementations

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what is the difference with modified waterfall

assume predictive planning and sequential phases, but recognizes that projects phases must overlap..influencing and depending on one another

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what do all adaptive approaches to the SDLC all have

all include iterations

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what do iterations allow you to do

iterations can be used to create a series of mini projects that address smaller parts of application

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what are some key benefits of iterations

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project can adapt to any changes as it proceeds

parts of the system are available early on for user evaluation and feedback which helps ensure that the application can meet the needs of the users

most diff problems identified and addressed early in project

what is a walking skeleton

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a complete front to back implementation of the new sys but with only the bare bones of the functionality

is agile a complete methodology

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which 3 methodologies incorperate agil principals

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scrum

What are the 4 phases of UP SDLC

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in UP, what is a discipline

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a set of functionality related development activities

In the rational unified process RUP what are the dynamic aspects of the process

cycles, phases, iterations, and miletones time

In the rational unified process RUP what are the static aspects of the process

activities, artifacts, workers, and workflows static

what is the inception phase

establish the business case for the system and delimit the proj scope

what phase is the actors of the system identified

Inception phase

which phase are these the outcomes of

inception phase

What is the purpose of the elaboration phase

to analyze the problem domain, establish a sound architectural foundation, develop project plan, and eliminate highest risk elements of the project develop "mile wide and inches deep" view of the system

what is the most critical of the four phases

Elaboration phase: must decide whether or not to commit to the construction and transition phase

what is the phase that these are the outcomes of

elaboration phase

Goal of the construction phase

All remaining components and application features are developed and integrated into the product with all features thouroughly tested

what is the main transition with the outcomes of the elaboration phase and the construction phase

transition from development of intellectual property to development of deployable products

what phase are these the outcomes for

construction phase

What is each phase in RUP further broken down into

an iteration

defintion of an iteration in the RUP

complete developmetn loop resulting in a relase of a: executable prodct which is a subset of the final prodct and grows incrementally from iteration to iteration

what are benefits of the iterations in RUP

Risks mitigated earlier change more manageable higher level of reuse project team can learn along the way better overall quality

what is the goal of the transition phase

to transition the software product to the user community

what are these the outcomes for