BY :MUNTAHA QADRI

PRESENTATION ON

Orderly grouping of interdependent components linked together according to a plan to achieve

a specific objective

Greek word ‘systema’Organized relationship among functioning units

CHARACTERISTICS OF SYSTEM Organization

Interaction

Interdependence

Integration

Central objective

Elements of the systemInputs & OutputsProcessor

ControlFeedback

EnvironmentBoundaries and

interface

TYPES OF SYSTEMo Physical or abstracto Social , human

machine, machineo Natural &

Manufacturedo Permanent or

Temporaryo Adaptive & non

adaptive

SYSTEM DEVELOPMENT LIFE CYCLE

SDLC

Conceptual model usedin Project Management thatdescribes the stages involved in an informationsystem development project

STAGES OF SDLC

An SDLC represents a set of general categoriesthat show the major steps, over time , of aninformation systems development project

Design

Implementation

Planning

Analysis

PLANNING1 : Do a feasibility study & look at the Options

• Economical• Organizational &

operational• Technical

2 : Create a project plan

• A plan will keep the project on track• A plan can be used for evaluation

ANALYSIS1 : Analysis by breaking down into parts

2: Gather requirements by talking to all stakeholders & technical providers

3 : Create a proposal to present to stakeholders

DESIGN1 : Decide where the system will be created

2 : Identify how it will operate

3 : Reexamine the feasibility study done in the 2nd phase

IMPLEMENTATION System is built or

purchased or tested

Training is implemented for end users

A technical support plan is put into place

Use by end users is evaluated

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