systems analysis & design author: professor susan fuschetto 10/24/2014 1

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Systems Analysis & DesignAUTHOR: PROFESSOR SUSAN FUSCHETTO

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/24

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Overview

Why study systems analysis & design?

What does a Systems Analyst do?

Systems Development Life Cycle (SDLC)

Initial Planning

Analysis

Design

Implementation

Support, Maintenance & Security

Ongoing Activities

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Initial Planning

Analysis

DesignImplementation

Support, Maintenance &

Security Ongoing Activities

3Why study systems analysis & design?

Your role in using systems

You may one day be asked to work on a systems project

Maybe you want to become a Systems Analyst

10/24/2014

4Why study systems analysis & design?

Your role in using systems

You may one day be asked to work on a systems project

Subject matter expert

Maybe you want to become a Systems Analyst

10/24/2014

5Why study systems analysis & design?

Your role in using systems

You may one day be asked to work on a systems project

Subject matter expert

Maybe you want to become a Systems Analyst

10/24/2014

6Why study systems analysis & design?

Your role in using systems

You may one day be asked to work on a systems project

Maybe you want to become a Systems Analyst

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What does a Systems Analyst do?

Works in a team

Background and education

Skills

Liaison

Project Leader

Primary tasks

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What does a Systems Analyst do?

Works in a team

Background and education

Skills

Liaison

Project Leader

Primary tasks

10/24/2014

9

What does a Systems Analyst do?

Works in a team

Background and education

Skills

Liaison

Project Leader

Primary tasks

10/24/2014

10What does a Systems Analyst do?

Works in a team

Background and education

Skills

Liaison

Project Leader

Primary tasks

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Systems

Analyst

Management

Programmer, Network

Administrator, Database Designer,

webmaster etc.

Outside Vendors

Other Systems Analysts

Business Users

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What does a Systems Analyst do?

Works in a team

Background and education

Skills

Liaison

Project Leader

Primary tasks

10/24/2014

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What does a Systems Analyst do?

Works in a team

Background and education

Skills

Liaison

Project Leader

Primary tasks

10/24/2014

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What does a Systems Analyst do?

Works in a team

Background and education

Skills

Liaison

Project Leader

Primary tasks

10/24/2014

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What does a Systems Analyst do?

Works in a team

Background and education

Skills

Liaison

Project Leader

Primary tasks

10/24/2014

15Systems Development Life Cycle (SDLC)

10/24/2014

Initial Planning

Analysis

DesignImplementation

Support, Maintenance &

SecurityOngoing Activities

16Systems Development Life Cycle (SDLC)

What is a system?

Why call it a life cycle?

Phases

SDLC varies depending on the project

New development

Maintenance/support

10/24/2014

Initial Planning

Analysis

DesignImplementation

Support, Maintenance &

SecurityOngoing Activities

17Systems Development Life Cycle (SDLC)

What is a system?

Why call it a life cycle?

Phases

SDLC varies depending on the project

New development

Maintenance/support

10/24/2014

Initial Planning

Analysis

DesignImplementation

Support, Maintenance &

SecurityOngoing Activities

18Systems Development Life Cycle (SDLC)

What is a system?

Why call it a life cycle?

Phases

SDLC varies depending on the project

New development

Maintenance/support

10/24/2014

Initial Planning

Analysis

DesignImplementation

Support, Maintenance &

SecurityOngoing Activities

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Initial Planning

Reviews project requests

Prioritize requests

Approve requests

Allocate resources

Assign project leader/manager

Form the development team

Deliverables: Preliminary project plan and budget

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Initial Planning

Reviews project requests

Prioritize requests

Approve requests

Allocate resources

Assign project leader/manager

Form the development team

Deliverables: Preliminary project plan and budget

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Initial Planning

Reviews project requests

Prioritize requests

Approve requests

Allocate resources

Assign project leader/manager

Form the development team

Deliverables: Preliminary project plan and budget

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Analysis

Problem solving approach:

1. Gather the facts 2. Analyze the facts 3. Make a decision

Preliminary investigation

Feasibility study

Detail analysis

Review the current system

Requirements determination

Recommend a solution

Deliverable: Requirements document. Feasibility study & Preliminary Investigation report as needed.

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Analysis

Problem solving approach:

1. Gather the facts 2. Analyze the facts 3. Make a decision

Preliminary investigation

Feasibility study

Detail analysis

Review the current system

Requirements determination

Recommend a solution

Deliverable: Requirements document. Feasibility study & Preliminary Investigation report as needed.

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Analysis

Problem solving approach:

1. Gather the facts 2. Analyze the facts 3. Make a decision

Preliminary investigation

Feasibility study

Detail analysis

Review the current system

Requirements determination

Recommend a solution

Deliverable: Requirements document. Feasibility study & Preliminary Investigation report as needed.

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Analysis

Problem solving approach:

1. Gather the facts 2. Analyze the facts 3. Make a decision

Preliminary investigation

Feasibility study

Detail analysis

Review the current system

Requirements determination

Recommend a solution

Deliverable: Requirements document. Feasibility study & Preliminary Investigation report as needed.

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Analysis

Problem solving approach:

1. Gather the facts 2. Analyze the facts 3. Make a decision

Preliminary investigation

Feasibility study

Detail analysis

Review the current system

Requirements determination

Recommend a solution

Deliverable: Requirements document. Feasibility study & Preliminary Investigation report as needed.

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Design

Review requirements document

Create design diagrams

Buy hardware and software if needed

Deliverable: Detail Design document

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Implementation

Development

Program Development Life Cycle

Review Requirements and Design documents

Create detail program and system design

Create programs, database and other system components

Document & test system

Implementation

Training users & operational staff

Convert to the new system

Deliverable: working system with documentation

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Implementation

Development Program Development Life Cycle

Analyze Requirements and Design documents

Design program designs

Develop programs, database and other system components

Test system

Document

Implementation Training users & operational staff

Convert to the new system

Deliverable: working system with documentation

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Analyze

Design

DevelopTest

Document

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Implementation

Development Program Development Life Cycle

Analyze Requirements and Design documents

Design program designs

Develop programs, database and other system components

Test system

Document

Implementation Training users & operational staff

Convert to the new system

Deliverable: working system with documentation

10/24/2014

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Implementation

Development Program Development Life Cycle

Analyze Requirements and Design documents

Design program designs

Develop programs, database and other system components

Test system

Document

Implementation Training users & operational staff

Convert to the new system

Deliverable: working system with documentation

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Implementation

Development Program Development Life Cycle

Analyze Requirements and Design documents

Design program designs

Develop programs, database and other system components

Test system

Document

Implementation Training users & operational staff

Convert to the new system

Deliverable: working system with documentation

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Implementation

Development Program Development Life Cycle

Analyze Requirements and Design documents

Design program designs

Develop programs, database and other system components

Test system

Document

Implementation Training users & operational staff

Convert to the new system

Deliverable: working system with documentation

10/24/2014

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Implementation

Development Program Development Life Cycle

Analyze Requirements and Design documents

Design program designs

Develop programs, database and other system components

Test system

Document

Implementation Training users & operational staff

Convert to the new system

Deliverable: working system with documentation

10/24/2014

35

Implementation

Development Program Development Life Cycle

Analyze Requirements and Design documents

Design program designs

Develop programs, database and other system components

Test system

Document

Implementation Training users & operational staff

Convert to the new system

Deliverable: working system with documentation

10/24/2014

36

Implementation

Development Program Development Life Cycle

Analyze Requirements and Design documents

Design program designs

Develop programs, database and other system components

Test system

Document

Implementation Training users & operational staff

Convert to the new system

Deliverable: working system with documentation

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Support, Maintenance & Security

Enhancements & bug fixes

Ongoing review of security

Monitor system performance

Backup & Recovery

User profiles

Software updates

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Support, Maintenance & Security

Enhancements & bug fixes

Ongoing review of security

Monitor system performance

Backup & Recovery

User profiles

Software updates

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Ongoing Activities

Project Management and Planning

Feasibility checkpoints

Documentation

Fact-finding

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Ongoing Activities

Project Management and Planning

Feasibility checkpoints

Documentation

Fact-finding

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Wrap Up

One day will you be a subject matter expert on a systems project?

Will you have to test a system?

Will you become a Systems Analyst?

10/24/2014