1. Systems Analysis & SDLC

What is systems analysis?

The process of examining a situation to develop a solution to a problem or devise improvements.

What is the key objective of systems analysis?

Develop the right system that addresses the problem and meets goals effectively and efficiently.

Effectiveness means what?

Goal attainment: does the solution achieve what we want it to?

Efficiency means what?

How well does the solution do it? Are other solutions better?

What is SDLC?

The process of determining how an IS supports business needs, designing, building, and delivering it to users.

What is the primary goal of SDLC?

Create value for the organization.

What happens in the SDLC Planning phase?

Cost-benefit analysis.

What happens in the SDLC Analysis phase?

Systems analysis and stakeholder requirements.

What happens in the SDLC Design phase?

Building and coding.

What happens in the SDLC Implementation phase?

Testing, acceptance, and deployment.

What happens in SDLC Maintenance?

Monitoring and maintaining.

What is SDLC Disposal?

Discarding and transitioning to new systems.

A project finishes early and under budget but fails to solve the problem. What is lacking?

Effectiveness: the project did not attain its goal.

Name two common reasons IT projects fail.

Poor requirements and scope; missing stakeholders; weak governance; or underestimated risks.