The System Development Life Cycle

THE S YSTEM DEV EVEL ELOP OPME MENT NT LI LIFE FE CYCLE

Secondary IT Year 2

Trusted by over 1 million members

Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial Cancel Anytime.







WHAT IS THE SYSTEM LIFE CYCLE?

DEVELOPMENT









WHAT IS THE SYSTEM CYCLE?

DEVELOPMENT LIFE



Phased approach to analysis and design of the system.



Blue Print for developing the information system.



Divided into seven phases









THE SYSTEM DEVELOPMENT LIFE 7. Implementing and evaluating the system

6. Testing and maintaining the system

CYCLE

PHASES

1. Identifying

Problems, opportunities and objectives

2. Determining human information requirements









PHASE 1 Identifying Problems, Opportunities , and Objectives









Phase 1 

Time should not be wasted by addressing the t he wrong problem.



The analyst should know what is occurring in a business, and together with other organisational members, m embers, he should pinpoint the problems.



Opportunities are situations that, according to the t he analyst, can be improved by using computerised information systems.



The analyst must be aware of what the business is trying to











Phase 1 Cont¶d 

The people involved involved in this phase are users, analysts and the systems managers coordinating the project.









PHASE 2 Determining Information









PHASE 2 In this phase, the analyst tries to understand what information the users need to perform their jobs.  Sampling and investigating hard data, interviewing, 









PHASE 3









PHASE 3 

In this phase, the analyst analyses the system needs and also the structured str uctured decisions. decisions. (For ( For these decisions, the conditions, condition alternatives, actions and action rules can be determined).































































The System Development Life Cycle

Recommend Documents