IGCSE ICT Ch 7 SDLC Grade 11

SDLC

The system development life cycle (SDLC)
a project management model that defines the stages involved in bringing a project from inception to completion

" The process is usually run in a loop, so once the evaluation stage has been completed it may start all over again, as a continuous development process." 

Poll

What kind project that you want to make in the future?

• Game

• Data Base

• A.I

• Ecommerce

Analysis, or systems analysis, usually involves a full review of a current system

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Analysis of the current system

Reorder

Reorder the following SDLC Phase

• Analysis

• Design

• Developing

  and testing

• Implementation

• Documentation - Evaluation

1

2

3

4

5

• 1
• 2
• 3
• 4
• 5

feasibility study phase, which determines whether it is viable to proceed with the development of the system.

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Feasibility Study

Interviews can be formal or informal, individual or group, face-to-face or via phone or video conference.

​​Interviews

Observations allow the systems analyst to see how systems are used by studying a stakeholder’s working environment

​​Observations

​A systems analyst may gather information by surveying stakeholders through the use of questionnaires

Questionnaires

Document analysis involves the thorough review of all existing system documentation.

​​Reviewing existing documentation

​

​he systems analyst uses the following techniques to gather information from users and stakeholders in a business or organisation:

​Interviews

​Observations

​Questionnaires

​Reviewing existing documentation

Categorize

Options (4)

questionnaires

Interview

Review Document

observations

If the source more than 100

Quick

Take Time

Depend

Information about the current system that has been gathered by the systems analyst needs to be recorded and then analysed.

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Recording and analysing information about the current system

A diagram of the separate steps of a process in sequential order. Flowcharts are used to describe various steps of a computer or software system.

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Flowcharts

This process will identify the hardware and software required for the new system and justify why particular hardware and software has been recommended..

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System specification