Friday 15 March 2013

P1 outline the principles of systems analysis

Key drivers
Need for Growth
The drivers are need for growth and many businesses need to expand into new markets they develop new products and also increase their turnover and profits for them to do this they have to plan effectively and they often will have to incorporates system analysis.
Need to increase productivity
The sales may have improved but there is also a need to improve capacity, also the activity of the competitors may require that the company their ability to respond
The more employers that are working on the system means that it may slow it down or cause a expansion in terms of physical space of multiple sites
Reduce costs
To reduce the costs they need to be more efficient and improve the turnover ratio especially in times of economic recession
A company may need to makes their systems less labour intensive or costly they can do this by saving money.

Developmental tools
They are things like data flow diagrams and activity diagrams
What are data flow diagrams?
A data flow diagram (DFD) is a graphical representation of the flow of data through an information system
A preliminary step used to create an overview of the system which can be elaborated
What are activity diagrams?
An activity diagram is graphical representation of workflows
They can be used to describe the business and operational step by step workflows of components in a system; an activity diagram shows the overall flow of control in a system

Techniques of systems analysis
How to gather all the information, you could do surveys or interviews in order to collect the information needed surveys are a good source of information but you are unable to expand your questions depending on the persons answer with an interview you can expand on your questions if needed so you gather more information.

34 comments:

  1. Sir could you help me with the rest of the unit ?

    ReplyDelete
  2. This comment has been removed by the author.

    ReplyDelete
  3. NIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIICE

    ReplyDelete
  4. This comment has been removed by the author.

    ReplyDelete
  5. It's a bit too short, there are more key drivers and techniques to talk about. I'm not sure this is enough.

    ReplyDelete
  6. This comment has been removed by the author.

    ReplyDelete