XBIS219 week 6 SDLC checkpoint

XBIS219 week 6 SDLC checkpoint - Brittney Bryson February...

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Brittney Bryson February 11, 2011 XBIS219 Week 6 Checkpoint: SDLC
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System Development Life Cycles are a traditional Systems method that is used for large-scale IT programs. Other methods of SDLC are called the waterfall method and have about 8 tiers that follow below it. They follow similar to the steps of SDLC but may have a few more or few less steps that come with it. With the waterfall approach all steps have to be completed before passing it on to the next stage. This can save money, But if there was a mistake that was passed on it will cost more to fix depending on how far down it was passed before it was noticed. The other problem with following this method is, there isn’t room for changes, and this is because it would take a lot of money to change a spec when it’s in the middle of stages and already being produced. Systems analyst are the IS professionals that specialize with analyzing and designing information systems. Following them are programmers who are the professionals who change and modify existing computer programs or design and create new ones. Technical specialists are experts that are certified in the data and communications. Underneath Technical specialists are the state holders, these are your managers. 1. System Investigators are those who analyze systems data and decide whether to change information. There are the ones that have to figure out what the data means and what is involved underneath of it all. a. Feasibility study has the main objective to analyze the three solutions that best fit a company on how to fix and solve a problem.
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b. Go/No-Go is the decision process and after they decide what there decision is they tell those that need to know what the plan of attack will be. 2. System analysis is a very specific process that they take the previous problems and analyzes what the underlying problem is; they break down the information and find a solution. After examining the information they find a way to fix the problem and make it feasible for the program. This stage allows then to solve
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This note was uploaded on 04/16/2011 for the course XBIS 219 taught by Professor Hann during the Spring '10 term at University of Phoenix.

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XBIS219 week 6 SDLC checkpoint - Brittney Bryson February...

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