System analysis and method designed (MIS class report) Essay

System analysis and method designed (MIS class report) - Essay Example â€Å"In this method each step has definite opening and ending point, with particular deliveries to the subsequently phase† (Als and Greenidge). The image given below shows the details of this model. This project requires less human resource for the overall development of the project. Here through this model we can develop the overall system with a small development team. Because this model works in a sequence and second phase can only be completed after the successful completion of the first phase (Sage, Andrew and & Palmer). â€Å"The Waterfall model is the straightforward and extensively accepted/followed software development model, however like any other software development models; Waterfall model has also its disadvantages. Spiral Model for software development was developed with the purpose of conquering the disadvantages of the Waterfall Model† (Parekh). This software development methodology is composed of iterative nature of the prototyping and systematic aspects of the linear sequential model. This software development methodology provides potential for development of incremental version of the software. Through this software development methodology we can have series of incremental releases of the software system. Its early versions are designed to collect more and better requirements from the client (Pressman). The image given below shows the working of this model: This software development methodology works in small increments and evaluates toward a big and comprehensive system implementation, so this software development methodology usually requires small project development team (Sommerville). This type of software development methodology is usually implemented for the medium to large projects. Mainly this software development methodology is best for the system those are huge, complex, and all requirements are not available at the start of the project (Pressman). The better interaction among

Schizophrenia Article Example | Topics and Well Written Essays - 500 words

Schizophrenia - Article Example Positive Symptoms include delusions and hallucinations because the patient has lost touch with reality in certain important ways. Delusions cause the patient to believe that people are reading their thoughts or plotting against them, that others are secretly monitoring and threatening them, or that they can control other peoples minds. Hallucinations cause people to hear or see things that are not there. Disorganized Symptoms include confused thinking and speech, and behavior that do not make sense. For instance, people with schizophrenia sometimes have trouble communicating in coherent sentences or carrying on conversations with others; move more slowly, repeat rhythmic gestures or make movements such as walking in circles or pacing; and have difficulty making sense of everyday sights, sounds and feelings. Negative Symptoms include emotional flatness or lack of expression, an inability to start and follow through with activities, speech that is brief and lacks content, and a lack of pleasure or interest in life (NAMI, 2006). The older standard (‘Typical’) anti-psychotic drugs, though effective, are associated with a range of distressing side-effects which can result in constant twitching/fidgeting, writhing and disjointed movements. However, newer (‘Atypical’) anti-psychotic drugs are designed to offer control of symptoms and less of these disabling side-effects. National Alliance on Mental Illness (NAMI), , Schizophrenia (2006) 4 December 2006.