A systems analyst is an information technology (IT) professional who specializes in analyzing, designing and implementing information systems. Systems analysts assess the suitability of information systems in terms of their intended outcomes and liaise with end users, software vendors and programmers in order to achieve these outcomes.^[1] A systems analyst is a person who uses analysis and design techniques to solve business problems using information technology. Systems analysts may serve as change agents who identify the organizational improvements needed, design systems to implement those changes, and train and motivate others to use the systems.^[2]

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• System analysis in software engineering is, therefore, the activities that comprise software engineering as a process in the production of software. It is the software process. This process has 4.
• Computer systems analysis is a quickly growing job market, and employment is expected to increase much faster than average, specifically 25 percent from 2012-2022, according to a report by the BLS.
• Computer systems analysts study an organization’s current computer systems and find a solution that is more efficient and effective. A bachelor’s degree in a computer or information science field is common, although not always a requirement. Some firms hire analysts with business or liberal arts.
• Gauging how the end-users would operate the system (in terms of general experience in using computer hardware or software), what the system would be used for and so on; Another view outlines a phased approach to the process. This approach breaks system analysis into 5 phases.

Although they may be familiar with a variety of programming languages, operating systems, and computer hardware platforms, they do not normally involve themselves in the actual hardware or software development. They may be responsible for developing cost analysis, design considerations, staff impact amelioration, and implementation timelines.

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A systems analyst is typically confined to an assigned or given system and will often work in conjunction with a business analyst. These roles, although having some overlap, are not the same. A business analyst will evaluate the business need and identify the appropriate solution and, to some degree, design a solution without diving too deep into its technical components, relying instead on a systems analyst to do so. A systems analyst will often evaluate and modify code as well as review scripting.

Some dedicated professionals possess practical knowledge in both areas (business and systems analysis) and manage to successfully combine both of these occupations, effectively blurring the line between business analyst and systems analyst.

Roles[edit]

A systems analyst may:

• Identify, understand and plan for organizational and human impacts of planned systems, and ensure that new technical requirements are properly integrated with existing processes and skill sets.
• Plan a system flow from the ground up.
• Interact with internal users and customers to learn and document requirements that are then used to produce business required documents.
• Write technical requirements from a critical phase.
• Interact with software architect to understand software limitations.
• Help programmers during system development, e.g. provide use cases, flowcharts, UML and BPMN diagrams.
• Document requirements or contribute to user manuals.
• Whenever a development process is conducted, the system analyst is responsible for designing components and providing that information to the developer.

Systems development life cycle[edit]

The systems development life cycle (SDLC) is the traditional system development method that organizations use for large-scale IT Projects. The SDLC is a structured framework that consists of sequential processes by which an information system is developed.

1. System Investigation
2. System Analysis
3. System Design
4. Programming
5. Testing
6. Implementation
7. Operation and Maintenance

Once a development project has the necessary approvals from all participants, the systems analysis stage begins. System analysis is the examination of the business problem that organizations plan to solve with an information system.The main purpose of the systems analysis stage is to gather information about the existing system in order to determine the requirements for an enhanced system or a new system. The end product of this stage, known as the deliverable, is a set of system requirements.

Perhaps the most difficult task in system analysis is identifying the specific requirements that the system must satisfy. These requirements often are called user requirements because users provide them. When the system developers have accumulated the user requirements for the new system, they proceed to the system design stage.

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A computer systems analyst is an occupation in the field of information technology. A computer systems analyst works to solve problems related to computer technology. Many analysts set up new computer systems, both the hardware and software, add new software applications to increase computer productivity. Others act as system developers or system architects, but most analysts specialize in a specific type of system such as business systems, accounting systems, financial systems, or scientific systems.

Industry[edit]

As of 2015, the sectors employing the greatest numbers of computer systems analysts were state government, insurance, computer system design, professional and commercial equipment, and company and enterprise management. The number of jobs in this field is projected to grow from 487,000 as of 2009 to 650,000 by 2016.

This job ranked third best in a 2010 survey,^[3] fifth best in the 2011 survey, 9th best in the 2012 survey and the 10th best in the 2013 survey.^[4]

See also[edit]

References[edit]

1. ^Shelly, Gary B., Cashman, Thomas J., & Vermaat, Misty E. Discovering Computers 2008, Complete. Boston: Thomson Course Technology. ISBN 1 -4239-1205-5
2. ^'Occupational Employment and Wages, May 2015'. bls.gov. Bureau of Labor Statistics. Retrieved 15 April 2016.
3. ^Best and Worst Jobs 2010
4. ^Best and Worst Jobs of 2013

External links[edit]

• Computer Systems Analysts in the Occupational Outlook Handbook from the Bureau of Labor Statistics, a unit of the United States Department of Labor

The Merriam-Webster dictionary defines system analysis as 'the process of studying a procedure or business in order to identify its goals and purposes and create systems and procedures that will achieve them in an efficient way'. Another view sees system analysis as a problem-solving technique that breaks down a system into its component pieces for the purpose of the studying how well those component parts work and interact to accomplish their purpose.^[1]

The field of system analysis relates closely to requirements analysis or to operations research. It is also 'an explicit formal inquiry carried out to help a decision maker identify a better course of action and make a better decision than she might otherwise have made.'^[2]

The terms analysis and synthesis stem from Greek, meaning 'to take apart' and 'to put together,' respectively. These terms are used in many scientific disciplines, from mathematics and logic to economics and psychology, to denote similar investigative procedures. Analysis is defined as 'the procedure by which we break down an intellectual or substantial whole into parts,' while synthesis means 'the procedure by which we combine separate elements or components in order to form a coherent whole.' ^[3] System analysis researchers apply methodology to the systems involved, forming an overall picture.

System analysis is used in every field where something is developed. Analysis can also be a series of components that perform organic functions together, such as system engineering. System engineering is an interdisciplinary field of engineering that focuses on how complex engineering projects should be designed and managed.

Information technology[edit]

The development of a computer-based information system includes a system analysis phase. This helps produce the data model, a precursor to creating or enhancing a database. There are a number of different approaches to system analysis. When a computer-based information system is developed, system analysis (according to the Waterfall model) would constitute the following steps:

• The development of a feasibility study: determining whether a project is economically, socially, technologically and organizationally feasible
• Fact-finding measures, designed to ascertain the requirements of the system's end-users (typically involving interviews, questionnaires, or visual observations of work on the existing system)
• Gauging how the end-users would operate the system (in terms of general experience in using computer hardware or software), what the system would be used for and so on

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Another view outlines a phased approach to the process. This approach breaks system analysis into 5 phases:

• Scope Definition: Clearly defined objectives and requirements necessary to meet a project's requirements as defined by its stakeholders
• Problem analysis: the process of understanding problems and needs and arriving at solutions that meet them
• Requirements analysis: determining the conditions that need to be met
• Logical design: looking at the logical relationship among the objects
• Decision analysis: making a final decision

Use cases are widely used system analysis modeling tools for identifying and expressing the functional requirements of a system. Each use case is a business scenario or event for which the system must provide a defined response. Use cases evolved from object-oriented analysis.

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Policy analysis[edit]

The discipline of what is today known as policy analysis originated from the application of system analysis when it was first instituted by United States Secretary of DefenseRobert McNamara.^[4]

Practitioners[edit]

Practitioners of system analysis are often called up to dissect systems that have grown haphazardly to determine the current components of the system. This was shown during the year 2000 re-engineering effort as business and manufacturing processes were examined as part of the Y2K automation upgrades.^[5] Employment utilizing system analysis include system analyst, business analyst, manufacturing engineer, system architect, enterprise architect, software architect, etc.

While practitioners of system analysis can be called upon to create new systems, they often modify, expand or document existing systems (processes, procedures and methods). Researchers and practitioners rely on system analysis. Activity system analysis has been already applied to various research and practice studies including business management, educational reform, educational technology, etc.

See also[edit]

References[edit]

1. ^System Analysis and Design for the Global Enterprise by Lonnie D. Bentley p.160 7th edition
2. ^SYSTEMS ANALYSIS
3. ^Tom Ritchey, Analysis and Synthesis.
4. ^1936-, Radin, Beryl A. (2000). Beyond Machiavelli : policy analysis comes of age. Washington, D.C.: Georgetown University Press. ISBN0878407731. OCLC41834855.
5. ^Géza HUSI: Mechatronics Control Systems

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Selected publications[edit]

• Bentley, Lonnie D., Kevin C. Dittman, and Jeffrey L. Whitten. System analysis and design methods. (1986, 1997, 2004).
• Hawryszkiewycz, Igor T.Introduction to system analysis and design. Prentice Hall PTR, 1994.
• Whitten, Jeffery L., Lonnie D. Bentley, and Kevin C. Dittman. Fundamentals of system analysis and design methods. (2004).

External links[edit]

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