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What is System?
BS Computer Science (BSCS)
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Asynchronous activity 1.
Answer the ff:
- What is a system?
A system is a collection of interconnected or interacting elements that follow a set of rules to form a coherent whole. The limits, structure, and purpose of a system, which is surrounded and influenced by its environment, are described and expressed in its functioning.
What are the components of a system? Hardware, software, databases, networks, and people are the five main components of an information system. Input, process, output, feedback, and control are all handled by these five components. Input/output devices, processors, operating systems, and media devices make up hardware. The term "software" refers to a collection of programs and operations. A database is a collection of data that has been organized into the needed structure. Hubs, communication media, and network devices make up a network. Device operators, network administrators, and system specialists make up the workforce. Input, data processing, data storage, output, and control are all parts of information processing. Data instructions are sent to the systems during the input stage, while software programs and other applications work on them during the process stage. Data is presented in an organized format and reports during the output stage.
What is system analysis and design?
System analysis and design are concerned with the planning of the development of information systems by comprehending and specifying in detail what a system should perform, as well as how the system's components should be implemented and interact.
- Discuss the different phases of system development life cycle.
Users can use the system-development life cycle to turn a newly designed project into an operating one.
The System Development Life Cycle, or "SDLC," is a multistep, iterative process with a logical framework. This procedure is used to model or give a framework for technical and non-technical operations in order to provide a quality system that meets or exceeds a company's expectations or to manage the decision-making process.
The life cycle of systems development used to be divided into seven stages. That number has now risen to seven. System analysts were able to design clearer activities to attain specified goals by increasing the number of stages.
Planning The purpose of this first phase is to find out the scope of the problem and determine solutions. Resources, costs, time, benefits, and other items should be considered here.
Systems Analysis & Requirement The second phase is where teams consider the functional requirements of the project or solution. It’s also where system analysis takes place-or analyzing the needs of the end- users to ensure the new system can meet their expectations.
Systems Design The third phase describes, in detail, the necessary specifications, features, and operations that will satisfy the functional requirements of the proposed system which will be in place
Development The development phase marks the end of the initial section of the process. Additionally, this phase signifies the start of production. The development stage is also characterized by installation and change
Integration & Testing This phase involves systems integration and system testing – normally carried out by a Quality Assurance (QA) professional to determine if the proposed design meets the initial set of business goals
Implementation The sixth phase is when the majority of code for the program is written, and when the project is put into production by moving the data and components from the old system and placing them in the new system via a direct cutover
Operation & Maintenance The last phase is when end-users can fine-tune the system, if they wish, to boost performance, add new capabilities or meet additional user requirements
What is System?
Course: BS Computer Science (BSCS)
University: University of Perpetual Help System DALTA
