Information system model

Information System Model expresses a cardinal conceptual model for the major constituents and activities of information system. In Shriv Commedia Solution Pvt. Ltd information system depends on the resource of people, package, hardware, informations and webs to execute input, processing, end product and storage and control activities that converts information resource into information merchandises.

IS Model of Shriv ComMedia Solutions Pvt. Ltd. Shows that information system consists of 5 major Components:

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  1. Peoples resources
  2. Software resources
  3. Hardware resources
  4. Data resources
  5. Network resources

1. People resources: In SCMS people are necessary for the map of all information system like terminal users, and IS specializers

End users in SCMS: there are many employees in SCMS with sufficient cognition who use to pass most of their clip in pass oning and join forcesing in squads of workgroups and they create, usage and distribute information.

IS specializers in SCMS: there are many IS specializers in SCMS who develop and operate Information System like system analyst, package developers, system operators and managerial, proficient and clerical IS forces.

2. Software resources: it includes all sets of information processing instructions

  • Plan: – a set of direction that causes a computing machine to execute a peculiar undertaking
  • Procedures: – set of instructions used by people to finish a undertaking

Examples of package resource in SCMS

System package: – operating System like Windowss XP/vista/7, Unix, Linux, that controls and supports the operation of a computing machine system.

Application package: – plans that direct processing for a peculiar usage of computing machine by terminal users like MS Visio, Oracle, Macromedia Flash, MS Access etc.

3. Hardware resources: – it includes all the physical stuffs and devices used in information processing.

  • Machines: – all physical devices like Computers, peripherals and telecommunication webs etc.
  • Media: – all touchable objects in which information is recorded

Examples of Hardware resource in SCMS

Computer Systems: – it consists of CPU incorporating microprocessor and assortment of interrelated peripherals like picture card, sound card, modem etc.

Computer Peripherals: – devices like keyboard and mouse for input of informations and talkers, pressman or a picture screen for end product of informations and difficult disc, flash thrusts for storage of informations.

4. Data resource: – informations are row facts and figures typically approximately physical phenomena or concern dealing. Data constitutes a valuable organisational resource. In SCMS data resource of information system are typically organized into

a. Databases: – aggregation of logically related records or files. A database consolidates many records antecedently stored in separate files so that a common pool of informations records serves many applications.

5. Network resource: – it includes the agencies of communicating within the organisation or with the outside universe like cyberspace, intranet by which informations or information can be transferred between the different sections of the organisation. Telecommunication web like cyberspace, intranet and extranet have become indispensable for the organisations. Network resources includes

  • Communication media: – SCMS have communicating media like fibre ocular overseas telegrams, twisted brace wire, coaxal overseas telegram and cellular, microwave and satellite radio systems.
  • Network support: – people, package, hardware and informations resources that straight support the operation and usage of communicating web

In SCMS assorted system development life rhythm theoretical accounts are used depending on the package ‘s demand like:

  • Waterfall Model
  • Prototype Model
  • Iterative Model
  • Coiling Model
  • Agile package Development Model
  • RAD Model

1. Planing Phase: –

  • Undertaking thoughts are collected
  • Prioritize undertaking thoughts
  • Allocate resources
  • Identify the undertaking development squad

2. Analysis Phase: –

  • Gather Customer demands: Following techniques are used by SCMS for roll uping the demands from the clients:
  • Interviews
  • Questionnaires
  • Client Documents
  • Scenarios
  • Rapid Prototypes
  • Select and warrant a undertaking
  • Submit and O.K. the petition for proposal
  • Get the undertaking squad in topographic point
  • Fix the demands paperss
  • Conduct undertaking kickoff meeting
  • Develop Statement of Scope
  • WBS Development:
  • Conduct work break down Structure meeting
  • Build work break down Structure
  • Update WBS in undertaking program
  • Outline undertaking program
  • Assign resources to project program undertakings
  • Create entity relationship diagram
  • Create Data Flow Diagram
  • Define informations lexicon
  • Perform object-oriented analysis

3. Design stage: –

  • Acquire hardware and package needed for the undertaking
  • Design informations theoretical account
  • Write functional specifications
  • Design paradigms
  • Write detailed design specifications
  • Write certification program
  • Write beta trial program
  • Write client support program
  • Write preparation program
  • Write hazard direction program

4. Execution stage: –

  • Development AND Unit Testing of Module ( 1-n )
  • Testing & A ; Integration
  • Software Quality Assurance ( SQA )
  • System trial
  • Path defects
  • Arrested development trial
  • Manage Release and Change
  • Configuration direction
  • New full releases
  • Care releases
  • Installing and proving of new system
  • Install beta trial system
  • Conduct beta trials
  • Path defects and study to client support
  • Gather demands for customizations
  • Implement package
  • Execute client credence trial process
  • Cutover development to production
  • Training
  • Develop preparation specification for terminal users, aid desk support staff
  • Identify preparation bringing methodological analysis i.e. computing machine based, schoolroom
  • Develop preparation stuffs
  • Develop preparation bringing mechanism

5. Support: –

  • Post execution system reappraisal: –
  • Document lessons learned
  • Distribute to team members
  • Create package care squad
  • Identify mistakes and sweetening
  • Monitor the public presentation of system
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