Computer Based System
  • The computer-based system consists of all components necessary to capture, process, transfer, store, display, and manage information.
  • Components include software, processors, networks, buses, firmware, application-specific
    integrated circuits, storage devices, and humans.
  • integrated circuits, storage devices, and humans.
  • we define a computer-based system as A set or arrangement of elements that are organized to
    accomplish some accomplish some predefined goal by processing information.
Requirements Engineering Process
  • Requirement Engineering is the process of defining, documenting and maintaining the requirements.
  • It is a process of gathering and defining service provided by the system.

Requirements Engineering Process consists of the following main activities:
  • Requirements elicitation
  • Requirements specification
  • Requirements verification and validation
  • Requirements management
System Modeling 
  • System Modeling  is the process of developing abstract models of a system with model presenting a different view or perspective of that system.
To construct a model, the engineers should consider a number of restraining factors
  • Assumptions
  • Simplifications
  • Limitations
  • Constraints
  • Preferences
Requirement Engineering
  • The requirements themselves are the description of the system services and constraints that are generated during the requirement engineering process. The process of establishing the services that the customer requires from a system and the constraints under which it operates and is developed.
Types of requirement
  • Types of requirement
  • System requirements
  • Functional requirements
  • Non-functional requirements
  • Domain requirements
System & Requirement Engineering



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