Software Engineering (10th Edition)
10th Edition
ISBN: 9780133943030
Author: Ian Sommerville
Publisher: PEARSON
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Textbook Question
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Chapter 4, Problem 4.1E
Identify and briefly describe four types of requirements that may be defined for a computer- based system.
Expert Solution & Answer
Program Plan Intro
Computer Based System:
Computer based system is a system which consists of all components necessary to capture, process, transfer, store, display, and manage information.
Explanation of Solution
Requirements of computer based system:
System requirements are generally included to communicate the functions that the system should provide. Computer based system must include the following four requirements:
- User Requirements: User requirements are statements in a natural language plus diagrams of the services the system provides and its operational constraints.
- System requirements: System requirements are structured document setting out detailed description of the system’s functions, services and operational constraints. It must define what the system needs to implement and be a part of contract between client and contractor.
- Functional requirements: Functional requirements are statement of services the system should provide and it must state how the system would react to particular input and how the system would behave in particular situations.
- Non-Functional requirements: Non functional requirements are constraints on the services or functions offered by the system. Some of these constraints are timing constraints and constraints on development process and standard and these are applied to a system not individuals.
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Chapter 4 Solutions
Software Engineering (10th Edition)
Ch. 4 - Identify and briefly describe four types of...Ch. 4 - Prob. 4.2ECh. 4 - Prob. 4.3ECh. 4 - Prob. 4.4ECh. 4 - Prob. 4.5ECh. 4 - Suggest how an engineer responsible for drawing up...Ch. 4 - Prob. 4.7ECh. 4 - Prob. 4.8ECh. 4 - When emergency changes have to be made to systems,...Ch. 4 - Prob. 4.10E
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- In what ways do the requirements of a system vary from those of a user, and how do these two sets of demands interact with one another?arrow_forwardWhich of the following is an appropriate component to consider during the design of the system architecture in order to establish a non-stop system?arrow_forwardStatements that relate to emergent system properties such as reliability, response time, or define constraints on the system implementation such as the capabilities of I/O devices or the data representations used in interfaces with other systems are called functional requirements. hardware requirements. user requirements. non-functional requirements.arrow_forward
- Explain the concept of service-level agreements (SLAs) in the context of service-oriented software and their impact on system design.arrow_forwardHow do the requirements of a system vary from those of a user, and what is the relationship between the two?arrow_forwardWhat exactly are the duties involved in maintaining a system?arrow_forward
- What are the key differences between the demands of an individual user and the requirements of a system?arrow_forwardWhat is the difference between the requirements of a user and the requirements of a system?arrow_forwardA system's administrative, organisational, and technical components are what?arrow_forward
- How can you, as a systems analyst, make sure that the basis for a system's architecture is solid?arrow_forwardQuestion # 03: What are the major advantages of the microkernel approach to system design?How do system services and user programs interact in microkernel architecture? Explain withdiagramarrow_forwardIntro to Software Engineering When describing a system, explain why you may have to design the system architecture before the requirements specification is complete...arrow_forward
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