a requirement is a statement of what the system must do and how it will be implemented. course hero

by Mattie Mertz III 9 min read

What is the difference between system requirements and user requirements?

~User requirements are statements in a language that is understandable to a user of what services the system should provide and the constraints under which it operates. ~System requirements are more detailed descriptions of the system services and constraint, written for developers of the system.

What is requirement ID and requirement description?

Requirement Id is used in tracking the requirements in the database easily and also in mapping the requirements in code efficiently. It can also be used to provide a reference to requirements while logging defects in bug tracking tools. Requirement description: This attribute is one of the most important attributes that explain the requirement.

What is the difference between shall and should in user requirements?

What is the distinction between the terms 'shall', and 'should', in a user requirements document, which is written in natural language? ~'Shall', normally indicates a mandatory requirement. ~'Should', indicates a desirable but not essential requirement.

What is requirement status attribute?

Requirement status: Requirement status attribute says about the status of a requirement in the requirement management tool i.e. whether it is accepted, on-hold, rejected, or deleted the project. Comments: This attribute provides the Responsible person or requirement manager an option to document any comment about the requirement.

What is a statement of what the system must do and the characteristics the system must have?

A requirement is a statement of what the system must do or characteristics the system must have. The focus is on business user needs and it is conducted during analysis phase.

What is a statement of requirement?

A statement of requirements document is a proposal to an authority, which states a business problem or an opportunity and seeks funding and approval to conduct project identification stage activities.

What is requirement definition process?

The requirements process establishes a description of the capabilities the custom product must provide, the environment in which it must perform, and the functional specification of the system.

What is the purpose of requirements?

In layman's terms, a requirement is directly what is needed to be implemented and what we expect to get. The requirements contain the behavior, attributes, and properties of the future system. Therefore, the main task of the requirements is to ensure that they are understood by all stakeholders.

How do you develop a statement of requirements?

How to Write a Good Statement of WorkIntroduce the project.Define the vision.Set the project requirements.Define the scope.Set the deadline of the project.Allocate key resources.Create the schedule.Specify the terms of payment and due dates.More items...•

What does the statement of requirements protect the developer from?

In addition to protecting you from adverse litigation, the SOR prevents a situation known as "scope creep," or constant changes in the components and deadlines of a completed contract.

What are system processing requirements?

System requirements are the required specifications a device must have in order to use certain hardware or software. For example, a computer may require a specific I/O port to work with a peripheral device. A smartphone may need a specific operating system to run a particular app.

What is a requirements management process?

Requirements Management is the process of gathering, analyzing, verifying, and validating the needs and requirements for the given product or system being developed. Successful requirements management ensures that completed deliverables meet the expectations of the stakeholders.

What exactly is a requirement in software development?

The IEEE Standard Glossary of Software Engineering Terminology defines a requirement as: A condition or capability needed by a user to solve a problem or achieve an objective.

What is requirement and types of requirement?

The requirements, which are commonly considered, are classified into three categories, namely, functional requirements, non-functional requirements, and domain requirements. IEEE defines functional requirements as 'a function that a system or component must be able to perform.

What is need requirement?

In a business context, needs and requirements are two separate entities. The main difference between need and requirement is that needs are goals and objectives a business must achieve, whereas requirements are the things we need to do in order to achieve a need.

What expected requirements?

Expected requirements – These requirements are so obvious that the customer need not explicitly state them. Example – protection from unauthorized access.

What questions are answered during the analysis phase of the SDLC?

During the analysis phase of the SDLC, the questions of WHO will use the system, WHAT the system will do, WHERE and WHEN it will be used are all an...

What goes on during the analysis phase of the SDLC?

During the analysis phase, the project team investigates the current system (as-is system), identifies any room for improvement, and develops a con...

What is a requirement?

A requirement is a statement of what the system must do, or what characteristics it needs to have.

What is requirements determination, and why is it important?

Requirements determination is the process of transforming the system request's high-level statement of business requirements into more detailed, pr...

What are the five main categories of requirements?

The main categories of requirements are: - Business requirements (what the business needs) - User requirements (what the users need to do) - Functi...

What is the difference between a functional and a non-functional requirement?

The difference between a functional and a non-functional requirement is that a functional requirement is about a something the system must be able...

What is a lesser-recognized aspect of requirements determination?

A lesser-recognized aspect of requirements determination is that of building political support and establishing trust.

What are the five commonly-used requirement-gathering techniques?

The five commonly-used requirement-gathering techniques are: - Interviews - JAD Sessions - Questionnaires - Document Analysis - Observation

How does the interview process work as far as requirements-gathering?

The interview, which is by far the most common requirements-gathering technique, goes through several common steps: - Select Interviewees (key stak...

Why is it important to determine the requirements of a new system?

It is important, because these requirements are what ensures that the new system will actually provide the expected value to the business.

What is the lesser known aspect of requirements determination?

A lesser-recognized aspect of requirements determination is that of building political support and establishing trust.

What is the difference between functional and non-functional requirements?

The difference between a functional and a non-functional requirement is that a functional requirement is about a something the system must be able to do, a non-functional requirement is about an attribute or capability the system must have.

What is product requirement?

Product requirements: (reg.) Organizational requirements: are general requirements derived from policies and procedures in the customer's organization. External requirements: which cover all requirements derived from factors external to the system and its development process.

What is a use case?

A use-case identifies a typical interaction with a system and the actors (human or computer) involved in that interaction.

When to use "explanation"?

Used whenever the interviewer is not satisfied with his/her understanding of the interviewee's answer , and needs more explanation before moving on to another topic.

What is the purpose of a proposal summary?

Its purpose is to allow a busy executive to quickly read through it and determine which parts of the proposal he or she needs to go through more thoroughly

What is the object type of a requirement document?

Object type: This attribute explains which section of the requirement document is part of this attribute. They could be Heading, Explanation, Requirement, etc. Mostly “Requirement” section is considered for the implementation and testing while heading and explanation sections are used as supporting descriptions for requirements for better understanding.

What is functional requirement?

Functional requirements define what a software system should do. It defines a function of a software system or its module. Functionality is measured as a set of inputs to the system under test to the output from the system.

How is maintainability measured?

Maintainability is often measured at code level using Cyclomatic complexity. Cyclomatic complexity says that the lesser complex the code is, the easier it is to maintain the software.

What is functional requirement in online banking system?

Functional requirement in this online banking system could be, “When user provide the date range in transaction query, this input is used by Server and the webpage is provided with the necessary cash transaction data”.

Why are non functional requirements called "ilities"?

Wikipedia calls the non-functional requirement as ‘ilities’ sometimes, due to the presence of various quality attributes like portability and stability.

Where is functional requirement implementation?

Functional requirement implementation in a system is planned in the System Design phase whereas, in case of Non-functional requirements, it is planned in the System Architecture document. The functional requirement supports generating the non-functional requirements. What You Will Learn: [ hide]

Can functional requirements exist without a functional requirement?

Functional requirements can exist without a non-functional requirement. Non-functional requirements cannot exist without functional requirement. 9. A functional requirement gives concrete information about a feature, Example, Profile photo on Facebook should be visible on login.