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Within systems engineering, quality attributes are realized non-functional requirements used to evaluate the performance of a system. These are sometimes named architecture characteristics, or "ilities" after the suffix many of the words share. They are usually architecturally significant requirements that require architects' attention. [1]
Software requirements [1] for a system are the description of what the system should do, the service or services that it provides and the constraints on its operation. The IEEE Standard Glossary of Software Engineering Terminology defines a requirement as: [2] A condition or capability needed by a user to solve a problem or achieve an objective
The most common set of requirements defined by any operating system or software application is the physical computer resources, also known as hardware, A hardware requirements list is often accompanied by a hardware compatibility list (HCL), especially in case of operating systems. An HCL lists tested, compatible, and sometimes incompatible ...
This led to a ratio of weighted FTEs per professor (23.18) that was among the highest at McGill University. [citation needed] The MUSIC/SP mainframe operating system was developed and marketed by McGill University. With novel features such as file access control and data compression, it was used worldwide until being discontinued in 2007. [9]
A software requirements specification (SRS) is a description of a software system to be developed.It is modeled after the business requirements specification.The software requirements specification lays out functional and non-functional requirements, and it may include a set of use cases that describe user interactions that the software must provide to the user for perfect interaction.
The MUSIC/SP file system was unique in a number of respects. There was a single system-wide file index. The owner's userid and the file name were hashed to locate the file in this index, so any file on the system could be located with a single I/O operation.
The School of Information Studies (SIS) at McGill University is a school focused on the management and design of information resources, services, and systems to ensure adequate access to information and knowledge for all.
Functional requirements are supported by non-functional requirements (also known as "quality requirements"), which impose constraints on the design or implementation (such as performance requirements, security, or reliability). Generally, functional requirements are expressed in the form "system must do <requirement>," while non-functional ...