Which of the following processes describes the elements such as quantity, quality, coverage, timelines, and availability, and categorizes the different functions that the system will need to perform i

Question

Options

• AFunctional requirements
• BOperational scenarios
• CHuman factors
• DPerformance requirements

• A
  71% (24)
• B
  9% (3)
• C
  3% (1)
• D
  18% (6)

Explanation

Functional requirements (A) is correct because they define what a system must do - cataloging specific capabilities, constraints like quantity, quality, coverage, timelines, and availability, and organizing the functions needed to fulfill documented mission/business needs. Functional requirements answer "what does the system need to perform?"

Operational scenarios (B) describe specific use-case narratives or sequences of events showing how a system is used in context - they inform requirements but don't categorize system functions. Human factors (C) addresses ergonomics, usability, and human-system interaction design - not system function categorization. Performance requirements (D) are a subset of requirements focused on measurable thresholds (speed, throughput, reliability) - they don't categorize the full range of system functions.

Memory tip: Think "F for Function, F for Functional" - if the question is about what the system does and how it classifies its duties, it's Functional requirements. Performance requirements tell you how well it does something, which is a common trap on this type of question.

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