Hardware peripherals are auxiliary devices connected to a computer to expand its capabilities. Applications connect to these peripherals via protocols specific to that hardware.

Table of Contents

• FUNCTIONAL ANALYSIS
  • UC-1: Function Feature
• NOTES
  • References

FUNCTIONAL ANALYSIS

Further Refined Use Case Model

UC-1: Function Feature

IF Describing via EARS Function Requirements Format:

• Ubiquitous (Always Active): The shall (e.g., The mobile phone shall have a mass of less than 150 grams
• State-Driven (Active During a State): While , the shall (e.g., While the vehicle is in reverse, the system shall display the rear camera feed)
• Event-Driven (Triggered by an Event): When , the shall (e.g., When the user presses the power button, the device shall turn on)
• Optional Features: Where , the shall (e.g., Where the navigation package is installed, the system shall display the map)
• Unwanted Behavior: If , then the shall (e.g., If the password is entered incorrectly three times, then the system shall lock the account)

NOTES

References