4. SRS (2/3)
• NON-FUNCTIONAL REQUIREMENTS:
• PERFORMANCE:
• SHOULD BE INSTANT WHILE TEXTING
• AVOID MOST OF THE SPAM
• USABILITY:
• THE APP WILL BE EASY TO USE, UNDERSTANDABLE AND USER-FRIENDLY.
• RESPONSIVENESS:
• THE APP WILL BE RESPONSIVE TO THE USER INPUT OR THE ARRIVING OF MESSAGE FROM
ANOTHER DEVICE