SUBMITTED BY
ZAIN UL Abedin Khan
ROLL NO
2021-UAM-2289
SUBMITTED TO
MAM MARYAM SOHAIL
SUBJECT
ENGINEERING
DEPARTMENT
SEMESTER
SOFTWARE REQUIREMENT
COMUTER SCIENCE
BS-IT (D) 5TH
DATE
MNS UNIVERSITY OF AGRICUTURE MULTAN
Functional Requirements Analysis
a. Reference App(s)
- Twitter
b. Core Features of Twitter
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User authentication and profile management
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Tweeting (posting short messages)
Following/unfollowing other users
Retweeting and liking tweets
Replying to tweets
Direct messaging
Hashtags and mentions
Trending topics and search functionality
c. Functional Requirements for Your App
1. User Authentication and Profile Management
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Users must be able to create accounts, log in, and manage their profiles.
2. Tweeting
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Users can compose and post short messages (tweets).
3. Social Networking Features
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Users can follow/unfollow other users.
4.Interaction with Tweets
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Users can retweet, like, and reply to tweets made by others.
5. Direct Messaging
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Users should be able to send direct messages to other users.
6. Hashtags and Mentions
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Users can use hashtags and mentions in their tweets.
7. Search Functionality
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Users can search for other users, tweets, and trending topics.
d. Clarity in Feature Functionality
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Tweeting involves typing a message and clicking a "Tweet" button.
-Interaction with tweets includes options to retweet, like, and reply, with a simple click
action.
Hashtags and mentions can be added within a tweet, linking to related content.
Direct messaging functions similar to a chat interface.
Non-Functional Requirements Identification
a. Performance, Security, and Usability Aspects of Twitter
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performance: Fast loading times, especially for the feed and interactions.
Security: Secure user authentication, data encryption, and privacy settings.
Usability: Intuitive UI/UX, consistent design elements, and accessibility.
b. Non-Functional Requirements for Your App
1. Performance

Response time for actions like loading feeds and sending messages should be under 1
second.
2. Security
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Data encryption for user credentials, secure storage, and secure communication.
3.Usability
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Adhere to UI/UX design principles, ensuring ease of use and accessibility.
Design and Implementation Constraints:
a. Technology Stack
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Frontend: React Native or Flutter for cross-platform mobile development.
-Backend: Node.js with Express.js, MongoDB for database, and WebSocket for realtime updates.
Hosting: AWS or Azure for scalability.
b. Project Timelin
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Define milestones based on feature complexity and estimate development time for
each. For example:
Milestone 1: User authentication and profile management (2 weeks)
Milestone 2: Tweeting and interaction features (4 weeks)
c. Budgetary Constraints and Resource Availability
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Allocate budget for development, hosting, marketing, and maintenance.
Assess available human resources, considering hiring needs.
d. Third-Party Integrations or API
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Integration with Twitter API for certain functionalities.
Integration with a text analysis API for sentiment analysis of tweets.
e. Hardware and Software Constraints for End-Users
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Minimum device specifications: Android 6.0+/iOS 10+, at least 2GB RAM, and a
modern multi-core processor.