,ICT2621 Assignment 3 (COMPLETE ANSWERS) 2025
- DUE August 2025; 100% TRUSTED Complete,
trusted solutions and explanations.
Question 1
1.1 Briefly explain each of the following factors: Effective,
Reliable, Maintainable (9)
Effective: The system performs all required tasks correctly
and supports users in achieving their goals efficiently.
Reliable: The system operates without failure under
normal conditions, ensuring data accuracy and system
availability.
Maintainable: The system is easy to modify, correct, and
update with minimal disruption to users.
1.2 What is Human-Computer Interaction (HCI)? (3)
HCI is the study and design of how users interact with
computer systems, focusing on improving user experience,
usability, and functionality of interfaces.
1.3 The seven habits of successful interface designers: (7)
1. Understand users and their needs.
2. Maintain consistency across the interface.
3. Use intuitive and clear language.
4. Provide immediate and informative feedback.
, 5. Allow users to easily recover from errors.
6. Design for ease of navigation.
7. Keep the design simple and focused.
1.4 ISO 9241-11 Definition of Usability (2)
Usability is "the extent to which a product can be used by
specified users to achieve specified goals with effectiveness,
efficiency, and satisfaction in a specified context of use."
1.5 List other current output types and technologies (Self-
Assessment)
Voice assistants (e.g., Alexa, Siri)
Haptic feedback devices
VR and AR headsets
3D printing
Wearable displays (e.g., smart glasses)
Smart speakers
Interactive displays and kiosks
Projection-based interfaces
System Testing in Online Retail System (5)
Purpose: To validate that integrated components like
inventory, payment, and delivery modules work as
expected.
- DUE August 2025; 100% TRUSTED Complete,
trusted solutions and explanations.
Question 1
1.1 Briefly explain each of the following factors: Effective,
Reliable, Maintainable (9)
Effective: The system performs all required tasks correctly
and supports users in achieving their goals efficiently.
Reliable: The system operates without failure under
normal conditions, ensuring data accuracy and system
availability.
Maintainable: The system is easy to modify, correct, and
update with minimal disruption to users.
1.2 What is Human-Computer Interaction (HCI)? (3)
HCI is the study and design of how users interact with
computer systems, focusing on improving user experience,
usability, and functionality of interfaces.
1.3 The seven habits of successful interface designers: (7)
1. Understand users and their needs.
2. Maintain consistency across the interface.
3. Use intuitive and clear language.
4. Provide immediate and informative feedback.
, 5. Allow users to easily recover from errors.
6. Design for ease of navigation.
7. Keep the design simple and focused.
1.4 ISO 9241-11 Definition of Usability (2)
Usability is "the extent to which a product can be used by
specified users to achieve specified goals with effectiveness,
efficiency, and satisfaction in a specified context of use."
1.5 List other current output types and technologies (Self-
Assessment)
Voice assistants (e.g., Alexa, Siri)
Haptic feedback devices
VR and AR headsets
3D printing
Wearable displays (e.g., smart glasses)
Smart speakers
Interactive displays and kiosks
Projection-based interfaces
System Testing in Online Retail System (5)
Purpose: To validate that integrated components like
inventory, payment, and delivery modules work as
expected.
