Week 2 Flashcards
(17 cards)
What are the four main interaction paradigms ?
Command-Line Interface
Graphical user Interfaces
Touch interfaces
Natural user Interfaces
Why are interaction paradigms important in HCI?
They determine how the user interacts with the interface and also affects the convenience, usability and accessibility of the technology.
What are two advantages of using command-line interfaces (CLI)?
Answer:
They are efficient for knowledgeable users, allowing precise automation and control.
They have minimal overhead, requiring fewer resources since no graphics are involved.
What are the main drawbacks of CLI?
They have a steep learning curve, requiring knowledge of commands and syntax.
They are not intuitive, providing only text-based interactions.
In what scenarios are CLIs most useful?
CLIs are ideal for tasks like system management, server configuration, and automation, where advanced control and batch operations are essential.
What makes GUIs user-friendly compared to CLI?
GUIs allow users to interact visually with elements like windows, buttons, and icons, providing immediate feedback and requiring minimal prior knowledge.
What are some limitations of GUIs?
They are resource-intensive, requiring more RAM and computing power.
They may lack advanced control for complex tasks.
Can you provide real-world examples of GUIs?
Examples include web browsers, operating systems like Windows and macOS, and design tools like Photoshop.
What are two key advantages of touch interfaces?
They enable direct interaction with on-screen objects, making them intuitive.
They are portable and enhance the usability of mobile devices.
What challenges are associated with touch interfaces?
Answer:
Precision can be an issue, especially with small elements.
Prolonged use may lead to physical discomfort or fatigue.
Where are touch interfaces commonly used?
Touch interfaces are prevalent in smartphones, tablets, and self-service kiosks in malls, airports, and restaurants.
What makes NUIs unique compared to other paradigms?
NUIs enable interaction using natural human behaviors like voice commands, gestures, and gaze, making them intuitive and hands-free.
What are some drawbacks of NUIs?
They may misinterpret inputs, leading to frustration.
Users may need time to adapt and understand how the system processes commands.
Give examples of technologies that use NUIs.
Virtual assistants like Siri, Alexa, and Google Assistant, and motion-based gaming systems like Microsoft Kinect.
Which interaction paradigm is most suitable for beginners, and why?
GUIs are most suitable for beginners because they provide visual cues and are intuitive, requiring minimal training.
How does the rise of touch interfaces influence app design on mobile devices?
Touch interfaces encourage the development of responsive and user-friendly designs that prioritize simplicity and direct manipulation of on-screen elements.
Which interaction paradigm holds the most potential for future innovation, and why?
NUIs hold the most potential due to their ability to integrate with emerging technologies like AR/VR and AI, making interactions more immersive and intuitive.
