C773 User Interface Design

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Free C773 User Interface Design Questions

1.

What is a pattern in HCI design?

  • A problem in design that is difficult to solve

  • An invariant solution to a recurrent problem in a specific context

  • A new design solution that has not been tried before

  • A popular design trend that is currently being used

Explanation

Explanation:

In Human-Computer Interaction (HCI) design, a pattern represents a proven, repeatable solution to a common design problem within a specific context. Patterns are valuable because they provide designers with reliable strategies that have been tested and validated, reducing guesswork and improving usability. They help ensure consistency and efficiency in designing user interfaces.

Correct Answer:

An invariant solution to a recurrent problem in a specific context


2.

How does external memory enhance user experience in interface design?

  • By increasing the amount of information users must remember

  • By providing visual aids that support information retention

  • By eliminating the need for any form of user feedback

  • By complicating the navigation process for users

Explanation

Explanation:

External memory in interface design refers to visual cues, reminders, and on-screen aids—such as icons, progress indicators, and tooltips—that reduce the need for users to rely on their own working memory. These aids help users retain and recall important information during interactions, lowering cognitive load and making the interface more intuitive and efficient.



Correct Answer:

By providing visual aids that support information retention


3.

How do design constraints influence the development of user interface components in a pattern library?

  • They allow for unlimited creativity in design choices

  • They establish guidelines that ensure consistency and usability across components.

  • They eliminate the need for user feedback during the design process.

  • They focus solely on aesthetic appeal without considering functionality

Explanation

Explanation:

Design constraints define boundaries such as color palettes, typography, spacing, and interaction patterns that keep UI components cohesive and functional across a product. By setting these rules within a pattern library, teams can maintain consistency, enhance usability, and speed up development while still allowing for creative solutions within those guidelines.

Correct Answer:

They establish guidelines that ensure consistency and usability across components.


4.

VUI, in the context of our lectures, is the acronym for...

  • Virtual Unit Interface

  • Variant User Interface

  • Voice User Interface

  • Vehicle User Interface

Explanation

Explanation:

VUI stands for Voice User Interface, which allows users to interact with a system through spoken commands and auditory feedback rather than visual or text-based input. Examples include digital assistants like Amazon Alexa, Google Assistant, and Apple’s Siri. VUIs focus on speech recognition and natural language processing to enable hands-free, conversational interactions, making them distinct from graphical or text-based interfaces.

Correct Answer:

Voice User Interface


5.

Consistency is a design principle that emphasizes the importance of uniformity in appearance, placement, and ________ within the user interface to make a system easy to learn and remember.

  • habit

  • accessibility

  • behavior

  • cost

Explanation

Explanation:

Consistency in UI design ensures that similar elements behave in the same way across the interface. By maintaining uniform behavior, along with consistent appearance and placement, users can predict how components will respond, reducing learning time and cognitive effort. This predictability improves usability and helps users form reliable mental models of the system.

Correct Answer:

behavior


6.

Which of the following is NOT a benefit of prototyping?

  • It lets you elicit constructive and helpful feedback during the interface design process

  • it lets you figure out whether any of your design ideas are wrong earlier rather than later.

  • it lets you explore design ideas before locking them in through expensive development investment

  • it lets you deliver the product earlier to your customers

Explanation

Explanation:

Prototyping allows designers to create early models of an interface to test ideas, gather user feedback, and identify design flaws before full-scale development. This process reduces risk, saves costs, and fosters creativity by allowing experimentation. However, prototypes are not intended as final deliverables and do not accelerate the actual delivery of the finished product to customers; instead, they improve the design quality before development begins.

Correct Answer:

it lets you deliver the product earlier to your customers


7.

What is a Command Line Interface (CLI)?

  • The Command Line Interface allows the user to schedule tasks to run at a particular time.

  • The Command Line Interface allows the user to format mass storage devices using a GUI

  • A Command Line Interface allows the user to interact with the OS using typed commands or scripts rather than a GUI

  • The Command Line Interface prevents access to administrative functions without administrative privileges

Explanation

Explanation:

A Command Line Interface (CLI) is a text-based interface where users interact with an operating system or software by typing commands. Unlike a graphical user interface (GUI), it relies on typed input and scripts to execute operations, making it powerful for advanced tasks such as automation and system administration.

Correct Answer:

A Command Line Interface allows the user to interact with the OS using typed commands or scripts rather than a GUI.


8.

Twitter making a 'swooshing' noise when a tweet has been posted by the user is an example of which usability heuristic?

  • Visibility of System Status

  • Match Between System and the Real World

  • Consistency and Standards

  • Flexibility and Efficiency of Use

Explanation

Explanation:

The swooshing sound provides immediate feedback that the system has received and processed the user's action of posting a tweet. This is a classic example of the visibility of system status heuristic, which emphasizes keeping users informed about what is happening through timely and appropriate feedback.

Correct Answer:

Visibility of System Status


9.

Which of the following visual design elements is primarily responsible for conveying information hierarchy in a user interface?

  • Typography

  • Color schemes

  • Imagery

  • White space

Explanation

Explanation:

Typography is the key visual design element for establishing information hierarchy. By varying font size, weight, style, and spacing, designers signal which text elements are most important and how information is structured. Effective typography guides users’ attention, making it easier to scan and understand content without confusion.

Correct Answer:

Typography


10.

What is a graphical user interface?

  • A programming language

  • A hardware component

  • A system software

  • A visual way for users to interact with computers

Explanation

Explanation:

A graphical user interface (GUI) allows users to interact with a computer through visual elements such as windows, icons, menus, and buttons, rather than relying solely on text commands. GUIs make computing more accessible by providing intuitive, visually driven interactions that reduce the need for memorizing command-line instructions.

Correct Answer:

A visual way for users to interact with computers


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