T511 Universal Design Principles

1. Which statement BEST describes Universal Design?

• Requires special tools for each user

• Focuses only on aesthetics

• Only for mobile apps

• Usable by everyone regardless of ability

Answer explanation

Universal Design aims to create products and environments that are accessible and usable by everyone, regardless of their abilities. This makes the correct choice 'Usable by everyone regardless of ability'.

2. Which principle ensures NO user is excluded?

• Flexibility in use

• Equitable use

• Low physical effort

• Perceptible information

Answer explanation

Equitable use ensures that all users have equal access to a product or service, preventing any exclusion. This principle promotes inclusivity, making it the correct choice for ensuring no user is left out.

3. Which principle helps prevent serious mistakes?

• Low physical effort

• Equitable use

• Tolerance for error

• Flexibility

Answer explanation

The principle of 'Tolerance for error' is designed to minimize the consequences of mistakes, allowing for safer and more forgiving designs. This helps prevent serious errors by accommodating human fallibility.

4. A system allows login via fingerprint OR password. This shows:

• Equitable use

• Flexibility in use

• Low effort

• Size and space

Answer explanation

The system's ability to log in using either a fingerprint or a password demonstrates flexibility in use, as it accommodates different user preferences and needs for authentication.

5. A button includes text + icon + sound alert. Which principle?

 

• Perceptible information

• Simple use

• Tolerance for error

• Flexibility

Answer explanation

The button's combination of text, icon, and sound alert ensures that information is conveyed in multiple ways, making it easily perceivable. This aligns with the principle of perceptible information, which enhances user understanding.

6. “Undo delete” button is an example of:

• Flexibility

• Perceptible info

• Tolerance for error

• Low effort

Answer explanation

The 'Undo delete' button allows users to recover from mistakes, demonstrating tolerance for error. It provides a safety net, enabling users to correct actions without permanent consequences.

7. A shopping app allows voice, keyboard, and touch input. What principle is MOST relevant?

• Equitable use

• Simple use

• Size and space

• Flexibility in use

Answer explanation

The shopping app's support for voice, keyboard, and touch input exemplifies 'Flexibility in use', as it accommodates diverse user preferences and abilities, enhancing accessibility.

8. A website requires very precise mouse movement to click buttons. What principle is violated?

• Low physical effort

• Size and space

• Equitable use

• Flexibility

Answer explanation

The principle violated is 'Size and space' because requiring precise mouse movements makes it difficult for users to interact with buttons, indicating that the clickable areas are not adequately sized or spaced.

9. Grab sends ride alerts using sound + vibration + visual popup. This ensures all users can notice it.

 

• Perceptible information

• Flexibility

• Low effort

• Size and space

Answer explanation

The correct choice is 'Perceptible information' because Grab uses sound, vibration, and visual popups to ensure that all users can notice ride alerts, making the information accessible to everyone.

10. Grab allows users to book rides using voice command.

• Equitable use

• Flexibility in use

• Size and space

• Simple use

Answer explanation

The correct choice is 'Flexibility in use' because Grab's voice command feature allows users to book rides in a way that accommodates different preferences and needs, enhancing user experience.