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WorksheetsLecture 03 - IT 2900SEF
Total questions: 10
Worksheet time: 5mins
What is a User Interface (UI)?
A place to store data
A device's back-end structure
A system for processing data
A way for users to interact with a device or app
What does a Graphical User Interface (GUI) use?
Only text commands
Only voice commands
Pictures, icons, and windows
Only a keyboard
In the DOM, what does every HTML element become?
A method
An event
A property
A node
Which method is used to select an element by its ID?
querySelectorAll()
getElementById()
getElementsByTagName()
createElement()
How does high cognitive load affect user performance?
It improves the speed of task completion
It can slow down the user and increase errors
It makes tasks easier to remember
It reduces the need for user interaction
What is one disadvantage of direct manipulation interfaces?
They are difficult for novice users to understand
They can be slow for repetitive tasks
They lack visual feedback
They do not allow users to observe immediate results
What is the main benefit of providing informative feedback in a user interface?
It allows users to redo actions multiple times
It increases the complexity of the interface
It reassures users that the system is responding to their input
It removes the need for undo and redo functions
Which of the following best describes the importance of consistency in UI design?
It helps make the interface more colorful and visually appealing
It allows designers to frequently change the interface for variety
It removes the need for user feedback
It ensures users can rely on familiar elements, reducing confusion
What does "mobile-first" mean in Bootstrap?
Websites should only work on mobile devices
The design is initially optimized for mobile devices and scales up
Websites should load only on desktops
It disables responsiveness for mobile devices
If you want a column to take up half of the screen on large devices, which class should you use?
.col-lg-6
.col-sm-4
.col-md-3
.col-xl-2
