1. Who coined the term “Human–Computer Interaction”?
(A) Douglas Engelbart
(B) Stuart Card
(C) Alan Turing
(D) John M. Carroll
2. Which device is considered the primary input device for most HCI systems?
(A) Keyboard
(B) Scanner
(C) Joystick
(D) Projector
3. Which of the following is a direct manipulation interface?
(A) Command-line interface
(B) Graphical user interface
(C) Script-based interface
(D) Menu-driven interface
4. Which pointing device uses a ball to detect movement?
(A) Optical mouse
(B) Trackball
(C) Touchpad
(D) Joystick
5. Which law in HCI relates the time required to move to a target area to the distance and size of the target?
(A) Hick’s Law
(B) Fitts’ Law
(C) Miller’s Law
(D) Keystroke Level Model
6. Which type of feedback is essential in HCI to confirm user actions?
(A) Visual feedback
(B) Audio feedback
(C) Haptic feedback
(D) All of the above
7. Which of the following is an example of a natural user interface?
(A) Command-line interface
(B) Touchscreen gestures
(C) Function keys
(D) Menu navigation
8. What does GUI stand for in HCI?
(A) Graphical User Interaction
(B) Graphical User Interface
(C) General User Interface
(D) Graphical Utility Interaction
9. Which of the following is a usability principle?
(A) Efficiency
(B) Learnability
(C) Satisfaction
(D) All of the above
10. Which input device is commonly used in virtual reality systems?
(A) Joystick
(B) VR gloves
(C) Barcode reader
(D) Light pen
11. Which color combination is most effective for readability in HCI design?
(A) Red on blue
(B) White on black
(C) Yellow on green
(D) Blue on red
12. Which is a primary goal of HCI?
(A) Reduce hardware cost
(B) Improve user performance
(C) Replace software development
(D) Increase CPU speed
13. Which HCI evaluation method involves real users performing tasks?
(A) Heuristic evaluation
(B) Cognitive walkthrough
(C) Usability testing
(D) GOMS analysis
14. Which interaction style uses a series of on-screen lists to navigate?
(A) Command language
(B) Form-fills
(C) Menu selection
(D) Direct manipulation
15. Which of the following is a qualitative data collection method in HCI?
(A) Questionnaires
(B) Interviews
(C) Eye-tracking
(D) Keystroke logging
16. Which HCI model represents the user, task, and system as three interacting components?
(A) GOMS
(B) Three-Stage Model
(C) Norman’s Model
(D) Interaction Framework
17. What is the primary advantage of a touch screen interface?
(A) Low cost
(B) Direct interaction with objects
(C) More storage
(D) Faster processing
18. Which sensory channel is most used in HCI?
(A) Visual
(B) Auditory
(C) Tactile
(D) Olfactory
19. Which is an example of a multimodal interface?
(A) Voice commands only
(B) Touchscreen only
(C) Voice plus gesture
(D) Keyboard only
20. Which of the following is an input device for physically challenged users?
(A) Braille keyboard
(B) Standard mouse
(C) Barcode scanner
(D) Touchpad
21. Which HCI law states that decision time increases with the number of choices?
(A) Fitts’ Law
(B) Hick’s Law
(C) Murphy’s Law
(D) Miller’s Law
22. Which display technology is most common in modern HCI systems?
(A) CRT
(B) LCD
(C) Plasma
(D) LED
23. Which interface type uses natural language to communicate with the user?
(A) GUI
(B) Command-line interface
(C) Natural language interface
(D) Menu interface
24. Which usability factor focuses on how easy it is to learn a system?
(A) Efficiency
(B) Learnability
(C) Memorability
(D) Satisfaction
25. Which device is often used for pointing in CAD applications?
(A) Mouse
(B) Graphics tablet
(C) Joystick
(D) Touchpad
26. Which of the following is a type of haptic feedback device?
(A) Force-feedback joystick
(B) Optical mouse
(C) Barcode reader
(D) Microphone
27. Which is an advantage of voice recognition in HCI?
(A) Works in noisy environments
(B) Allows hands-free operation
(C) Requires less memory
(D) Is faster than typing in all cases
28. Which principle suggests grouping related functions together in interface design?
(A) Consistency
(B) Affordance
(C) Proximity
(D) Visibility
29. Which evaluation method does not involve actual users?
(A) Usability testing
(B) Heuristic evaluation
(C) Field study
(D) Think-aloud protocol
30. Which is the best example of an immersive interface?
(A) Desktop GUI
(B) Virtual reality headset
(C) Command prompt
(D) ATM interface
31. Which HCI design principle ensures users can predict the outcome of their actions?
(A) Feedback
(B) Consistency
(C) Predictability
(D) Learnability
32. Which is the least preferred color combination for text and background?
(A) Black text on white background
(B) White text on black background
(C) Red text on green background
(D) Yellow text on blue background
33. Which is an example of an assistive technology?
(A) Screen reader
(B) Printer
(C) Scanner
(D) Webcam
34. Which factor affects the performance of a touch interface?
(A) Screen resolution
(B) Touch sensitivity
(C) Lighting conditions
(D) All of the above
35. Which interaction style requires memorization of commands?
(A) Command-line interface
(B) Menu selection
(C) Direct manipulation
(D) Form-fills
36. Which input device detects pen or stylus pressure?
(A) Optical mouse
(B) Graphics tablet
(C) Light pen
(D) Trackball
37. Which interface style uses icons to represent functions?
(A) Command language
(B) Menu interface
(C) Graphical user interface
(D) Form-fill interface
38. Which usability goal focuses on the speed of task completion?
(A) Efficiency
(B) Learnability
(C) Memorability
(D) Error tolerance
39. Which of the following is a common cause of usability problems?
(A) Inconsistent design
(B) Clear feedback
(C) Adequate training
(D) Appropriate metaphors
40. Which device is used to track eye movement in usability studies?
(A) Eye-tracker
(B) Webcam
(C) Optical mouse
(D) Kinect sensor
41. Which model describes user interaction in terms of goals, operators, methods, and selection rules?
(A) GOMS model
(B) Norman’s model
(C) Three-Stage model
(D) Interaction framework
42. Which is a disadvantage of a touch interface?
(A) Direct manipulation
(B) Lack of tactile feedback
(C) Easy to use
(D) Portable
43. Which is an example of indirect manipulation in HCI?
(A) Dragging an icon
(B) Using arrow keys to move a cursor
(C) Pinch-to-zoom gesture
(D) Touching a screen button
44. Which factor is important for designing accessible interfaces?
(A) Color contrast
(B) Text size
(C) Alternative text for images
(D) All of the above
45. Which is an example of tangible user interfaces?
(A) Mouse
(B) Keyboard
(C) Physical objects representing digital data
(D) Joystick
46. Which HCI law relates to human memory capacity being limited to about 7±2 items?
(A) Fitts’ Law
(B) Hick’s Law
(C) Miller’s Law
(D) Norman’s Law
47. Which device is designed for gesture recognition?
(A) Kinect
(B) Barcode scanner
(C) Printer
(D) Projector
48. Which interface is most suitable for complex commands requiring precision?
(A) Command-line interface
(B) Touch interface
(C) Voice interface
(D) Gesture interface
49. Which is an example of a wearable interface device?
(A) VR headset
(B) Smartwatch
(C) AR glasses
(D) All of the above
50. Which term in HCI refers to the system’s ability to recover from user errors?
(A) Flexibility
(B) Error tolerance
(C) Consistency
(D) Learnability
