Human Computer Interaction -unit I

25 Questions | Total Attempts: 173

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Human Computer Interaction -unit I


Questions and Answers
  • 1. 
    Why are people less able to distinguish fine detail in blue?
    • A. 

      There are fewer cones in the center of the retina that are sensitive to blue light.

    • B. 

      There are more cones in the center of the retina that are sensitive to blue light.

    • C. 

      There are fewer cones in the center of the retina that are sensitive to red light.

    • D. 

               There are more cones in the center of the retina that are sensitive to blue light.

  • 2. 
    For a product to be successful, it must be
    • A. 

      Useful by humans

    • B. 

      Usable by humans

    • C. 

      Used by humans

    • D. 

      All of the above

  • 3. 
    ____ derives the logically necessary conclusion from the given premises
    • A. 

      Deductive reasoning

    • B. 

      Inductive reasoning

    • C. 

      Abductive reasoning

    • D. 

      Reasoning

  • 4. 
    ____ is generalizing from cases we have seen to infer information about cases we have not seen.
    • A. 

      Deductive reasoning

    • B. 

      Inductive reasoning

    • C. 

      Abductive reasoning

    • D. 

                  Reasoning

  • 5. 
    ____ is the method we use to derive explanations for the events we observe.
    • A. 

      Deductive reasoning

    • B. 

      Inductive reasoning

    • C. 

      Abductive reasoning

    • D. 

      Reasoning

  • 6. 
    ____ is the process by which we use the knowledge we have to draw conclusions or infer something new about the domain of interest.
    • A. 

      Deductive reasoning

    • B. 

      Inductive reasoning

    • C. 

      Abductive reasoning

    • D. 

                  Reasoning

  • 7. 
    What is a semantic network?
    • A. 

      A model of short-term memory

    • B. 

      A model of long-term memory

    • C. 

      A model of physical memory

    • D. 

               A model of short and long-term memory

  • 8. 
    What does ASCII stand for ?
    • A. 

      American Standard Code for Information Interchange

    • B. 

      American Scientific Code for Information Interchange

    • C. 

      American Scientific Code for Interchanging Information

    • D. 

             American Standard Code for Interchanging Information

  • 9. 
    Over a short period of time, we find it easier to remember the string of numbers "404 894 6743" because: The grouping of the numbers is significant.
    • A. 

      True

    • B. 

      False

  • 10. 
    The DVORAK keyboard differs from the QWERTY keyboard in that:
    • A. 

      The QWERTY keyboard lays out the letters differently to achieve faster typing speeds.

    • B. 

      The DVORAK keyboard lays out the letters differently to achieve faster typing speeds.

  • 11. 
    Statement 1:Speech technology is a small area of commercial interest. Statement 2:Courier is a fixed-pitch font.
    • A. 

      Only Statement 1 is True

    • B. 

      Only Statement 2 is True

    • C. 

      Both statements are True

    • D. 

                 Both statements are False

  • 12. 
    Statement 1:Fitts' Law uses the formula movement time = a + b log2 (distance/size + 1) where a and b are empirically determined constants. Statement 2:Studies of keyboard operators have shown that, although the faster operators were up to twice as fast as the others, the slower ones made 10 times the errors.
    • A. 

      Only Statement 1 is True

    • B. 

      Only Statement 2 is True

    • C. 

      Both statements are True

    • D. 

      Both statements are False

  • 13. 
    Statement 1:Recognition is easier than recall. Statement 2:The main strength of the Problem Space Framework as a model of human problem solving is that it allows ill-defined problems to be solved.
    • A. 

      Only Statement 1 is True

    • B. 

      Only Statement 2 is True

    • C. 

      Both statements are True

    • D. 

                  Both statements are False

  • 14. 
    The isometric joystick:
    • A. 

      Moves the cursor according to how fast the joystick is moved

    • B. 

                 Moves the cursor according to how slow the joystick is moved

  • 15. 
    Statement 1:Humans are limited in their capacity to process information. Statement 2:Users share common capabilities and are individuals with differences, but these differences should be ignored.
    • A. 

      Only Statement 1 is True

    • B. 

      Only Statement 2 is True

    • C. 

      Both statements are True

    • D. 

                  Both statements are False

  • 16. 
    Statement 1:The fovea of the human eye is just behind the cornea. Statement 2:The blind spot of the eye is just under the lens.
    • A. 

      Only Statement 1 is True

    • B. 

      Only Statement 2 is True

    • C. 

      Both statements are True

    • D. 

                  Both statements are False

  • 17. 
    Speed is important for interactive devices: So that the devices can respond appropriately to a user's input.
    • A. 

      True

    • B. 

      False

  • 18. 
    Expert "slips" occur when: A person is skilled at a task, and an element of the task changes.
    • A. 

      True

    • B. 

      False

  • 19. 
    The term human-computer interaction has only been in widespread use since the early
    • A. 

      2000s

    • B. 

      1950s

    • C. 

      1970s

    • D. 

                 1980s

  • 20. 
    The gulf of execution refers to: The user's difficulty in formulating and articulating an intention to the system.
    • A. 

      True

    • B. 

      False

  • 21. 
    Which of the following is a long-term individual difference?
    • A. 

      Weight

    • B. 

      Color

    • C. 

      Sex

    • D. 

                 Height

  • 22. 
    Which of the following are important in the design focus of HCI?
    • A. 

      Thinking of the user

    • B. 

      Testing the HCI

    • C. 

      Involving the users

    • D. 

                 All of the above

  • 23. 
    Statement 1:It is easier to recall information than to recognize it, which is why visible menus are preferable to typed commands. Statement 2:When tracing the history of interactive computing, the windowing concept became popular when humans needed the ability to perform more than one task at a time.
    • A. 

      Only Statement 1 is True

    • B. 

      Only Statement 2 is True

    • C. 

      Both statements are True

    • D. 

                  Both statements are False

  • 24. 
    Which of the following are examples of paradigms for interaction?
    • A. 

      Personal computing

    • B. 

      Hypertext

    • C. 

      Multi-modality

    • D. 

                 All of the above

  • 25. 
    You receive an email message, and a flag immediately appears in your electronic mailbox to indicate that you have a new message. This is an example of:
    • A. 

      Persistence

    • B. 

      Guidance

    • C. 

      Existence

    • D. 

                 None of the above

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