HCI
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What is an important advantage of command-line interfaces over graphical user interfaces?

  • The mental load for the user is low (recall over recognition).
  • The user is not distracted by an abundance of menus, icons, toolbars, etc.
  • They work well for repetitive jobs like payroll processing or billing. (correct)
  • Complex operations can be performed more efficiently, e.g. through command languages.

    • Why should modal dialog boxes be used with care?

  • They are very disruptive and prevent users from continuing their task. (correct)
  • They have high resource requirements on the computer system.
  • They frequently lead to application or system crashes.
  • They are difficult to program because they have to work across applications.

    • Under which circumstances is the use of CAPITAL LETTERS appropriate in screen layout and design?

  • Never, because text in capital letters is more difficult to read.
  • To better distinguish text from the numbers when text and numbers are mixed. (correct)
  • To emphasize important items like field names, titles, or main categories.
  • It should be used as often as possible because it reduces the number of bits required for the representation of characters.

    • Although humans often rely on spoken natural language to communicate with each other, spoken language is not used very heavily in human-computer interfaces. What is an important reason for that?

    <p>Computers would have to understand many different languages and dialects.</p> Signup and view all the answers

    Why have menus become a practically indispensable part of current user interfaces?

    <p>They provide quick access to frequently used commands (recognition over recall).</p> Signup and view all the answers

    Which of the following fields is not an influence on HCI?

    <p>All of the above are an influence on HCI</p> Signup and view all the answers

    In ___________ several keys must be pressed at once in order to enter a single character.

    <p>Chord keyboards</p> Signup and view all the answers

    On my personal computer, I am listening a song with head phone. At same time, I am entering data in MS word It means my system is:

    <p>Multi-model</p> Signup and view all the answers

    There is usually a _________ attached to the top of a window identifying it to the user.

    <p>Title bar</p> Signup and view all the answers

    Input in human is mainly though the ____________ and output through the ________ of the effectors.

    <p>Senses, Motor Control</p> Signup and view all the answers

    There are various types of errors. Norman has categorized them into two main types.

    <p>Mistakes, Slips</p> Signup and view all the answers

    Which of the following is proportional to the amplitude of the sound where the frequency remains constant?

    <p>Loudness</p> Signup and view all the answers

    The eye is a mechanism for receiving light and transforming it into __________ energy.

    <p>Electrical</p> Signup and view all the answers

    WYSIWYG stands for ____________.

    <p>What you see is what you get</p> Signup and view all the answers

    Which of the following is haptic perception?

    <p>Touch</p> Signup and view all the answers

    _____________ are individual and isolated regions within display that can be selected by the user to invoke specific operations.

    <p>Buttons</p> Signup and view all the answers

    The human eye has approximately _________rods and __________cones per eye.

    <p>120 million , 6 million</p> Signup and view all the answers

    What are the three types of reasoning?

    <p>Abdicative, Inductive and Deductive</p> Signup and view all the answers

    Which of the following is not true regarding "cones"?

    <p>More sensitive to light</p> Signup and view all the answers

    Which interface system is based on the question / answer dialogue?

    <p>Query interfaces</p> Signup and view all the answers

    Choice of operations and services are offered on the screen through __________

    <p>Menus</p> Signup and view all the answers

    What will be the gulf of execution if the user is able to formulate and perform the actions easily;

    <p>Smaller</p> Signup and view all the answers

    Form-filling interfaces are used for

    <p>Data entry</p> Signup and view all the answers

    Which of the following is used to toggle between two states?

    <p>Radio buttons</p> Signup and view all the answers

    Which of the following is a text entry device?

    <p>Keyboard</p> Signup and view all the answers

    Mistakes" and "Slips" are two forms of

    <p>Errors</p> Signup and view all the answers

    _________ model is famous for risk analysis.

    <p>Spiral</p> Signup and view all the answers

    Building things from user's perspective is called

    <p>Usability</p> Signup and view all the answers

    Certain factors that help us to interact with graphical based systems

    <p>Direct manipulation</p> Signup and view all the answers

    Which of the following is a long-term individual difference?

    <p>Sex</p> Signup and view all the answers

    ___________refers to how good a system at doing What it is supposed to do?

    <p>Effectiveness</p> Signup and view all the answers

    What is a semantic network?

    <p>A model of long-term memory</p> Signup and view all the answers

    The difference between the intentions and allowable actions is the:

    <p>Gulf of Execution</p> Signup and view all the answers

    The goals of HCI are:

    <p>Usability and User Experience</p> Signup and view all the answers

    Which of the following is the comparison of what happened in the world with what we wanted to happen?

    <p>Evaluation</p> Signup and view all the answers

    ________ Research can tell you about what, how, many and why in rich, multivariate detail.

    <p>Qualitative</p> Signup and view all the answers

    _________ Cognitive process involves encoding and recalling knowledge and acting appropriately

    <p>Memory</p> Signup and view all the answers

    HCI deals with _______________________.

    <p>All of the given choices</p> Signup and view all the answers

    ___________ are dragged down from the title at the top of the screen.

    <p>Pull Down Menus</p> Signup and view all the answers

    Human eye is very sensitive to ______

    <p>Light</p> Signup and view all the answers

    Top of the web page contain the _________

    <p>Title bar</p> Signup and view all the answers

    ____________ are unintentional while _____________ occur through conscious deliberation (respectively).

    <p>Slips, mistakes</p> Signup and view all the answers

    Over a short period of time, we find it easier to remember the string of numbers "404 894 6743" because:

    <p>The grouping of the numbers is significant</p> Signup and view all the answers

    Which of the following requires less cognitive effort than others?

    <p>Listening</p> Signup and view all the answers

    The command line interface is used because:

    <p>It is powerful and flexible</p> Signup and view all the answers

    Which of the following is concerned primarily with understanding human behavior and the mental processes that underlie it?

    <p>Psychology</p> Signup and view all the answers

    ________ plays a role to bridge up the gape between the interfaces of machines and human understanding.

    <p>Human Computer Interaction</p> Signup and view all the answers

    A _________is usually a collection of icons those are reminiscent of the purpose of the various modes.

    <p>Palette</p> Signup and view all the answers

    The Star lifecycle was proposed by ______________.

    <p>Hartson</p> Signup and view all the answers

    What do you enjoy most about your job (or lifestyle) is an example of _________.

    <p>Motivation</p> Signup and view all the answers

    ________ represents the Early-phase of ethnographic interviews.

    <p>Focused on domain knowledge</p> Signup and view all the answers

    Which of the following device can not be useful for a visually impaired person?

    <p>a typical monitor</p> Signup and view all the answers

    The gulf of execution refers to __________.

    <p>The user’s difficulty in formulating and articulating an intention to the system</p> Signup and view all the answers

    Human beings interact with outside world, using their

    <p>All of the given</p> Signup and view all the answers

    __________ refers to the relationship between controls and their effects in the world.

    <p>Mapping</p> Signup and view all the answers

    _________is what goes on in out heads when we carry out our everyday activities?

    <p>Cognition</p> Signup and view all the answers

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

    <p>Reasoning</p> Signup and view all the answers

    Models are used in design to:

    <p>Generate and evaluate the design</p> Signup and view all the answers

    Which are the most significant senses for the average person when it comes to interacting with a computer?

    <p>Sight, hearing and touch</p> Signup and view all the answers

    Ethnography is a method that comes originally from anthropology and literally means

    <p>Writing the culture</p> Signup and view all the answers

    The process of forming general concept definitions from examples of concepts to be learned.

    <p>Induction</p> Signup and view all the answers

    The name of the document should be shown on the application’s ……………...

    <p>Title bar</p> Signup and view all the answers

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