Exploring Human-Computer Interaction

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Questions and Answers

Which of the following best describes HCI?

  • The study of technology used by computer systems
  • The design and development of interactive systems for human use
  • The study of human factors during World War II
  • The interaction between people and computers (correct)

What is the golden principle in HCI?

  • Design should come first
  • Technology should come first
  • Usability should come first
  • People should come first (correct)

What are the three parts of HCI?

  • User, technology, interface (correct)
  • Human, computer, interaction
  • Design, evaluation, implementation
  • Study, user, system

Which of the following best describes the goals of HCI?

<p>To achieve efficient and effective interaction (A)</p>
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What does it mean for a system to be usable?

<p>Easy to use and learn (A)</p>
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Why is usability important for a user-interface?

<p>To make users happy (D)</p>
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True or false: HCI is only concerned with the design of computer systems?

<p>False (B)</p>
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True or false: The study of human factors in HCI started during the First World War?

<p>False (B)</p>
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True or false: Usability was born because of badly designed weapons in war?

<p>True (A)</p>
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True or false: HCI is only about making the interface look pretty.

<p>False (B)</p>
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True or false: HCI is not concerned with understanding the users and their tasks.

<p>False (B)</p>
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True or false: Usability refers to a system that is easy to use, learn, remember, effective, efficient, safe, and enjoyable.

<p>True (A)</p>
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HCI is not only about making the interface look ______

<p>pretty</p>
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HCI is about understanding ______ tasks

<p>users</p>
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A good user-interface can earn a company ______

<p>billions</p>
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HCI is a discipline concerned with the design, evaluation and implementation of interactive systems for ______ use and with study of major phenomena surrounding them.

<p>human</p>
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HCI concentrates on the study of ______ factors.

<p>human</p>
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Usability was born because of badly designed ______ that caused “friendly fire” during war.

<p>arms</p>
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Match the following HCI terms with their definitions:

<p>Human-computer interaction = The study of interaction between people (users) and computers Usability = The extent to which a system, product, or service can be used by specified users to achieve specified goals with effectiveness, efficiency, and satisfaction Interaction = Any direct or indirect communication between a human and computer Human factors = The study of how humans interact with and use technology</p>
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Match the following HCI principles with their descriptions:

<p>People should come first = The golden principle in HCI Easy to use, easy to learn, and with no errors = Describes the design expectations for computer systems Understanding the users and their tasks = A key concern of HCI Study of major phenomena surrounding interactive systems for human use = Part of HCI discipline</p>
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Match the following parts of HCI with their examples:

<p>Human = Could be an individual user or a group of users Computer = Could be any technology ranging from the general desktop computer to a large scale computer system Interaction = Any direct or indirect communication between a human and computer User interface = Where interaction between users and computers occurs</p>
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Match the following HCI goals with their descriptions:

<p>Develop or improve the safety, utility, effectiveness, efficiency and usability of system that include computers = Primary goal of HCI Produce usable and safe systems, as well as functional systems = Secondary goal of HCI Understand how people use technology, Building suitable systems, Achieve efficient, effective, and safe interaction, Put people first = Actions developers must attempt to fulfill the goals of HCI People needs, capabilities and preferences should come first. People should not have to change the way that they use a system. Instead, the system should be designed to match their requirements = Golden principle in HCI</p>
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Match the following statements about usability with their correct interpretations:

<p>A usable system is easy to use, learn, remember how to use, effective to use, efficient to use, safe to use, enjoyable to use = Definition of usability A Good user-interface can: 1. Earn a company billions. 2. Increase users loyalty. 3. Increase users trust. 4. Makes users happy : ) = Benefits of a good user-interface A Bad user-interface can: 1. be annoying, embarrassing, frustrating, and even deadly. 2. Increase mistakes in data entry and system operation. 3. Makes functions become completely inaccessible. 4. System failure because of user rejection = Consequences of a bad user-interface A system is usable if all style guidelines are met = Misconception about usability</p>
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Match the following misconceptions about user interface design with their correct interpretations:

<p>If I (the developer) can use it, everyone can use it = False misconception about user interface design If our non-technical staff can use it, everyone can = False misconception about user interface design Good user interfaces are applied common sense = False misconception about user interface design A system is usable if all style guidelines are met = False misconception about user interface design</p>
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