CSCI 444

Novices may perform better with somewhat slower system response times. Select one: True False

True

Social networks, newsfeeds, and alerts have become part of our daily lives. Designers need to consider the downsides and negative exigencies of such systems. Select one: True False

True

Speech production is usually successful when the messages are simple and short; and users' visual channels are overloaded. Select one: True False

True

For synchronous exchanges of messages among a stable set of participants, which is the preferred interface? Select one: a. Text-based chat. b. 3D graphical avatars. c. Voice chat d. Video chat

a. Text-based chat.

Which of the following is a valid way to increase the reliability of speech recognition? Select one: a. Use the system only in a quiet environment. b. All of the above. c. Have a user train a system by reading out loud examples of text. d. Wear a head-mounted microphone to speak into the system.

b. All of the above.

Which of the following structures is it easier for a user to develop a mental model of? Select one: a. Acyclic menu network. b. Cyclic menu network. c. Tree structure.

c. Tree structure.

Design is inherently creative and unpredictable, regardless of discipline. Select one: True False

true

What is the correct order of the four-phase iterative design process:

Phase 1: requirements analysis Phase 2: preliminary and detailed design Phase 3: build and implementation Phase 4: evaluation

When projects are not well defined, designers can find it useful to develop scenarios based on what happens when the user performs typical tasks in a workday. By writing these scenarios of usage, it provides an easy way to describe a system to even non-technical people involved in the project. Select one: True False`

TRUE

By providing visibility of the objects and actions of interest, allowing reversibility of commands, and replacing typed commands with pointing actions, users generally react positively and enthusiastic about the interface. Select one: True False

True

If a system has a lengthy (longer than 15-second) response time, the system would, in general, be: Select one: a. Detrimental to productivity, increase error rates and decrease user satisfaction. b. Preferred by users, increase productivity. c. Provide no additional benefit or harm.

a. Detrimental to productivity, increase error rates and decrease user satisfaction.

Which of the following is true of menus? Select one: a. During input, they offer cues to elicit recognition. b. They force users to recall the syntax of a command from memory. c. Gray the item out. d. Grouping and sequence of menu items that needs to be optimized

a. During input, they offer cues to elicit recognition.

Oliver is an expert stockbrocker and needs access to large amounts of information to monitor the rising and falling stock prices each day. Which of the following display designs would best help his performance? Select one: a. Fewer displays with denser information b. More displays with sparser information

a. Fewer displays with denser information

Which of the following are examples of Direct Manipulation? (Select ALL that apply) Select one or more: a. Operating an industrial robot in a warehouse with a pointing device b. Controlling a video-game character on-screen with a game controller c. Finding out the contents of a file directory by typing 'ls' d. Typing SHIFT-F7 to load a thesaurus e. Dragging a file to a trashcan (recycle bin) icon

a. Operating an industrial robot in a warehouse with a pointing device b. Controlling a video-game character on-screen with a game controller e. Dragging a file to a trashcan (recycle bin) icon

The discussion of Quality of Service in the text focuses on three basic human values that should be met. Which of the following is not the one of those basic human values: Select one: a. Save the user money. b. Time is precious. c. Avoid harmful mistakes. d. Reduce user frustration.

a. Save the user money.

Which of the following scenarios has been proven to be a successful use of voice recognition? Select one: a. Switching between tools with a voice command instead of selection in a palette. b. Dictating a lengthy written manuscript as input for a word processor. c. Controlling the mouse cursor by speaking directional information.

a. Switching between tools with a voice command instead of selection in a palette.

Which of the following scenarios has been proven to be a successful use of voice recognition? Select one: a. Switching between tools with a voice command instead of selection in a palette. b. Controlling the mouse cursor by speaking directional information. c. Dictating a length written manuscript as input for a word processor.

a. Switching between tools with a voice command instead of selection in a palette.

Suppose you are in charge of designing an interface that will allow business employees to vote and comment on certain issues. You decide to build an asynchronous online conferencing tool. Select ALL of the answer choices below that capture the advantages of building a tool in this form. Select one: a. There is 24-hour availability, so participants can participate when it is convenient for them. b. The conference leader will get immediate feedback from everyone when the issue becomes public online. c. Participants cannot phrase their contributions carefully, without pressure to make an immediate comment. d. Conference leaders can gauge how the participants react by watching their faces via videoconferencing.

a. There is 24-hour availability, so participants can participate when it is convenient for them.

What is the central goal of acceptance testing? Select one: a. Verify adherence to the requirements set forth. b. Detect flaws in the interface. c. Determine "user-friendliness" of the interface.

a. Verify adherence to the requirements set forth.

In order to process information and problem solve, what do people use in conjunction with short-term memory? Select one: a. Working memory. b. Long-term memory. c. Motor functions. d. Cognitive model.

a. Working memory.

Suppose a doctor has an electronic medical device in his office that is able to analyze the blood pressure level of his patients automatically. Which of the following techniques would provide the most useful report for his patient? Select one: a. A printout containing simply the number of the patient's current level of blood pressure. b. A report created by natural-language text generation. c. A colorful graphic of a blood pressure gauge, which the level of the current blood pressure highlighted in red. [NOT THE ANSWER]

b. A report created by natural-language text generation.

Suppose you are designing a menu to list songs on an MP3 player that has a capacity to hold a thousand songs. Which of the following ways should you organize the songs to lead to shorter response times by the user? Select one: a. Alphabetical. b. Categorized by artist. c. Categorized by file size. d. Random.

b. Categorized by artist.

Simulating the day in the life of the user should be a part of the expert-review process. Which of the following methods fulfills this goal? Select one: a. Heuristic evaluation. b. Cognitive walkthrough. c. Formal usability inspection. d. Consistency inspection.

b. Cognitive walkthrough.

When a user successfully completes a task, the computer should: Select one: a. Complement the user on its actions. b. Provide comprehensible feedback so users can move forward.

b. Provide comprehensible feedback so users can move forward.

When do users prefer NOT to work more quickly/prefer more rapid action? Select one: a. When there is little penalty for error. b. When the task is familiar. c. If they have experienced rapid performance previously on the same task. d. When there is need to integrate information from several sources.

d. When there is need to integrate information from several sources.

Identify the item below that is NOT a display characteristic: Select one: a. Resolution (the number of pixels available) b. Cost c. Luminance, contrast, and glare d. Reliability e. Physical dimensions (usually diagonal dimension and depth) f. Refresh rates (sufficient to allow animation and video) g. Power consumption h. Number of available colors and color correctness i. Speed (centimeters per minute)

i. Speed (centimeters per minute)

As the cognitive complexity of a task increases, a short-response time will cause error rates to increase as well. Select one: True False`

true

Legal issues may surface such as privacy, freedom of speech or copyright when dealing with user interface-intensive system design. Select one: True False

true

Please select the correct order for the four distinct phases of the iterative design process: Select one: a. 1) Preliminary & Detailed design; 2) Implementation; 3) Evaluation; 4) Requirements analysis b. 1) Requirements analysis; 2) Evaluation; 3) Preliminary & Detailed design; 4) Implementation c. 1) Requirements analysis; 2) Preliminary & Detailed design; 3) Implementation; 4) Evaluation d. 1) Evaluation; 2) Requirements analysis; 3) Preliminary & Detailed design; 4) Implementation

. 1) Requirements analysis; 2) Preliminary & Detailed design; 3) Implementation; 4) Evaluation

Match the following extensions of direct manipulation with the statement that describes each term best. 1. Gives users physical objects to manipulate in order to interact with the interface a. Augmented Reality b. Tangible User Interfaces c. Virtual Reality Puts users in an immersive environment in which normal surroundings are blocked out by a head-mounted display that presents artificial worlds a. Augmented Reality b. Tangible User Interfaces c. Virtual Reality Keeps users in the normal surroundings and adds a transparent overlay with additional information a. Augmented Reality b. Tangible User Interfaces c. Virtual Reality

1. b. Tangible User Interfaces 2. c. virtual Reality 3. a. Augmented Reality

According to our text, which major company was one of the first to have a CDO: Select one: a. IBM b. Apple c. Facebook d. Microsoft

Apple

Which of the following early system used principles of direct manipulation? Select one: a. Xerox Sun b. Apple Lisa c. MS-DOS d. Hypermedia e. Emacs

Apple Lisa

Animated characters in user interfaces tend to reduce anxiety and increase productivity for user tasks. Select one: True False

False

Communication from computer-to-user should emulate human-to-human conversation, as it will make the user feel more comfortable. Select one: True False

False

Dialog-box design is inherently different than menu-selection or form fill-in design due to the fact that it interrupts users to select options or perform limited data entry. True False

False

Once a designer gains enough experience, it is wasteful of time and resources to evaluate their creations thoroughly. Select one: True False

False

Pointing devices are always faster than a keyboard control for the same operation. Select one: True False

False

Since design is inherently creative and unpredictable, there are no methods available to guide a designer. Select one: True False

False

Taking a presentation and adding technology to it will only enhance the presentation. Select one: True False

False

The principles of direct manipulation are not helpful to designers of virtual environments since those environments break the physical limitations of space. Select one: True False

False

There has been little progress with regard to input-output devices since computers first became widely available in the 1960s. Select one: True False

False

Unix is a successful operating system because its command language uses obvious naming strategies for its various commands. Select one: True False

False

Users will subjectively prefer display layouts that optimize their search time on that display. Select one: True False

False

When menus vary their sequence of items adaptively to reflect pattern of use (i.e. moving the most frequently selected objects towards the top), users generally prefer this method. Select one: True False

False

Compare and contrast Functional and Non-functional requirements:

Functional requirements define specified behaviors and WHAT the system should or should not do. The non-functional requirements cover the overall operation and defines HOW the system should work.

If a user interface for a system causes fatal errors and is demonstrated to be difficult to understand, the designers and developers would be open to a lawsuit alleging improper design. Select one: True False

TRUE

Interference from noisy environments and poor-quality microphones are obstacles to speech recognition. Select one: True False

True

Responsive design is where a typical desktop or laptop monitor display is automatically adapted to the small display space of a tablet and a Smartphone. Select one: True False

True

Social impact analysis may address concerns or potential barriers to a successful user interface implementation. Select one: True False

True

Go through the video, https://youtu.be/Pgo65s1R6TMAccording to the speaker in the videoHow many times an average user use smartphone a day Select one: a. 110 times a day b. 10 times a day c. 50 times a day d. 40 times a day

a. 110 times a day

Collaboration design considerations include: Select one: a. All of the above b. Collective Factors (e.g. moderation, e.g. policies) c. Cognitive Factors (e.g. interruptions, e.g. social cues) d. Individual Factors (e.g. privacy , e.g. identity)

a. All of the above

Why can designing a system for cooperation be a challenge? Select one: a. Balancing the subtle questions of trust, etiquette, deceit and potentially abusive behavior. b. People generally do not want to cooperate, as they find it unsatisfying and unproductive. c. There hasn't been any research done on cooperation due to the multiplicity of users.

a. Balancing the subtle questions of trust, etiquette, deceit and potentially abusive behavior.

Suppose you are creating a tree-structured menu to handle the grouping of over ten thousand objects. You will need to decide how many levels will exist in the tree and then how many items will exist per level. In order to deal with this depth-breadth trade-off, which one is preferred? Select one: a. Breadth (more items per level, but less levels). b. Depth (less items per level, but more levels).

a. Breadth (more items per level, but less levels).

Some designers believe that 3D interfaces will make it easier for users to learn because it more closely mimics the real world. Think about the following list of tasks and decide if 3D representations are helpful, and if so, select ALL that apply. Select one or more: a. Computer-assisted design (CAD) b. Digital libraries c. Chemical structure modeling d. Medical Imagery e. File directories

a. Computer-assisted design (CAD) c. Chemical structure modeling d. Medical Imagery

Errors often occur due a lack of knowledge, incorrect understanding of the system, or an unintentional slip. These conditions will likely make the users confused or anxious. What does this suggest about how errors should be presented to users? Select one: a. Error messages should be carefully worded and offer constructive guidance. b. Errors shouldn't be displayed to the user, as they will just contribute to their confusion. c. The error message should be very brief and refer to a section in the user manual where the user can read more about the problem.

a. Error messages should be carefully worded and offer constructive guidance.

Controlled experiments and usability tests are two different ways to test the effectiveness of a user interface. The following list of choices are properties of testing methods. Choose from below properties that are true of usability tests (Select ALL that apply): Select one or more: a. Outcome is a report with recommended changes. b. Designed to find flaws in user interfaces rapidly. c. Provides validation or rejection of hypotheses d. Have at least two treatments and seek to show statistically significant differences.

a. Outcome is a report with recommended changes. b. Designed to find flaws in user interfaces rapidly.

If a physical process is controlled from a remote location, it is referred to as teleoperation. What is a primary difference between traditional direct manipulation interfaces and teleoperation? Select one: a. Remote controlled processes may have slower response, incomplete feedback or more likelihood to breakdown. b. Teleoperation involves physical actions and presses of labeled buttons, whereas direct manipulation involves complex syntax. c. Reversible actions are not needed in traditional direct manipulation interfaces since the actions are local and therefore mistakes are less likely to occur.

a. Remote controlled processes may have slower response, incomplete feedback or more likelihood to breakdown.

What is the primary difference between a command language and a menu-selection system? Select one: a. Command-language users view or hear the limited set of item and respond. b. Command-language users must recall notation and initiate the action. c. Command-language satisfy the human needs for communication d. All of the above

b. Command-language users must recall notation and initiate the action.

For certain tasks, users can adapt to slow response times with no loss of productivity. Which type of tasks is this true for? Select one: a. Repetitive tasks. b. Complex tasks.

b. Complex tasks.

After a system's release, evaluation during active use is necessary to provide interface refinements to support even higher levels of service. Of the following evaluation methods, which one offers the most direct way to determine which errors occur most often in a system interface? Select one: a. Interviews and focus-group discussions. b. Continuous user-performance data logging. c. Online or telephone consultants. d. Discussion and news groups.

b. Continuous user-performance data logging.

When is form fill-in a more attractive approach than menu selection? Select one: a. Choosing an item from a list. b. Data entry of text or numeric values. c. When the grouping and sequence of menu items needs to be optimized.

b. Data entry of text or numeric values.

Positional consistency is a strong principle for good menu design. By following this rule, it is best to do what when an item is no longer available for selection in a menu? Select one: a. Remove the item. b. Gray the item out. c. Allow user to select the item, but the corresponding action will not perform.

b. Gray the item out.

Which of the following is not a benefit of electronic meeting systems? Select one: a. The ability to discuss issues anonymously. b. Increases eye contact among the participants. c. A permanent record of what occurs can be recorded automatically based on the group memory. d. Facilitates broader input into the meeting process and reduces the chance that only a few people will dominate the meeting.

b. Increases eye contact among the participants.

Eric runs an on-line gourmet foods business store on the World Wide Web. In order to better serve his customers, he wishes to ensure his interface meets his user's needs. However, he is a small business and his testing budget is modest. Which of the following testing methods would be most appropriate? Select one: a. Hire a web interface expert to examine the new interface. b. Place a web-based survey on the website to identify the problems users are having. c. Set up a usability lab and invite participants to try out the new website.

b. Place a web-based survey on the website to identify the problems users are having.

Suppose you are developing a new word processor that boasts more features than any of its competition. What would be the best way for intermittent users to remember all of the commands? Select one: a. Provide detailed on-line help documentation, so the user can look up commands. b. Provide visual cues, icons, menus and dialog boxes. c. Allow user to specify commands in their natural language.

b. Provide visual cues, icons, menus and dialog boxes.

Fitt's law is a predictive model of time. What does it predict? Select one: a. The number of words-per-minute a user can type. b. The time it takes to point to a target based on width and distance. c. The speed at which the data density of circuits increases over time. d. The time it takes for a computer to audibly output a text document.

b. The time it takes to point to a target based on width and distance.

Which of the following tends to have a higher complexity in online communities? Select one: a. The user interface that the participant communicates with. b. The way the conversations are managed and moderated.

b. The way the conversations are managed and moderated.

In the initial decades of software development, technically oriented programmers designed programming languages and applications for themselves and their peers. What was a side effect of this phenomenon? Select one: a. Since they were designing programs for themselves, they were extremely simple to use. b. They created complex interfaces due to their substantial experience.

b. They created complex interfaces due to their substantial experience.

As users become engaged with their work, the computer becomes: Select one: a. A magical machine. b. Transparent c. A friend.

b. Transparent

Choose the item below that is NOT a design consideration for small displays (e.g. Smartphones or digital watches): Select one: a. Learn-ability is key b. Use 10-point font c. Make clear what is select-able and what is not d. Leave room for scroll and swipe gestures to avoid inadvertent actions e. Simplify: "less is more" f. Strive to reduce or eliminate data entry g. Use of contextual information h. Consider relegating less important functions to other platforms i. Use of contextual information j. Consider use frequency and importance k. Plan for interruptions

b. Use 10-point font

Suppose you have a menu of 15 items, and you wish to enhance the menu with color. Which of the following would be the best strategy? Select one: a. Use a different color for each of the fifteen items and menu title. b. Use one color for all the menu items, and another color for the menu title. c. Use five colors for the fifteen items and menu title.

b. Use one color for all the menu items, and another color for the menu title.

Using a metaphor as a part of an interface can aid learning, problem solving and retention. The designer should choose a metaphor closer to the... Select one: a. Computer domain. b. User's task domain. c. None of the above. d. All of the above.

b. User's task domain.

Non-functional requirements would be best described by: Select one: a. defining specific behavior that the system should support b. specifying overall criteria governing the operation of the interactive system without being to a specific action or behavior c. explicitly specify non-functional requirements for the user interaction and user interface of the interactive system d. none of the above

b. specifying overall criteria governing the operation of the interactive system without being to a specific action or behavior

Effective interaction design takes __________________ as the starting point and focuses on facilitating the function of the artifact. Select one: a. none of the other selections b. the intended user c. the task at hand d. the software engineer

b. the intended user

In the absence of empirical data, human-interface guidelines are usually based on: Select one: a. None of the other selections b. Statistical analyses of user logs c. Best-guess judgments from experienced professionals d. User preferences from surveys

c. Best-guess judgments from experienced professionals

In experimental studies, how should user's productivity be measured? Select one: a. Interactions per hour. b. Grams of caffeine needed by user per day. c. Correctly completed tasks.

c. Correctly completed tasks.

Which of the following statements are true about direct manipulation? (Select ALL that apply) Select one or more: a. In order to use the interface, a great deal of training is required from more experienced users b. Intermittent users have trouble retaining the operational concepts involved in the interface c. Designs involving direct-manipulation may consume valuable screen space and force valuable information off-screen d. Users can immediately see whether their actions are furthering their goals, and if the actions are counterproductive, they can simply change the direction of their activity e. Users experience less anxiety because the system is comprehensible and because actions can be reversed easily

c. Designs involving direct-manipulation may consume valuable screen space and force valuable information off-screen d. Users can immediately see whether their actions are furthering their goals, and if the actions are counterproductive, they can simply change the direction of their activity e. Users experience less anxiety because the system is comprehensible and because actions can be reversed easily

Which of the following should have its own user-interface architect? Select one: a. A large organization. b. Any organization, regardless of size. c. Each project. d. Each programmer.

c. Each project.

Which of the following are valid limitations of usability testing (Select ALL that apply)? Select one or more: a. Usability testing generally raises the cost of a project significantly b. Require more participants than controlled experiments. c. Emphasizes first-time usage. d. Provides limited coverage of the interface features.

c. Emphasizes first-time usage. d. Provides limited coverage of the interface features.

One technique that expert reviews have at their disposal is to create a bird's eye view of an interface. This is done by laying out a full set of printed screens on a floor or wall. What advantage does this view give the reviewer? Select one: a. Allows the reviewer to simulate how visually-impaired users will see the interface. b. Provides a low-fidelity prototype to the developers to implement an interface that uses navigation based on clicking various screenshots. c. Enables the reviewer to quickly see if the fonts, colors and terminology are consistent and that multiple developers have adhered to a common style.

c. Enables the reviewer to quickly see if the fonts, colors and terminology are consistent and that multiple developers have adhered to a common style.

For the steps to design spoken interaction, identify the design step below that does NOT belong: Select one: a. Feedback and dialogs b. Correcting errors c. Memorization d. Mapping to possible actions e. Recognition errors f. Initiation g. Knowing what to say

c. Memorization

Suppose you have a wall-sized display. Of the following type of menus, which type would be best to select a particular pen out of three possible choices? Select one: a. Pull-down menu. b. Toolbar. c. Pop-up menu. d. Fisheye menu.

c. Pop-up menu.

Suppose a user wishes to zoom in on a map of the world with a zoom factor of 50. Which technique would help preserve the user's orientation despite this deep zoom? Select one: a. Humans will not become disoriented when the zoom factor in 50, thus no extra windows are needed. b. Provide two windows, one containing an overview and one containing the detail-view content. c. Provide three windows, one containing an overview, one containing an intermediate view, and one containing the detail-view.

c. Provide three windows, one containing an overview, one containing an intermediate view, and one containing the detail-view.

Which of the following devices are direct-control pointing devices? Select one: a. Mouse b. Joystick c. Touchscreen d. Eye-Tracker

c. Touchscreen

Modern keyboards have been refined carefully and tested thoroughly in order to provide the user with maximum versatility. Which of the following choices is the most important characteristic of a keyboard in order to assist in touch-typing? Select one: a. Provide LED lights for the CAPS LOCK key. b. Place a calculator-style number pad as part the right of the keyboard. c. Tune the force and displacement of the keys carefully so that when it is pressed, it depresses and produces a subtle clicking noise. d. Provide additional function keys along the top row of the keyboard.

c. Tune the force and displacement of the keys carefully so that when it is pressed, it depresses and produces a subtle clicking noise.

An effective technique to gain insight into users' motivations for their actions is to: Select one: a. Capture video of their interactions b. Measure brain activity with electrodes c. Use the think aloud method

c. Use the think aloud method

What is the difference between user-interface designers and traditional ethnographers? Select one: a. User-interface designers do not have to understand their subjects, where traditional ethnographers do. b. User-interface designers often need to immerse themselves in cultures for weeks or months, whereas traditional ethnographers typically limit the process to a shorter period of time. c. User-interface designers focus on interfaces for the purpose of changing and improving them, whereas traditional ethnographers are just interested in understanding their subjects.

c. User-interface designers focus on interfaces for the purpose of changing and improving them, whereas traditional ethnographers are just interested in understanding their subjects.

Which of the following methods would best assist determining what the system response time should be? Select one: a. A survey asking users how long they would prefer to wait. b. Ethnographic study monitoring the length of time users spends thinking. c. Using a cognitive model of human performance.

c. Using a cognitive model of human performance.

What is NOT a benefit of direct manipulation? Select one: a. Encourages exploration. b. Faster learning and higher retention. c. Visually impaired users may have more difficulty. d. Less syntax reduces error rates.

c. Visually impaired users may have more difficulty.

When there are competitive products in a marketplace that offer similar functionality, which of the following is vital for product acceptance? Select one: a. Fancy box art. b. An encyclopedia of manuals to accompany the product. c. Well-engineered usability. d. Celebrity endorsements.

c. Well-engineered usability.

What is particularly unique about interaction design compared with other disciplines: Select one: a. must obey the physical requirements that real materials must obey b. interaction design is not particularly unique with respect to other design disciplines c. digital media is freely reproducible without consuming the original copy or costing additional resources d. has more constraints than other design disiplines

c. digital media is freely reproducible without consuming the original copy or costing additional resources

In order for a computer language to be effective, it should... Select one: a. Represent the user's tasks. b. Satisfy the human needs for communication. c. Be easy to record, manipulate and display the language on a computer. d. All of the above

d. All of the above

Which of the following methods is a valid way to increase the reliability of speech recognition? Select one: a. Have a user train a system by reading out loud examples of text. b. Use the system only in a quiet environment. c. Wear a head-mounted microphone to speak into the system. d. All of the above.

d. All of the above.

Effective display designs can include all but one of the following: Select one: a. Scale contrast, and proportion: clarity, harmony, activity, and restraint b. Module and program: focus, flexibility, and consistent application c. Style: distinctiveness, integrity, comprehensiveness, and appropriateness d. Hand-eye coordination: coordinated control of eye movement and hand movement e. Image and representation: immediacy, generality, cohesiveness, and characterization f. Organization and visual structure: grouping hierarchy, relationship, and balance g. Elegance and simplicity: unity, refinement and fitness

d. Hand-eye coordination: coordinated control of eye movement and hand movement

According to the paper accessed through the web link http://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=10&ved=0CFYQFjAJahUKEwiam_Dl0dvIAhWEGz4KHfpGDBQ&url=http%3A%2F%2Fwww.thinkmind.org%2Fdownload.php%3Farticleid%3Dmobility_2013_2_30_40079&usg=AFQjCNGgXeOWItBWVPwPBaQBPfg3dvjHAw&sig2=mgO75rEGv3OicLV02BnlOA, which of the following element that does not influence Quality of Experience (QoE) Select one: a. Quality of Service (QoS) b. Grade of Service (GoS) c. Quality of Resilience (QoR) d. Mean Opinion Score (MoS)

d. Mean Opinion Score (MoS)

Go through the video, https://youtu.be/XkmwG588zp0According to the examples provided in the video, which of the following is NOT an HuddleLamp application Select one: a. Object Movement between Multiple Mobile Devices b. Optimal and effective use of web page content c. Pick, Drag and Drop gestures d. Smart board in the Classroom

d. Smart board in the Classroom

By writing a statement of plausible impacts by an interactive system, it will only elevate fears or force developers to make unreasonable compromises. It is best to record these impacts and only reveal them at the end of the development process, at which point they can be fixed. Select one: True False

false

Identify the item below that is NOT a pointing or control task: Select one: a. Position - Choosing a position in a two-, three-, or higher dimensional space b. Select - Choosing from a set of items c. Text - Enter, move, and edit text in a two-dimensional space d. Orient - Choose a direction in a two-, three-, or higher dimensional space e. Path - Define a series of positioning and orientation operations f. Quantify - Specify a numeric value g. Consider - Waiting for a prompt h. Gesture - Perform an action by executing a predefined motion

g. Consider - Waiting for a prompt

When projects are not well defined, designers can find it useful to develop scenarios based on what happens when the user performs typical tasks in a workday. By writing these scenarios of usage, it provides an easy way to describe a system to even non- technical people involved in the project. Select one: True False

true