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CS408 – Human Computer Interaction

In CS408 Human Computer Interaction we have you covered with Digitized Past Papers From Fall of Mid Term and Final Term.

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  1. Ayesha Mumtaz

    As interface designer for e-learning application for kids I’ll prefer below features of software that will attract the kids.
    Interface will be attractive and responsive.
    Interface will be easy to learn and simple.
    Children will use the application as per their skills and abilities.
    Interface will attract kids for its pleasant design.
    Kids will be able to study whenever they have access to internet.
    I’ll make the e-learning software interface easy to navigate for kids. Complex navigation scheme may lead them to frustration.
    Visual design will be more colorful and attractive for kids.
    Easy understandable & avoid complexity in interface.
    Yes, different users perceive interface as per their behavior and attitude. Different individuals show variation in their adaption behavior in interacting with e-learning interfaces some kids may be beginners of the application, some may be familiar and some may be expert. So developing an e-learning application


    QNo.1 it has been observed that most computer users use menu option for input instead of keyboard
    accelerator. What is the reason behind it? (2 Marks)
    Answer:- 1. Menu options are easier to find. 2. You don’t have to memories the keys for menu option but for key board accelerators you have
    to memories them
    REF:: Handouts Page No. 127
    QNo.2 Define active intervention. (2 Marks)
    Answer:- Active intervention with the participant and actively probes the participant understands of whatever is
    being tested. REF:: Handouts Page No. 276
    QNo.3 what is Ubiquitous Computing? (2 Marks)
    Answer:- The most profound technologies are those that disappear. They weave themselves into the fabric of
    everyday life until they are indistinguishable from it. These words have inspired a new generation of
    researchers in the area of ubiquitous computing
    REF:: Handouts Page No. 140
    QNo.4 which display device is very cheap and has fast enough response time for rapid animation
    with high color compatibility? (2 Marks)
    Answer:- The CRT is a cheap display device and has fast enough response times for rapid animation coupled with
    a high color capability. REF:: Handouts Page No. 119
    QNo.5 By breakdown Skelton plane into its component elements then how all piece fit together to
    create this as whole user experience? (3 Marks)
    Answer:- Beneath that surface is the skeleton of the site: the placement of buttons, tabs, photos, and blocks of
    text. The skeleton is designed to optimize the arrangement of these elements for maximum effect and
    REF:: Handouts Page No. 306
    QNo.6 Explain Meta data in term of data processing. (3 Marks)
    In data processing, meta-data is definitional data that provides information about or documentation of
    other data managed within an application or environment
    REF:: Handouts Page No. 406


    QNo.7 suppose you are a system analyst, with your work experience, briefly describe when it is
    useful to observe in contrast to observation process? (3 Marks)
    Answer:- Being a system analyst, Early in design, observation helps designers understand users’ needs. Other
    types of observation are done later to examine whether the developing prototype meets users’ needs. REF:: Handouts Page No. 361
    QNo.8 Describe any five usability goals of Internet Explorer. (5 Marks)
    Answer:- Usability is broken down into the following goals:
    1. Effective to use (effectiveness)
    2. Efficient to use (efficiency)
    3. Safe to use(safety)
    4. Have good utility (utility)
    5. Easy to learn (learnability)
    1. Effectiveness
    It is a very general goal and refers to how good a system at doing what it is suppose to do. 2. Efficiency
    It refers to the way a system supports users in carrying out their tasks. 3. Safety
    It involves protecting the users from dangerous conditions and undesirable situations. In
    relation to the first ergonomics aspect, it refers to the external conditions where people
    4. Utility
    It refers to the extent to which the system provides the right kind of functionality so that user can do what they need or want to do
    5. Learnability It refers to how easy a system is to learn to use. It is well known that people do not like spending a long time learning how to use a system


    QNo.9 when observation is useful and how to observe? (5 Marks)
    Answer:- Observing is useful at any time during product development. Early in design, observation helps designers
    understand users’ needs. How to observe
    The same basic data-collection tools are used for laboratory and field studies (i.e., direct observation, taking notes, collecting video, etc.) but the way in which they are used is different. In the laboratory the
    emphasis is on the details of what individuals do, while in the field the context is important and the focus is on how people interact with each other, the technology, and their environment. Furthermore, the equipment in the laboratory is usually set up in advance and is relatively static whereas in the field it usually must be moved around. In this section we discuss how to observe, and then examine the practicalities and compare data-collection tools. REF:: Handouts Page No. 361


    QNo.11which theory claimed Problem solving is both productive and reproductive what are
    controlled vocabularies?
    Answer:- Gestalt theory
    Gestalt psychologists were answering the claim, made by behaviorists, that problem solving is a matter
    of reproducing known responses or trial and error. This explanation was considered by the Gestalt
    school to be insufficient to account for human problem solving behavior. REF:: Handouts Page No. 91
    QNo.12how active intervention technique performed?
    Answer:- Active intervention is particularly useful early in design. It is an excellent technique to use with
    prototypes, because it provides a wealth of diagnostic information. It is not the technique to use;
    however, if your primary concern is to measure time to complete tasks or to find out how often users
    will call the help desk. To do a useful active intervention test, you have to define your goals and
    concerns, plan the questions you will use as probes, and be careful not to bias participants by asking
    leading questions. REF:: Handouts Page No. 276
    QNo.13 Application software implemented in file system model?
    Answer:- Software implemented in the file system model: Our software is already designed and built that way, and users are used to it neither of these arguments is valid. The first one is irrelevant because new
    programs written with a unified file model can freely coexist with the older implementation model
    applications. The underlying file system doesn’t change at all. In much the same way that toolbars
    quickly invaded the interfaces of most applications in the last few years, the unified file model could also
    be implemented with similar success and user acclaim. The second argument is more insidious, because its proponents place the user community in front of
    them like a shield. What’s more, if you ask users themselves, they will reject the new solution because
    they abhor change, particularly when that change affects something they have already worked hard to
    master — like the file system. However, users are not always the best predictors of design successes, especially when the designs are different from anything they’ve already experienced, REF:: Handouts Page No. 330
    Q No.14 Explain metadata in term of data processing
    In data processing, meta-data is definitional data that provides information about or documentation of other data managed within an application or environment. For example:- Meta-data would document data about data elements or attributes (name, size, data type, etc) and data
    about records or data structures (length, fields, columns, etc) and data about data (where it is located, how it is associated, ownership, etc.).


    QNo.15Point out the problem with Excise task?
    Answer:- The problem with excise tasks is that the effort we expend in doing them doesn’t go directly towards
    accomplishing our goals. Where we can eliminate the need for excise tasks, we make the user more
    effective and productive and improve the usability of the software. REF:: Handouts Page No. 246
    QNo.16Define controlled Vocabularies?
    Answer:- Vocabulary control comes in many shapes and sizes. At its most vague, a controlled vocabulary is any
    defined subset of natural language. At its simplest, a controlled vocabulary is a list of equivalent terms in
    the form of a synonym ring, or a list of preferred terms in the form of an authority file. REF:: Handouts Page No. 407
    QNo.17Write principles to prevent user privacy?
    Answer:- Most previous evaluations in human-computer interaction, these studies can be done without users
    knowing that they are being studied. This raises ethical concerns, chief among which are issues of
    privacy, confidentiality, informed consent, and appropriation of others’ personal stories (Sharf, 1999). People often say things online that they would not say face to face. REF:: Handouts Page No. 268
    QNo.18what is Scope Plane in context of elements of user experience?
    Answer:- On the software side, the strategy is translated into scope through the creation of functional
    specifications: a detailed description of the “feature set” of the product. On the information space side, scope takes the form of content requirements: a description of the various content elements that will be
    required. Now we can map that whole confusing array of terms into the model. By breaking each plane
    down into its component elements, we’ll be able to take a closer look at how all the pieces fit together
    to create the whole user experience. REF:: Handouts Page No. 308
    QNo.19by breaking down Skeleton plane into its component elements then how all the pieces fit
    together to create this as a whole user experience?
    Answer:- The skeleton plane breaks down into three components. 1. On both sides, we must address information design:
    The presentation of information in a way that facilitates understanding. 2. For software products:
    The skeleton also includes interface design, or arranging interface elements to enable users to
    interact with the functionality of the system. 3. The interface for an information space is its navigation design:
    The set of screen elements that allow the user to move through the information architecture
    REF:: Handouts Page No. 308


    QNo.20what “function” will create a copy of the original document in MS Word?
    Answer:- The word snapshot makes it clear that the copy is identical to the original, while also making it clear that
    the copy is not tied to the original in any way. That is, subsequent changes to the original will have no
    effect on the copy. REF:: Handouts Page No. 326
    QNo.21Define Strategy and Scope planes?
    Answer:- Strategy Planes
    The scope is fundamentally determined by the strategy of the site. This strategy incorporates not only
    what the people running the site want to get out of it but what the users want to get out of the site as
    well. In the case of our bookstore example, some of the strategic objectives are pretty obvious: Users
    want to buy books, and we want to sell them. Other objectives might not be so easy to articulate. Scope planes
    On the software side, the strategy is translated into scope through the creation of functional
    specifications: a detailed description of the “feature set” of the product. On the information space side, scope takes the form of content requirements: a description of the various content elements that will be
    required. REF:: Handouts Page No. 307, 308
    QNo.22Usability tests?
    In most usability tests, you have one participant at a time working with the product. You usually leave
    that person alone and observe from a corner of the room or from behind a one-way mirror. REF:: Handouts Page No. 275
    QNo.23Identify the main components that make up a global navigation system in context of a web. Answer:- Web designers use the term penitent navigation (or global navigation) to describe the set of navigation
    elements that appear on every page of a site, Persistent navigation should include the five elements you
    most need to have on hand at all times. 1. The Home page. 2. Forms. 3. Site ID
    4. The Sections
    5. The Utilities
    REF:: Handouts Page No. 287,288


    QNo.25Suppose you are an HCI specialist, what do you think that evaluation of design or product is
    beneficial? Justify your point of view. (5 marks)
    Answer:- HCI specialists test design ideas on real users and use formal evaluation techniques to replace intuition
    in guiding design. This constant reality check improves the final product. o most effectively develop programs and products designed to meet customer needs, all operations are
    strongly science based. For example, our research and development teams emphasize improving rearing
    methodologies for current and new products, designing consistently significant quality control
    evaluations, improving natural enemy delivery methodologies and developing technologies for field
    population monitoring. Our science-based efforts are the best means to achieve and maintain the
    highest standards of program and product quality. 1. Problems are fixed before the product is shipped, not after. 2. The team can concentrate on real problems, not imaginary ones. 3. Engineers code instead of debating. 4. Time to market is sharply reduced. 5. Finally, upon first release, your sales department has a rock-solid design it can sell without
    having to pepper their pitches with how it will all actually work in release 1.1 or 2.0. REF:: Handouts Page No. 21,257

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