CS408 Final Term Solved Subjective with References by Umair Saulat

CS408- Human Computer Interaction · Solved Subjective Fall Semester 2012 · By Umair Saulat

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)

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

QNo.2 Define active intervention. (2 Marks)

Answer: Active intervention with the participant and actively probes the participant understands of whatever is being tested.

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

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.

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

QNo.6 Explain Meta data in term of data processing. (3 Marks)

Answer: 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.

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 work.

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.

QNo.10 Difference between Semi-structure interview and focus group interview. (5 Marks)

Semi-Structure Interview

Focus Group Interview

Semi-structured, interviews combine features of structured and unstructured inter views and use both closed and open questions. Use of pre-determined questions provides uniformity Requires some level of training or practice in order to prevent interviewer suggesting answers It also allows respondents to discuss and raise issues that you may not have considered One form of group interview is the focus group that is frequently used in marketing, political campaigning, and social sciences research. Normally three to 10 people are involved. Focus groups are also attractive because they are low-cost, provide quick results, and can easily be scaled to gather more data. A preset agenda is developed to guide the discussion

QNo.10 Differentiate between Visual Art and Visual Design?

Visual Art

Visual Design

Visual art is art such as paintings, photographs, sculptures, The term visual art separates those kinds of art from music, dance, and drama. It is two-dimensional. Visual arts are things like paintings, drawings, visual designs, photography, and computer art. There is no "designing" for a purpose; Visual design is the way a piece of artwork, a room, yard, video game, photo or other artistic subject is composed and appeals to the human eye Photoshop designs for each page, page type, module within an app/site/software. Creates or contributes to style guides detailing how everything looks and