I. True or False. Write True if the statement is True otherwise write False.(1pt.each
item).
1. As the high-level design of the system progresses, task analysis is no longer
required.
2. Task sequences obtained from a task decomposition can be used when
designing the system’s dialog.
3. Standard software engineering formalisms can be used to specify an interactive
system.
4. Formal specifications can be checked for internal consistency.
5. A specification can be checked for external consistency with respect to
requirement.
6. Model-oriented notations were developed to provide software engineers with the
ability to describe and reason about software components using precisely
defined interface constructs, which mirror the kinds of constructs used in real
programming languages.
7. The distinction between status and event is between being and doing.
8. The strength of the method is that a single descriptive framework can be applied
at a range of levels from the application, through the interface, to the user’s
perception.
9. Ubiquitous computing technology includes pen-based technology, handheld or
portable devices, large-scale interactive screens, wireless networking
infrastructure, and voice or vision technology.
10. Virtual reality represents the state of the art in multimedia systems, but
concentrates on the hearing senses.

II. Discussion. Answer the questions briefly and concisely. (5 pts. Each)
1. What factors are likely to delay the widespread use of video in interfaces?
What applications could benefit most from its use?
2. Data visualization techniques have often increased our comprehension of
phenomena: consider the effect that 3D graphics has had on looking at
complex models such as those of the atmosphere or the ocean, or in
understanding the structure of molecules. What do you consider to be the
areas that may benefit most from virtual reality visualization techniques?

Republic of the Philippines


3. Using a graphics package such as Adobe Photoshop or Macromedia
Fireworks save different types of images (photographs, line drawings, text)
in different formats (GIF, JPEG, PNG). Create a table comparing the file
sizes of the different formats, experimenting with different compression
ratios (where applicable), numbers of colors, etc.

III. Evaluate the given interface design of the given Android Parking App below by
using the Jakob Nielsen heuristics. (25pts)