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PROGRAM
BSc IT
SEMESTER
SIXTH
SUBJECT CODE & NAME
BT9302, Human Computer Interface
Qus:1 What is the importance of good
user interface design?
Answer: A user interface is the system by
which people (users) interact with a machine. The user interface includes
hardware (physical) and software (logical) components. User interfaces exist
for various systems, and provide a means of: Input, allowing the users to
manipulate a system, and/or and provide output, allowing the system to indicate
the effects of the users' manipulation.
Generally, the goal of
Qus:2 Explain
the benefits of good user interface design.
Answer: A user interface is the system by
which people (users) interact with a machine. The user interface includes
hardware (physical) and software (logical) components. User interfaces exist
for various systems, and provide a means of: Input, allowing the users to
manipulate a system, and/or and provide output, allowing the system to indicate
the effects of the users' manipulation.
Generally, the goal
Qus:3 Mention the supporting
functions for graphical user interface.
Answer: Graphical user interfaces (GUIs)
have become the user interface of choice. Yet despite the GUI's popularity,
surprisingly few programs exhibit good interface design. Moreover, finding
Qus:4 What are the features direct
manipulation interface provides?
Answer: There are three commonly recognized
user interfaces in use today. The Graphical User Interface, which is possibly
the most familiar to most users; the Voice User Interface, one that is rapidly
being deployed in many aspects of business; and the Multi-Modal Interface, a
relatively new area of research that combines several methods of user input
into a system
Qus:5 Write short notes on layout of
controls.
Answer: Poorly laid out dialog boxes cause
confusion and distract users from completing their tasks. Organisation is thus
critical to maximizing usability. There are four general categories of control:
Imperative, Selection, Entry, and Display.
1) Imperative controls:
Imperative controls are those that command an immediate
action. A click of a button executes an associated action. There are two types
of imperative controls:
command buttons and icon buttons
Qus:6 Mention the advantages and
disadvantages of graphical system.
Answer: Advantages:
The following lines list the advantages of Graphical Systems:
1. Reduce the memory requirements.
2. Reduce system learning requirements Symbols recognized
faster than text
3. Faster learning
4. Faster use and
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