Guide to User Interface Design 3

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The Essential Guide to User Interface Design - 3rd Edition

Wilbert O. Galitz


Chapter 1: The Importance of the User Interface

Short Answer

  1. What is the user interface?

The user interface is the part of a computer and its software that people can see, hear, touch, talk to, or otherwise understand or direct.

  1. What are the components of the user interface?

The user interface has essentially two components: input and output. Input is how a person communicates his or her needs or desires to the computer. Some common input components are the keyboard, mouse, trackball, one’s finger (for touch-sensitive screens or pads), and one’s voice (for spoken instructions). Output is how the computer conveys the results of its computations and requirements to the user.

  1. What is the advantage of human movement and gestures in interface design?

Movements and gestures are language-independent, that is, they permit people who do not speak the same language to deal with one another.

  1. Who is credited with developing the first graphical user interface?

Ivan Sutherland from the Massachusetts Institute of Technology (MIT) is given credit for first introducing graphics with his Sketchpad program in 1963. Lines, circles, and points could be drawn on a screen using a light pen.

True/False (Answers highlighted and underlined)

  1. Experimental studies that find productivity benefits for good interface design have never been reported in the literature.

True or False?

  1. The lowest and most common form of human communication is written language.

True or False?

  1. The application of good design principles to screens did not begin to emerge until the early 1970s when IBM introduced its 3270 cathode ray tube text-based terminal.

True or False?

  1. Good interface design simply involves applying good “common sense” to design.

True or False?

Multiple Choice (Answers highlighted and underlined)

  1. The seeds of the Internet as we know it today were planted where or when?

a) By Bill Gates and Microsoft Corporation.

b) As a result of research during World War II.

c) By the National Center for Supercomputing Applications (NCSA) at the University of Illinois in 1993.

d) By J. C. R. Licklider of MIT in the early 1960s.

e) By Apple in 1988.

  1. Which of the following factors are important in interface design?

a) What users want and expect.

b) What physical limitations and abilities people possess.

c) What people find enjoyable and attractive.

d) The technical characteristics and limitations of the computer hardware and software.

e) All of the above.

f) None of the above.

  1. Which of the following is not an input mechanism in interface design?

a) Keyboard.

b) Mouse.

c) Display screen.

d) One’s finger.

e) One’s voice.

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