DEA 3250 EXAMINATION: SAMPLE PRELIMINARY 1
Name:
Please circle your answers to each of the following multiple choice questions
1. In a user-machine system what does the term "user interface" refer to?
a. the organization of task activities
b. the design of controls and displays
c. the prioritizing of the users knowledge about the system
d. the organization of what functions will be performed by the user and by the machine
2. What name is given to the general short term memory storage system in the model of human
information processing presented in class?
a. phonetic memory b. episodic memory
c. visual memory d. working memory
3. Which of the following is a general principle in the design of public information symbols?
a. a silhouette is preferable to an outline b. asymmetrical symbols are preferred
c. directional symbols should be blue d. symbols in green enclosures are preferred
4. If an immediate hazard will result in severe personal injury or death, which of the following
hazard intensity labels should be used?
a. caution b. danger
c. halt d. warning
5. Which of the following is not important as an aid to the recognition of visually displayed information?
a. fixed length scale b. level of illumination
c. figure/ground contrast d. letter size
6. In a bilingual safety sign, what should the message panel contain?
a. hazard intensity information b. international 'alert' symbol
c. instructions written in both languages d. primary 'alert' message
7. Which of the following is a reason for choosing an analog rather than a digital display?
a. precise values are required to be read with speed and accuracy
b. rate of change of values is not important
c. displayed values are stable
d. anticipatory information is required
8. Which of the following numeric progressions should be used with an analog display?
a. progression in units of 3 b. progression in units of 1
c. progression in units of 7 d. progression in units of 0.15
9. Which of the following is a reason for choosing an auditory rather than a visual display?
a. the original signal is a written phrase b. the display is in a noisy environment
c. the message is complex and/or long d. the message has to travel around barriers
10. In designing auditory displays what does the principle of invariance describe?
a. that the signal must be discriminable from background noise
b. that the signal should designate the same information at all times
c. that the message should be brief and short
d. that the message should not give the recipient more information than is necessary
11. In signal detection theory, what does the term "sensitivity" describe?
a. the height of the signal and noise distributions
b. the criterion that a subject uses to make a decision
c. the peak-to-peak distance between the signal and noise distributions
d. the probability of a correct response
12. Which of the following body regions has the least tactile sensitivity?
a. lips b. fingertips
c. palm d. upper arm
13. Name the two functional requirements for a display?
a: ____________________________________
b: ____________________________________
14. Graduation interval, numbered interval, scale range and scale unit are important elements of quantitative display design.
Use these terms to complete the following definitions.
a. the smallest scale unit to be read is called the
b. the highest and lowest values to be read defines the
c. the numerical difference between the smallest scale markers is called the
d. the numerical difference between adjacent scale numbers is called the
15. Say whether each of the following statements is True (T) or False (F)?
a. Dialing a phone number is an example of an open-loop system T F
b. Kicking a ball is an example of an closed system T F
c. Throwing a boomerang is an example of an open-loop system T F
d. Steering a car is an example of a closed-loop system T F
NOTE: The real exam may contain up to 50 questions including some that ask you to label a diagram. You will not be asked to undertake any calculations.