1. What was the name of the computer manufacturing and retail division of Royal Typewriter which made the early computers RPC 4000 and RPC 9000?
(a) Royal Information Systems.
(b) Royal Computing.
(c) Royal Mathematics.
(d) Royal McBee.

2. Where is the main laboratory for the Thomas J. Watson Research Center?
(a) Chicago, Illinois.
(b) Yorktown Heights, New York.
(c) Cherry Hill, New Jersey.
(d) Indianapolis, Indiana.

3. What were the subjects allowed to glance at one at a time in the experiment from the 1940s described by Gleick in Chapter 2, "Revolution"?
(a) Nature photographs.
(b) Postage stamps.
(c) Playing cards.
(d) Ink blots.

4. In Chapter 4, "A Geometry of Nature," Houthakker explained to Mandelbrot the diagram in his office represented eight years of what?
(a) Wheat prices.
(b) Cotton prices.
(c) Corn prices.
(d) Almond prices.

5. What work by Edward Lorenz greatly impacted the thinking of James Yorke, as described in Chapter 3, "Life's Ups and Downs"?
(a) "Deterministic Nonperiodic Flow".
(b) "Period Three Implies Chaos".
(c) "Physical Review Letters".
(d) "Fractals Everywhere".

Short Answer Questions

1. Who is attributed with the following quote in the beginning of Chapter 3, "Life's Ups and Downs": "The result of a mathematical development should be continuously checked against one's own intuition about what constitutes reasonable biological behavior"?

2. Where was James Yorke born?

3. In statistics, what refers to any statistical relationship between two random variables or two sets of data?

4. When was James Yorke born?

5. What refers to a computer program or network of computers that attempts to simulate an abstract model of a particular system?

(see the answer key)

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