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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 9.

Multiple Choice Questions

1. What jobs were created to handle the increasing number of telephone calls?
(a) Switchboard operators.
(b) Office assistants.
(c) Secretaries.
(d) Call center personnel.

2. Shannon used the term entropy to have what meaning in reference to a message?
(a) Relevance.
(b) Certainty.
(c) Uncertainty.
(d) Importance.

3. What did Alan Turing reduce human thought to?
(a) Its basic elements.
(b) Numbers.
(c) Symbols.
(d) 0s and 1s.

4. What machine was constructed by Charles Babbage?
(a) The difference analyzer.
(b) The calculator.
(c) The computer.
(d) The difference engine.

5. What were the interests of Charles Babbage, a brilliant Englishman who lived in the 19th century?
(a) Philosophy and psychology.
(b) Prose and poetry.
(c) The history of discovery and travel.
(d) Mathematics, engineering, cryptography, railroads, and industrial machinery.

Short Answer Questions

1. Why did businessmen immediately take to the telegraph?

2. All known alphabets are based on the original alphabet that emerged about 1500 B.C. in what area?

3. What is the modern meaning of "entropy"? "Entropy was not a kind of energy or an amount of energy," Gleick writes (p. 271). It was instead an abstract measurement of the unavailability of energy.

4. What does the word "entropy" describe in relationship to thermodynamics?

5. How many years ago was the first language established?

(see the answer key)

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