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

Multiple Choice Questions

1. "Entropy" was first used by what individual to describe the unavailability of energy?
(a) Isaac Newton.
(b) Albert Einstein.
(c) Galileo Galilei.
(d) Rudolph Clausius.

2. What did Shannon call the units of information that he was able to measure in a message?
(a) Microns.
(b) Data.
(c) Bits.
(d) Bytes.

3. Why were there so many message errors with the early telegraph?
(a) Poor weather conditions.
(b) Passing the messages between too many operators.
(c) Political unrest.
(d) Untrained workers.

4. What is the most probable state for an arrangement of molecules in a system?
(a) Constantly and randomly movement.
(b) In an arc.
(c) In a jumble.
(d) In an organized line.

5. Who suggested that the meaning of the word "entropy" mean the opposite of what it was originally, to describe the part of energy which was available to be converted into work?
(a) James Clerk Maxwell.
(b) Albert Einstein.
(c) Isaac Newton.
(d) Christian Doppler.

Short Answer Questions

1. What were the interests of Charles Babbage, a brilliant Englishman who lived in the 19th century?

2. How did people save money in sending telegraph messages?

3. Seventeenth numerical tables were set up so that what factor could be learned about each number?

4. Where was knowledge stored prior to the written word?

5. There was no "looking up" of information prior to what invention?

(see the answer key)

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