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

Multiple Choice Questions

1. While working on plans for this "analytical engine," Babbage struck an acquaintance with what individual?
(a) Lord Byron.
(b) John Simpson.
(c) Ada Lovelace.
(d) Isaac Newton.

2. What type of lists did Babbage create about livestock, fabric, letter combinations in various languages and other facts?
(a) Numeric.
(b) Statistical.
(c) Random.
(d) Alphabetical.

3. What were the two essential elements of Shannon's simple communication model?
(a) Circuit and grid.
(b) Two relay switches.
(c) A transmitter and a receiver.
(d) Grid and network.

4. The early telegraph had trouble functioning under what conditions?
(a) Migratory seasons.
(b) Fog and rain.
(c) Overuse.
(d) Sunny skies.

5. How did the telegraph advance weather forecasting?
(a) Weather disruptions could be detected when sending messages.
(b) Lightning in the air could be detected by the operation of the telegraph.
(c) Larger patterns of weather could be learned.
(d) Weather reports could be sent all over the world.

Short Answer Questions

1. How does heat travel?

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

3. Shannon showed that it was theoretically possible to overcome any amount of signal noise by what action?

4. What development was the last stage of writing?

5. Why were there so many message errors with the early telegraph?

(see the answer key)

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