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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 4.

Multiple Choice Questions

1. What was used in the earliest known method of writing language?
(a) Numbers.
(b) Codes.
(c) Zeroes and ones.
(d) Pictures.

2. Who invented the telegraph?
(a) Alexander Graham Bell.
(b) Samuel Morse.
(c) Thomas Edison.
(d) Albert Einstein.

3. How did the drummers of Africa differentiate between similar words?
(a) The drummer had to let those receiving the message figure out the right words.
(b) The drummer added special emphasis.
(c) The main drummer was assisted by another drummer.
(d) The drummer added short descriptive phrases.

4. All known alphabets are based on the original alphabet that emerged about 1500 B.C. in what area?
(a) South America.
(b) Asia.
(c) The Mediterranean region.
(d) Egypt.

5. What is the system of dots and dashes used to communicate telegrams called?
(a) Bell's Code.
(b) Morse Code.
(c) Tele-Com Messaging.
(d) Electronic Messaging.

Short Answer Questions

1. What caused the errors that were contained in the tables of logarithms that had to be calculated themselves?

2. Who devised a way to multiply and divide numbers by adding or subtracting their logarithms?

3. What new word did Claude Shannon, a mathematical researcher at Bell Labs, introduce in the in-house journal called "A Mathematical Theory of Communication"?

4. What development was the last stage of writing?

5. Who first thought of constructing a machine that could calculate logarithms?

(see the answer key)

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