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This test consists of 5 multiple choice questions, 5 short answer questions, and 10 short essay questions.

Multiple Choice Questions

1. The speed of the vibration affects ____________.
(a) The density.
(b) The wavelength.
(c) The foil.
(d) The pattern.

2. How can information in binary code be communicated?
(a) It cannot be communicated.
(b) Electrical pulses.
(c) Light waves.
(d) Morse code.

3. By what are the variations of an analog quality turned into a sequence of numbers?
(a) A wave machine.
(b) An analog-digital converter.
(c) A capacitor.
(d) A transistor.

4. What happens to the charge of an electron in a static electricity situation?
(a) The charge becomes neutral.
(b) The charge oscillates between positive and neutral.
(c) The charge oscillates between negative and neutral.
(d) The charge reverses.

5. As the frequency speed increases, what happens to the pitch?
(a) Frequency has no effect on pitch.
(b) It gets higher.
(c) It dissipates.
(d) It gets lower.

Short Answer Questions

1. What happens when a magnetic field flows from a magnet into metal?

2. Upon what numbers are codes in a binary system built?

3. What happens when electrons are rubbed, shuffled, or brushed off one surface onto another?

4. What parts of ROM memory can be changed?

5. What is another term for electromagnetic waves?

Short Essay Questions

1. What makes it possible to use waves to communicate? How is this done?

2. Discuss the two types of lens, concave and convex.

3. What are analog quantities and how are its levels described?

4. Discuss the composition of light.

5. Who is the last mammoth?

6. Explain how electromagnets keep machines running.

7. Describe how the author illustrates a chemical reaction.

8. What is the input?

9. How is magnetism caused?

10. What are electrons? What does their movement create?

(see the answer keys)

This section contains 610 words (approx. 3 pages at 300 words per page) View a FREE sample