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This test consists of 15 multiple choice questions and 5 short answer questions.

Multiple Choice Questions

1. What charge do untouched electrons carry?
(a) Neutral.
(b) Positive.
(c) Negative.
(d) It varies.

2. What are two ways electrical bits can be stored?
(a) In liquids.
(b) Chips and barcodes.
(c) Tapes.
(d) In plaster.

3. Where can the electromagnetic fields exist that sound waves cannot?
(a) In the brain.
(b) In a vacuum.
(c) Outside of matter.
(d) Through dense matter.

4. What makes it possible to use light and radio waves to communicate?
(a) They oscillate.
(b) They travel in patterns.
(c) They coalesce.
(d) They have short bursts of energy.

5. What are devices which measure and/or locate a force and/or give feedback?
(a) Sensors and desensitizers.
(b) Sensors amd detectors.
(c) Detectors and detractors.
(d) Detractors and desensitizers.

6. How are positive and negative electrons similar to positive and negative poles?
(a) They both contain anodized matter.
(b) There are no similarities.
(c) They both contain a neutral charge.
(d) The both attract the opposite.

7. How many principle(s) govern the flow of electricity?
(a) One.
(b) Three.
(c) Two.
(d) Four.

8. How can bits be saved on tapes?
(a) By transforming them into a magnetic field.
(b) By overwriting the data onto strips.
(c) Bits cannot be stored on tapes.
(d) By impressing the data into dots.

9. What is essential for running an autopilot program?
(a) The right semiconductor.
(b) A positive electrical charge.
(c) Feedback.
(d) The correct electrical charge.

10. What type of input uses an analog-digital converter?
(a) Fingertip.
(b) Counter-intuitive.
(c) Signal.
(d) Intuitive.

11. What happens when a magnetic field flows from a magnet into metal?
(a) It demagnitizes the metal.
(b) It bends the electronic field.
(c) It polarizes the electronic field.
(d) It temporarily makes the metal magnetic.

12. What happens when visible rays cross the lens of our eye and are bent through the convex surface?
(a) They vibrate the retina.
(b) They form an image on the retina.
(c) They vibrate the iris.
(d) The can burn out the cortex.

13. What is the magnetic field caused by an electric force?
(a) Neutrino force.
(b) Polar force.
(c) Motive force.
(d) Positron force.

14. What makes waves different from molecules?
(a) Waves vibrate, but matter doesn't.
(b) Only their effects are different.
(c) Waves pass through matter.
(d) Waves are not actually real.

15. What is it called when levels rise and fall continuously?
(a) Variable.
(b) Digital.
(c) Static.
(d) Analog.

Short Answer Questions

1. How do oppositely charged electrons respond to each other?

2. What is it called when filters block out all the rays except ones vibrating in a chosen field?

3. What is one type of ray that human eyes cannot perceive?

4. In the illustration of binary code, what represents the "on" number?

5. How many different ways can waves be created by instruments?

(see the answer keys)

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