|Name: _________________________||Period: ___________________|
This test consists of 15 multiple choice questions and 5 short answer questions.
Multiple Choice Questions
1. When a magnetic field flows from a magnet into metal what is pulled together?
(b) The magnet and the current.
(c) The metal and the current.
(d) The metal and magnet.
2. What happens after an analog quality is turned into binary code?
(a) It can be sent out in electrical pulses to be stored and processed.
(b) It becomes digital.
(c) It is no longer available to be translated.
(d) It is then processed into tertiary code for better transmission rates.
3. What is one phenomenon a measurement of force measures?
(a) Vise pressure.
(b) Pull pressure.
(d) Push pressure.
4. What does a convex lens do?
(a) Creates a larger image of a smaller one.
(b) Causes an image to flatten.
(c) Causes an image to appear three dimensional.
(d) Creates a smaller image of a larger image.
5. What is it called when levels rise and fall continuously?
6. What happens when orbiting electrons are energized so that they jump away from their nucleus and then fall back?
(a) They exchange energy with the nucleus.
(b) They lose their rotation pattern.
(c) They burn out.
(d) They emit a ray of light on impact.
7. In the illustration of binary code, what represents the "on" number?
(a) A pumpkin in a crate.
(b) A basketball in a crate.
(c) A lemon in a crate.
(d) An empty crate.
8. How can information in binary code be communicated?
(a) Light waves.
(b) Electrical pulses.
(c) Morse code.
(d) It cannot be communicated.
9. What is the meaning of RAM?
(a) Random Acts of Motion.
(b) Read Accessible Motion.
(c) Radar Accessible Memory.
(d) Random Access Memory.
10. What traumatizes the mammoth?
(a) Having its hair cut.
(b) Being taken into virtual reality.
(c) Seeing the dead mammoths all around.
(d) Having its tusks shrink.
11. What are two ways electrical bits can be stored?
(b) Chips and barcodes.
(c) In liquids.
(d) In plaster.
12. What is frequency?
(a) How quickly a wave moves past each peak of energy.
(b) How often a wave begins moving after encountering a barrier that stops it.
(c) How often a wave is generated.
(d) How often one wave moves past a peak of energy.
13. What happens when electrons are rubbed, shuffled, or brushed off one surface onto another?
(b) Static electricity.
14. What colors make up all light?
(a) Yellow, red, and blue.
(b) Green, blue, and yellow.
(c) Red, green, and yellow.
(d) Red, green, and blue.
15. What parts of ROM memory can be changed?
(b) The binary code.
(c) The lower chip layers.
(d) The upper chip layers.
Short Answer Questions
1. What charge do untouched electrons carry?
2. How do oppositely charged electrons respond to each other?
3. What is the distance between each peak of energy in a wave?
4. How are signals and messages created out of light and radio waves?
5. What do sensors and detectors measure?
This section contains 503 words
(approx. 2 pages at 300 words per page)