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1. Whats causes refraction? - ANSWER Change in the speed of light
2. What does a transmitter do? - ANSWER Converts electricity to light
3. What does a transmission do? - ANSWER Passes light energy
4. What does the receiver - ANSWER Converts light to electricity
5. Obtical fiber that allows ONE light path - ANSWER Single mode
6. Type of optical fiber whos core is made of SEVERAL layers of material? -
ANSWER Multimode graded
7. Light imperfections due to: - ANSWER Core cladding boundary
8. True or false: Multimode index fibers are desired for long, high speed
communication - ANSWER FALSE
, 9. Transferring a modulated cable by transfering is called? - ANSWER
Modulation
10.What type of signal is transmitted by fiber optics, by energizing and de-
energizing a light source? - ANSWER A PCM
11.Fiber optics are capable of: - ANSWER Digital and analog
12.What is the term used to identify the quality of a digital system is: -
ANSWER Bit error rate
13.What type of AD converter analog to refrence? - ANSWER
Simeltaneous
14.What converter uses a up-down converter - ANSWER Tracking
15.True or false, a r2/r uses 2 resistors of differnt values? - ANSWER True
16.Disadvantage of binary weighted input - ANSWER Uses different
resistance values
17.Whats section of the system is used for syncing - ANSWER The control