Answer the following statement(s) true (T) or false (F)

1. A bit is made up of 8 bytes.
2. A network device that amplifies and retimes incoming data signals is called a repeater.
3. There are a total of six layers in the OSI model.
4. The File Transfer Protocol is used to upload or download files, to or from network servers.
5. The difference between (EIA/TIA) 568A and 568B wiring standards is the positioning of pairs 2 and 3.


1. F
2. T
3. F
4. T
5. T

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The ____ joint is made when one piece of metal is laid over the edge of another.

A. butt B. lap C. outside corner D. tee

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Convert the following absolute uncertainties to relative uncertainties.

a. 20.9 ± 0.4 b. 15.1 ± 0.8 c. 388 ± 23 d. 2.465 ± 0.009

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Which of the following is a variation of straightbreeding?

A. inbreeding B. outcrossing C. grading up D. all answers are correct

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Repeat Example 12.1 for a 7-V Zener diode.

Example 12.1
Determine the nominal load current io and the required Zener diode power rating for the voltage regulator of Figure 12.8.

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