Which modulation technique used by 802.11a has four possible changes in the starting point of the wave, allowing it to transmit 1 bits per symbol?
A. QPSK
B. BPSK
C. PSK
D. 16-QAM
Answer: A
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Fill in the blank(s) with the appropriate word(s).
A device used to evenly distribute mixtures of liquid and vapor refrigerant leaving the TEV to multiple evaporator circuits is called a:
A) Refrigerant junction. B) Refrigerant header. C) Refrigerant manifold. D) Refrigerant distributor.
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(a) Plot the data on rectangular graph paper with area as the independent variable.
(b) Plot the data on log-log graph paper with area as the independent variable.
(c) Plot the data on semilog graph paper with area as the independent variable.
(d) Compute equations from these three plots using the method of selected points.
(e) Plot and find equations for parts (a), (b), and (c) using computer-assisted methods.
(f) What would be the best curve fit for this application?
 FIGURE 1.png)
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Indicate whether the statement is true or false