Digital cellphones use __________ to reduce the size of the channels that are required, by scattering the digital fragments of conversations over many channels
a. digital compression
b. ?Bluetooth
c. microwaves
d. Digital subscriber lines (DSL)
ANSWER:
a
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1.A null hypothesis shows no relationship between variables. 2.A one-tailed hypothesis states the direction of the relationship between variables. 3.Good research can start with no research question or hypothesis. 4.Open-ended research questions offer more flexibility than one-tailed hypotheses. 5.Scientific methods often combine control, tenacity, and exploration.
According to Dainton and Zelley, uncertainty is often perceived as ______ and can drive a person to send or seek specific messages.
A. opportunistic B. problematic C. unresolved D. unrecognized
Success in a(n) _____ culture is measured by the extent to which you surpass other members of your group
Fill in the blank with the appropriate word.
Answer the following statement(s) true (T) or false (F)
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