Radio data transmission requires that each device has a radio receiver/transmitter and uses a specific frequency.
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Q11: Computers produce digital data whose values are
Q12: Newer telephone circuits, built during the last
Q13: In a multipoint circuit configuration, each computer
Q14: With modem communications, the receiving modem converts
Q15: In simplex transmission, the data flows in
Q17: Propagation delay is negligible with satellite transmission.
Q18: Fiber optic cable carries signals in traditional
Q19: Coaxial cable costs less and offers less
Q20: The medium is the physical matter or
Q21: Nonreturn to zero is a type of
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