Which of the following is a characteristic of sound waves that can be modulated to convert digital data into analog signals?
a. phase
b. attenuation
c. bipolar
d. bandwidth
e. codec
Answer: a. phase
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1. An alternative to deriving a thread from the Thread class is to inherit the Runnable interface. 2. SQL stands for Structured Query Language.
A destructor cannot execute unless it is explicitly called from a program.
Answer the following statement true (T) or false (F)
A(n) ____________________ printer is a small, lightweight battery-powered printer that allows a mobile user to print from a laptop, smartphone, or other mobile device.
Fill in the blank(s) with the appropriate word(s).
In addition to a hardware firewall that protects the network, each wireless device should have its own software firewall installed, sometimes known as a(n) ____.
A. antivirus firewall B. antispyware software C. patch software D. personal firewall