The radio frequency spectrum is divided into over 450 different sections or ____.
A. bands
B. amplitudes
C. wavelengths
D. heights
Answer: A
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Which of the following statements about the ARPANET and the Internet is false?
a. The ARPANET was the precursor to today’s Internet. b. Today’s fastest Internet speeds are on the order of millions of bits per second with billion-bits-per-second (gigabit) speeds already being tested. c. Although the ARPANET enabled researchers to network their computers, its main benefit proved to be the capability for quick and easy communication via what came to be known as electronic mail (e-mail). d. The protocol (set of rules) for communicating over the ARPANET became known as the Transmission Control Protocol (TCP). TCP ensured that messages, consisting of sequentially numbered pieces called packets, were properly delivered from sender to receiver, arrived intact and were assembled in the correct order.
____________________ to a computer opens your user account and makes the computer available for use.
Fill in the blank(s) with the appropriate word(s).
The item marked 2 in the accompanying figure is an example of the ____ style.
A. groove B. ridge C. dotted D. outset
An educational institution may disclose which of the following pieces of information about its students as directory information?
A. Sexual orientation B. Social security number C. Address D. Income