Multiple Choice
____ can serve as sending and receiving devices in a communications system.
A) Mainframe computers and servers
B) Desktop computers and notebook computers
C) Tablet PCs and PDAs
D) All of the above
Correct Answer:

Verified
Correct Answer:
Verified
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Q165: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX8777/.jpg" alt=" Figure 9-1 As
Q166: _ consists of materials or substances capable