ch 4

The function of _____ is to convert digital signals to analog signals and vice-versa.

modems

n order to ensure that computers developed by different manufacturers can communicate, _____ have been developed.

protocols

Which of the following is not a characteristic of twisted-pair wire?

secure transmissions

In a _____ system, participants are able to seamlessly and electronically share data, voice, images, graphics, and animation.

telepresence

Which of the following is not a component of a local area network?

Bridge

Alice runs a music store. She has a desktop computer in the back room that acts as a server. She has a point-of-sale terminal that connects to the desktop. She also has a notebook (using in-store wireless access to the Internet) that can be carried around the store to look up current items in stock, or to search for items from one of his suppliers for special orders. Which of the following statements is true?

Gal must have an ISP in order to access the Internet from his notebook.

A(n) _____ connects two or more devices in a limited geographical area.

Local Area Network

Consider this domain name, www.business.gsu.edu. The "edu" is the

Top Level domain

type of processing that links two or more computers in an arrangement in which some machines provide computing services for user computers is best described as

client/server

The cable medium with the highest bandwidth is

fiber optic cable