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MIS - preFinal Examination

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1.
2 points
– Solves 2 main problems, lack of responsiveness in centralized
processing & lack of coordination in decentralized processing
2.
2 points
Seven layer architecture for defining how data is transmitted
3.
2 points
– Loss of power in a signal as it travels from the
sending device to the receiving device
4.
2 points
– Provide a physical path along which signals are transmitted
– Include twisted-pair cable, coaxial cable, and fiber optics
5.
2 points
• Connects workstations & peripheral devices that are in
close proximity
6.
2 points
use same cable connected to TVs for
internet connections & can transmit about 16Mbps.
7.
2 points
• No host computer is required
• Each computer manages its own connectivity
8.
2 points
– Device that connects a user to the Internet
– Not required for all Internet connections
9.
2 points
use same cable connected to TVs for
internet connections & can transmit about 16Mbps.
10.
2 points
Common carrier service, a highspeed service that uses ordinary
phone lines. Receives data up to 7.1Mbps & sends around 1Mbps.
11.
2 points
– Use an antenna for transmitting data through
air or water
– Some work based on “line of sight”
– Include broadcast radio, terrestrial microwave,
and satellite
12.
2 points
– Rules that govern data communication, including error detection, message length, and transmission speed
13.
2 points
– Multiple pieces of data are sent
simultaneously to increase the transmission
rate
14.
2 points
– Each user, department, or division has its own
computer for performing processing
15.
2 points
• Communication for multiple organizations in a
city and sometimes nearby cities
• Data transfer speed varies from 34Mbps155Mbps
16.
2 points
Amount of data that can be transferred from
one point to another in a certain time period
17.
2 points
– Hardware component that enables computers to communicate over a network
18.
2 points
• Span several cities, states, or even countries
• Owned by different parties
19.
2 points
• Central computer & a series of nodes
20.
2 points
– Processing is done at one central computer
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