(Video: Social Networking in plain english)
Clarke's Law
- elderly scientist is possible he is right but if he says something is wrong he could be wrong
- GCS: satelites around the earth that can communicate with eachother
Types of Networks
network: is any system of 2 or more comps that are linked together
LAN: comps are physically close usually in the same building
wireless network: each node has a tiny radio transmitter connected to its network port.
MAN: links 2 or more LANs in a city
WAN: extends over a long distance
Routers: hardware devices or software programs that route messsages as they travel b/t networks
Mesh networks: an alternative to todays's networks rely on centralized routers
GPS (Global Positioning System)
-24 satelites that travel around the world that help determine positions.
ATM(Automated Teller Machine)
-a specialized
NIC( Network Interface)
-permits direct network connection
-controls the flow of data
-adds additional series of port to comp
Modem: a hardware device that connects a coms serial port to a telephone line
Broadband connection: a connection with much greater bandwidth than modems have
- DSL
- cable
- high-speed wireless
- satelite
Wireless Newtwork Technology
WiFi
lightening-fast network
Bluetooth: type of wireless tech
--->
PAN (personal area network): a network that links varieeties of personal electronic devices so they can communicate with each other
Protocol: communication software
NOS: system handles comm among many workstations
Networks are...
- more efficient
- more productive
- powerful
- exchange data
- cheap
Newsgroup:
- notes
- listserv mail
- mailing list messages
Voice mail: uses CTI (comp telephony integaration)
(Video: Is Social Networking a Fad? (Refresh))
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