internet makes people antisocial
the www's hardware
sender and receiver are active at the same time (telephone)
1 sender, many receivers
many receivers, but not whole population
opposite of broadcasting
Transmission Control Protocol describes how packets are sent across the Internet.
small chunk of data
dell.com instead of 188.8.131.52
software that crawls the web, follows links from one page to another while noting the content of each page crawled
software that examines search terms and uses indexes of pages related to those terms
find out the content of web pages and answer search requests (queries)
small chunk of data with determined destination
local networks that support communication within an organization
legit sites have
physical existence, expertise, clarity, currency, and professionalism
standard bit sequence for characters
whether a number is even or odd
control, alt, shift. not tab.
name for 2 fundamental patters of digital information based on the presence and absence of a phenomenon. Presence and Absence
root name servers
keep the master list of all of the name-to-address translations (IP to DNS)
wide area network, designed to send info between 2 locations widely separated and not directly connected
connected to the internet, capable of broadcasting and receiving signals which the mobile computers can also send and receive
hierarchy of related computers on a network
computers on the same level of a domain name
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