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25 terms

CIS 110 Midterm 1

STUDY
PLAY
displacement effect
internet makes people antisocial
internet
the www's hardware
synchronous communication
sender and receiver are active at the same time (telephone)
Broadcast
1 sender, many receivers
multicast
many receivers, but not whole population
point-to-point
opposite of broadcasting
TCP
Transmission Control Protocol describes how packets are sent across the Internet.
packet
small chunk of data
domain name
dell.com instead of 143.166.83.38
crawler
software that crawls the web, follows links from one page to another while noting the content of each page crawled
query processing
software that examines search terms and uses indexes of pages related to those terms
search engines
find out the content of web pages and answer search requests (queries)
IP packet
small chunk of data with determined destination
intranet
local networks that support communication within an organization
legit sites have
physical existence, expertise, clarity, currency, and professionalism
ASCII
standard bit sequence for characters
byte
8 bits
Parity
whether a number is even or odd
escape key
control, alt, shift. not tab.
PandA
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)
WAN
wide area network, designed to send info between 2 locations widely separated and not directly connected
hub
connected to the internet, capable of broadcasting and receiving signals which the mobile computers can also send and receive
domain
hierarchy of related computers on a network
peers
computers on the same level of a domain name