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Chapter 2 (A) Technology Infrastructure by Mind Map: Chapter 2 (A) Technology Infrastructure
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Chapter 2 (A) Technology Infrastructure

Internet

Large system

interconnected computer networks

Used for communication

email

Discussion groups

gaming

purchasing products/services

Web

subset of computers on the internet

specially connected

Contents accessible to each other

Easy to use standard interface

History-Internet

1960's-Department of defense

1969-ARPA-Acidemic/Research-

ARPANET=INTERNET

1972-e-mail

1979-Usenet

now called newsgroups

1980's-widespread use in business

1989-NSF permits commercial email

MCI Mail

CompuServe

1990's personal Internet use growing

1995-Internet becomes privatized

Networks

NAPs-Network access providers

ISPs-Internet service providers

LAN-Local area network

WAN-Wide area network

Internet uses Packet-switched

Routing, Routing Algorithms

WWW

1945-Memex

1960's-hypertext

1991-hypertext server=Web servers

HTML-Hypertext Markup Language, GUI

Hyperlink

Web browser

Microsoft Internet Explorer

Mosaic-first web browser for the public=Netscape

Internet Protocols

rules for

Formatting

ordering

error checking across a network

Closed architecture-

different computers w/different protocols can't connect together

Open architecture

common protocol

Gave the Internet its sucess

Two types

TCP-Transmission Control Protocol, disassembles for transmission

IP-Internet Protocol, addressing details

Domain Names

TLD-Top level domain

rightmost part

sTLD-Sponsored top level domain

Email

Software

Outlook

Mozilla

Netscape

Protocols

SMTP-Simple mail transfer protocol

POP-Post office protocol, MIME-Multipurpose Internet mail extensions

IMAP-Interactive mail access protocol

Spam

UCE-Unsolicited commercial email

bulk mail