Internet history
- The 1960s working for the US airforce
- 1969 advanced research project agency network (ARPANET) connected to
UCLA(birthplace of the internet)
- 1990 no common language
- 1990 tim berners lee invented a standard language of the internet called hypertext markup
language (HTML)
- HTML is a platform-neutral language which means it will work on all operating systems
like windows, mac os, Linux, and UNIX
- Hypertext
Internet and world wide web
Internet is a “client/ server”
Internet protocol address
- Ip address are a 32 bit number
Domain cods
.com commercial
.edu education
.gov government
Org organization
Net network
Wedbsite
Important aspects of
Content (most important)
Top browser
No best web browser
- Google
- Firefox
- safari
Browser feature
- Bookmarks
- Caching
Chapter 9
- Cookies (text file)
- Graphic files (gif and jpeg)
- Javascript
- Security
- Pop up blockers
- Usability
Internet service providers (ISP)
- Provide a way to access internet
Search engine
- Specific keywords of phrases and returns a list of hits (hyperlinks) that best match the
search criteria
E-Commerce
- Business to business (B2B): businesses selling exclusively to businesses on the web
- Business to consumer B2C): businesses selling exclusively to consumers on the web
- Consumer to consumer (c2c): selling exclusively to consumers on the web
What city was the #1 target?
- Tuscon
- 14 missiles
HTML
- Standard
- Works on all
- Lightweight (small file size)
Browser
- Catches HTML
Database: a collection of facts and figures
Adatabase management system is a tool that optimizes data storage, preserves data quality, and
provides users with efficient access to their data.
SQL- Sequence
Select=what fields (column) you want
From=table
Where= conditions
Order= sorting
Numerics is descending
- newest/highest on top
Distinct
- Use after SELECT when you only want to show each value of the
____ field from the ____ table
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