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Rafael Castellanos 9/05/00
HTML Class #2
Review text Elements
and we're going to discuss graphics.
1.- adding text to begin to discuss graphics
2.-software tools needed to build a website:
word processor
graphics design sound editors/recorder
ftp software
graphics design
sound editor/recorder
animation software
browsers
html editor-chami com -(freebie)
dreamweaver
front page
adobe go live
composer
WYSIWIG= what you see is what you get.
Systems/Hardware required to build a webpage:
1.-computer
2.-Server= Computer with a constant conection to the internet, and it typically runs an advanced OS (Operating System) like Unix or Nt
3.-Modem= Modulator/De-modulator=Turns the sound into 1's & 0's into sounds (high pith 1,low pith 0)
4.-Cd ROM
5.-Sound Card
6.-Speaker
RX 4 Rules of computing
1.-save every 15 minutes
2.-save as never save
3.-multiple copies in multiple locations
4.-increment you file names
2 Utilities you should know about
1.- Scandisk
2.- Defrag
Graphics
2 general types of computer graphics:
raster (bitmap) & vector= file collected from a series of dots (bits)
vector=lines & points and objects ex. CADD file
Color Depht= high or true color (R GB)
Index
256 colors or less
128 colors
64 color
32 color
16 color
8 colors
4 color
2 color
Grey scale can be either RGB or index
2 types of graphics files can be used on the web gif& jpg
GIF : 3 varieties
1.- standar old gif
2.-animated.gif
3.-gif 89A = one color or many color can makes one color transparent compound
Speed of download;
what goes into download speed
1.- text
2.- code
3.- graphics (size)
4.- graphics (pallete)
5.- animation
6.- subsidiary files/frames
7.-connex speed
8.-www.speed
9.- modem/ISP speed
This is an example of a GIF graphic:
This is an example of jpg graphic:
This is an example of a GIF 89a: (one transparent color at least)
This is an example of an animated GIF: (series of frames)
DPI= dots per inch (resolucion) 72DPI per web resolution
To change the background of this page:\
Click left side of the mouse, then page properties, then background.