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9/5/00
html class # 2
Review ( notes for creating a web page)
SYSTEMS/HARDWARE required to build a web page
1. computer
2. server ( Computer with a constant connection to the www typically runs an advanced OS ( like UNIX/NS)
3. modem
4. CDROM
5. sound card
6. speaker
RX Rules of computing
1. Save every 15 min.
2. Save as never save
3. multiple copies in multiple places
4. increment your file names
Graphics
2 general types of computer graphics
1. Vector - lines, points, and objects ( ex. CADD file )
2. Raster ( bitmaped)- file collected from a series a dots
Depth color
High or true color -JPG
32M - 24M - 16M
Indexed colors - GIF
256
128
64
32
16
8
4
2
Grey scale can be either RGB or index
GIF ( 3 varieties )
1. Standard old GIF
2. Animated GIF
3. GIF 89A( Has a transparent component)
---ALL GRAPHIC FILES ARE SQUARE OR RECTANGLE---
Speed of Download-
What goes into Download speed
1. Text
2. Code
3.Graphics size
4.Graphics palette
5. Animations
6. Subsidiary files/frames
7. Connex speed
8. www speed
9. modem/ ISP speed
GIF ANIMATION
GIF89A
GIF
JPG would be used during simple things such as graphs and simple drawings.
GIF would be used when something needs a lot of color.
To change the background, you must save the background to the floppy, then go back to where you want the background right click, page properties, click background, browse, select file name, and click ok.