VGA l2 2 Card màn hình asus 2

VGA L2-2 Training Materials
Basic Knowledge

CCER2-2
VER 1.2
ASUS Confidential


VGA Introduction Overview
1.

Image Basic --------------------------------P3~P26

2.

Graphics Card Component -------------P27~P36

3.

Interface ------------------------------------P37~P57

4.

VGA Products -----------------------------P58~P59

5.

Structure Explaining----------------------P60~P65

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VGA Introduction

1. Image Basic

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Equipment
Image acquisition

Image display

Computer
system

Image storage
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Sampling
Analog to Digital(signal)

Sampling Pixel

Analog signal

Digital signal

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Sampling
Analog to Digital(image)

Sampling Pixel

(a) Analog Frame

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(b) Digital Frame


Frame and Pixel
24
Pixel

20

row
24×20
column
Frame
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Pixel

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Color Format
RGB
-R (Red)
-G (Green)
-B (Blue)

If R=G=B
Gray level image
R=G=B=0
Black
R=G=B=1
White

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Color Image
Color Images
- R frame

- G frame
- B frame

+

+
R frame

G frame

B frame

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Color Image
R Frame

G Frame

B Frame

R,G,B
3 gray-scale image
B
R

G

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Image File Format
BMP(Windows Bit MAP)
-Microsoft
-2(1 bit) ~ 16777216(24 bits) colors
GIF(Graphics Interchange Format )
-1987, CompuServe
-256 ~ 16777216 colors
-PC, UNIX (Workstation), MAC,….
-Lossless compression
JPEG or JPG (Joint Photographic Experts Group )
-Loss compression

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Colors and Pixel
-4 bit:
16 colors
-8 bit
256 colors
-16 bit
65536 colors
-24 bit, 32 bit
16777216
colors

640×480
800×600
1024×768
1152×864
1280×1024
1600×1200

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Colors

24 bits
224=16777216

16 bits
216=65536
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Colors

4 bits
24=16

8 bits

28=256
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Resolution

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Resolution Table
Review of Display Resolution
Resolution Name
Pixel Resolution
Video Graphics Array(VGA)
640x480
Super VGA (SVGA)
800x600
Extended Graphics Array (XGA)
1024x768
1280x960
Super XGA (SXGA)
1280x1024
Ultra XGA (UXGA)
1600x1200
High-Definition TV (HDTV)
1920x1080
1920x1200
1920x1440

Quad XGA (QXGA)
2048x1536
Quad Super XGA (QSXGA)
2560x2048

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Resolution

640×480

1024×768

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800×600


Resolution

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Refresh Rate

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Glossary
API(Application Programming Interface)
Open GL(Open Graphics Library)
DirectX
Twin View

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API
API(Application Programming Interface)
-Graphics library interface
-Don’t care hardware
-3D software hardware(Graphic chip)
-DirectX, Open GL, Glide,…..

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Open GL
Open GL
-(SGI)Silicon Graphics Inc.
-2D & 3D API
-Windows, Unix, OS/2
-120 libraries(functions)

zoom in,zoom out, rotate, fog,………

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DirectX
DirectX
-Microsoft Platform
-Game, multimedia
-Direct Draw:Video interface
-Direct 3D: 3D images
-Direct Input:Joystick
-Direct Play:Internet, communication
-Direct Setup:Install, setup

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DirectX
DirectX 7
DirectX 8
DirectX 9
DirectX 10
DirectX 11

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