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Topic: Color Graphics Adapter


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In the News (Wed 22 May 19)

  
  Color Graphics Adapter - Open Encyclopedia   (Site not responding. Last check: 2007-08-07)
CGA was commonly considered to be able to display a maximum of 4 colors at a resolution of 320×200; however, there were several ways (some official, some not) to display more colors, even for graphics display purposes.
In 320×200 graphics mode, the background color, which defaulted to fl on mode initialization, could be changed to any of the other 15 colors of the CGA palette.
The CGA card was succeeded by IBM's Enhanced Graphics Adapter (EGA) card, which supported most of the CGA modes, and added modes with up to 640×350 pixels with a software-selectable palette of 16 colors out of 64.
open-encyclopedia.com /CGA   (1897 words)

  
 Color Graphics Adapter - Wikipedia, the free encyclopedia
The Commodore 128 used the same method of transmitting colors on its RGBI output and thus could use the same monitors and display the same 16 colors.
The colors in Composite color mode did not use the same color table as the CGA color set, but was more like that of the Apple II's "double-hi-res" mode, as both used a similar technique (composite signal color artifacting).
The CGA card was succeeded in the consumer space by IBM's Enhanced Graphics Adapter (EGA) card, which supported most of CGA's modes, and added an additional resolution (640×350) as well as a software-selectable palette of 16 colors out of 64 in both text and graphics modes.
en.wikipedia.org /wiki/Color_Graphics_Adapter   (1898 words)

  
 CGA - Color Graphics Adapter
Graphics adapters were then made available such as IBMís CGA which was capable of creating graphics and text in colour at low resolution - 300x200 pixels with 16 colours per pixel possible.
IBM's first color graphics standard, capable of 320 by 320 resolution at four colors (or gray shades on laptops), or 640 by 200 at two colors (fl and white).
An early color graphics adapter standard with resolutions of 320 pixels by 200 pixels or 640 x 200.
www.auditmypc.com /acronym/CGA.asp   (497 words)

  
 * Graphics - (Computing): Definition
Graphics adapter= The hardware inside a computer that enables the computer to display graphics on the screen.
Graphics files are big and most file formats (such as BMP TIFF PICT and PCX) are inefficiently coded so they are larger than they need to be.
Graphic file format that was adopted as a standard by the ITU-T and the ISO.
en.mimi.hu /computing/graphics.html   (1767 words)

  
 Josip Sabic - Byte magazine page
The color pictures accompanying this article were made with a $1000 RGB color monitor, so don't expect such stunning graphics to come from your composite monitor or an ordinary color television.
Color 0 can be any of the 16 colors available, while colors 1 through 3 are set by choosing one of two three-color sets.
The color/graphics adapter card supports two text formats: the first, suitable for color televisions and composite monitors, is 25 rows of 40 characters each, while the second, usable by RGB monitors only, is 25 rows of 80 characters each.
josip.purger.com /hardware/bytemag   (5248 words)

  
 MODE   (Site not responding. Last check: 2007-08-07)
BW80 switches a color graphics adapter and specifies a monochrome display adapter with a display of 80 characters per line.
CO40 switches a color graphics adapter and specifies color display adapter with a display of 40 characters per line.
CO80 switches a color graphics adapter and specifies color display adapter with a display of 80 characters per line.
www.phystechsoft.com /ptshelp/109.html   (364 words)

  
 History Computer Monitors CRT Pixel Resolution Display Video
Just look at the advances made by IBM over the course of a decade: In 1981, IBM introduced the Color Graphics Adapter (CGA), which was capable of rendering four colors, and had a maximum resolution of 320 pixels horizontally by 200 pixels vertically.
The combination of the display modes supported by your graphics adapter and the color capability of your monitor determine how many colors can be displayed.
The colors blend to build all the colors you see.) The frequency at which they redraw the image is called the refresh rate, and it's an important measure of how steady the image will appear.
bugclub.org /beginners/history/MonitorsHistory.html   (1343 words)

  
 Smart Computing encyclopedia Entry - enhanced graphics adapter (EGA)   (Site not responding. Last check: 2007-08-07)
EGA is a graphic standard introduced by IBM in 1984 as a contemporary to the IBM PC AT personal computer.
This standard supplanted the CGA (color graphics adapter) standard, the first IBM color graphics card, which offered fewer colors at lower resolution.
The EGA standard is not missed; users from the 1980s remember the monitors as fundamentally blurry, so much so that many businesses used monochrome or single-color monitors for years to help their workers see the text on-screen.
www.smartcomputing.com /editorial/dictionary/detail.asp?guid=&searchtype=1&dicid=17180&reftype=encyclopedia   (222 words)

  
 TheTechLounge - Graphics Cards Tutorial
A graphics card (also known as a video adapter or video card)is a card that plugs into your computer so your computer can communicate with the monitor.
A lot of times the graphics card had a printer port on it since the printer would print the same data shown on the screen.
Color appeared with the 4 color Hercules Graphics Card (HGC), followed by the 8 color Color Graphics Adapter (CGA) followed by the 16 color Ehanced Graphics Adapter (EGA).
www.thetechlounge.com /forum/printthread.php?t=1768   (483 words)

  
 TheTechLounge - Graphics Cards Tutorial
Graphics cards have several different modes that they will operate under.
Most adapters have their own graphics coprocessor allowing it to perform graphics calculations.
Now that graphics cards have an industry standard you have a choice of a wide variety of cards to choose from.
www.thetechlounge.com /forum/showthread.php?t=1768   (491 words)

  
 How to upgrade your color graphics card
For years, PC users were locked into a dull world of 16 colors while Mac and Amiga owners were free to experiment with thousands and even millions of hues.
Pixel-depth is the term for the number of bits available for the color information of each pixel (a pixel is the smallest dot the video card can display, and it can be only one color at a time).
Graphic artists, multimedia producers, animators, and others who need lots of colors but want to keep their expenses down should turn to high-color, which offers the best combination of colors, resolutions, and price.
www.atarimagazines.com /compute/issue144/S5_How_to_upgrade_your_.php   (979 words)

  
 display modes - a Whatis.com definition - see also: CGA, EGA, VGA, XGA, SVGA, display mode   (Site not responding. Last check: 2007-08-07)
The term display mode refers to the characteristics of a computer display, in particular the maximum number of colors and the maximum image resolution (in pixels horizontally by pixels vertically).
This display system was capable of rendering four colors, and had a maximum resolution of 320 pixels horizontally by 200 pixels vertically.
While CGA was all right for simple computer games such as solitaire and checkers, it did not offer sufficient image resolution for extended sessions of word processing, desktop publishing, or sophisticated graphics applications.
whatis.techtarget.com /definition/0,,sid9_gci211966,00.html   (538 words)

  
 Using the PCjr Color Display with the CGA/EGA
These are the pin assignments for the signals on the PCjr Color Display, and the corresponding pins on a PC Color/Graphics Adapter output connector.
The PCjr Color Display uses a 18 pin 2 row "Berg" connector, with pins on 0.1 inch centers.
In order to be able to use the PCjr display with a regular PC, it is necessary to provide an adapter cable, having a male 18 pin Berg connector at one end, and a male 9 pin D connector at the other.
member.newsguy.com /~ndaskal/pages/cms/jrdsply.html   (625 words)

  
 Color Graphics Adapter (CGA)
The CGA supports several different modes; the highest quality text mode is 80x25 characters in 16 colors.
Graphics modes range from monochrome at 640x200 (which is worse than the Hercules card) to 16 colors at 160x200.
These dots are accessible individually when in a graphics mode but in text each character was formed from a matrix that is 8x8, instead of the MDA's 9x14, resulting in much poorer text quality.
www.pcguide.com /ref/video/stdCGA-c.html   (174 words)

  
 What is CGA? - A Word Definition From the Webopedia Computer Dictionary
Introduced in 1981 by IBM, CGA was the first color graphics system for IBM PCs.
Designed primarily for computer games, CGA does not produce sharp enough characters for extended editing sessions.
CGA's highest-resolution mode is 2 colors at a resolution of 640 by 200.
www.webopedia.com /TERM/C/CGA.html   (110 words)

  
 Ian Fieggen's Site - History of Computer Graphics
When the first personal computers began to appear, their "graphics" capability was generally fairly chunky by today's standards.
The popular TRS-80 computer had a graphics resolution of 128 x 48 dots in fl and white (or amber if you had a trendy low eye strain monitor).
Programmers in those days usually compressed their graphic data in order to squeeze the maximum visual capabilities into the limited program memory of their computers.
www.fieggen.com /ian/g_history.htm   (337 words)

  
 [No title]
The attributes for setting border color may be set on MCGA, but the borders will remain the default color (they cannot actually be set) 4) The IBM Color Graphics Adapter (CGA) is too slow for the screen to be updated before the vertical retrace of the monitor is completed.
IBM's default is to turn the adapter off when it is being updated, ie "flickering" when the display is scrolled.
Interrupt 1Fh Pointer to Graphics Character Extensions (Graphics Set 2) (0:007Ch) This is the pointer to data used by the ROM video routines to display characters above ASCII 127 while in CGA medium and high res graphics modes.
nersp.nerdc.ufl.edu /~esi4161/files/dosman/chap3   (1747 words)

  
 What is video adapter? - A Word Definition From the Webopedia Computer Dictionary
The display capabilities of a computer, however, depend on both the logical circuitry (provided in the video adapter) and the display monitor.
Modern video adapters contain memory, so that the computer's RAM is not used for storing displays.
In addition, most adapters have their own graphics coprocessor for performing graphics calculations.
www.webopedia.com /TERM/v/video_adapter.html   (592 words)

  
 [No title]   (Site not responding. Last check: 2007-08-07)
IBM Color Graphics Adapter (CGA) The original CGA was built with discrete logic around an MC6845 display controller.
On the original CGA and some clones accessing the video memory during the active display time caused the display controller to miss some pixels (seen as "snow"), which is the reason many programs only accesses video memory during vertical or horizontal retrace.
If set the shifts in fore- and background colors by SMARTMAP is limited to the saturation points, if clear the colormapping will be modulo 16 5 Four Grey Scale Bit.
thorkildsen.no /faqsys/docs/cga.txt   (1984 words)

  
 GRAPHICS   (Site not responding. Last check: 2007-08-07)
Use the GRAPHICS command only if you are using a color or graphics adapter.
If the computer is in 320 x 148 x 200 color graphics mode and if the printer type is color1 or graphics, the GRAPHICS command prints the screen contents with as many as four shades of gray.
If the computer is in 640 x 148 x 200 color graphics mode, GRAPHICS prints the screen contents sideways on the paper (landscape orientation).
home.earthlink.net /~rlively/MANUALS/COMMANDS/G/GRAPHICS.HTM   (597 words)

  
 Keystone Community Network - Everyone, Everywhere, Everyday   (Site not responding. Last check: 2007-08-07)
CGA (Color Graphics Adapter) - Type of color graphics card that only supports 640 x 200 resolution and 4 colors.
EGA (Enhanced Graphics Adapter) - Type of color graphics card that improved the CGA standard.
XGA (Extended Graphics Array) - Type of color graphics card from IBM that can provide resolutions of up to 1024 x 768 and 65,536 colors, depending on the monitor and the exact card.
www.kcnet.org /Computer/dictionary.html   (943 words)

  
 Color Graphics Adapter (CGA)   (Site not responding. Last check: 2007-08-07)
If your program writes directly to CGA video memory, it is important to write special code to avoid annoying screen flicker.
EGA, VGA, and SuperVGA are all upwardly-compatible with CGA, supporting all of its modes, I/O ports, and BIOS variables.
Otherwise, its a CGA, EGA, VGA or other compatible color system (video memory is at b800:0).
webpages.charter.net /danrollins/techhelp/0066.HTM   (250 words)

  
 ATC Products
The Raptor 2100 FPS is a fully End-To-End Digital flat panel display subsystem designed for use in high resolution, high performance, color graphics applications such as air traffic management and vessel traffic control.
The Raptor 2500 FPS is a fully End-To-End Digital flat panel display subsystem designed for use in high resolution, high performance, color graphics applications such as air traffic management and vessel traffic control.
The Raptor 1100T is a PCI video graphics adapter which offers software configurable resolutions up to 1920x1200.
www.techsource.com /atc_products.htm   (385 words)

  
 Raptor 2000
The Tech Source Raptor 2000 ultra-high resolution graphics accelerator combines in a single slot PCI card a comprehensive array of high-end display subsystem features that formerly required a box level solution.
The Raptor 2000 is designed for use in ultra high resolution, high performance, color graphics applications such as Air Traffic Management and Vessel Control.
PCI video graphics adapter, 2048 by 2048 color resolution, 12 MB frame buffer, includes DB-5-W5 to 5BNC video cable, operating system specific device driver software and manuals.
www.techsource.com /products/datasheets/rap2000.htm   (318 words)

  
 [No title]   (Site not responding. Last check: 2007-08-07)
*** RSTERM *** RSTERM is a graphics terminal emulator for the IBM-PC (and clones) using either the Color Graphics Adapter (CGA) or the Enhanced Graphics Adapter (EGA).
In addition to providing graphical capability within RS/1, RSTERM provides VT-100 emulation for terminal emulation outside of RS/1, and KERMIT file-transfer protocol for moving files between the PC and the host.
Within RS/1, RSTERM can operate in one of two graphics modes: IBMPC_EGA - when your display is (or emulates) an Enhanced Color Display with an Enhanced Graphics Adapter (EGA).
www-acs.ucsd.edu /offerings/userhelp/COLD/rsterm.readme   (2738 words)

  
 DOS Command: GRAFTABL   (Site not responding. Last check: 2007-08-07)
Used to load the table of displayable characters to those appropriate for the specified country (when in graphics mode using a color/graphics adapter).
After using this command, the ASCII characters 128 through 255 can be displayed in graphics mode with a color/graphics adapter.
The normal code page is set for the United States with versions of MS-DOS sold in the U.S. Using the GRAFTABL command reduces the amount of available memory by 1360 bytes.
www.csulb.edu /~murdock/graftabl.html   (202 words)

  
 PIP   (Site not responding. Last check: 2007-08-07)
The program runs on an IBM/PC with a math coprocessor, hard disk, and either a color or enhanced graphics adapter.
Color/graphics monitor adapter or enhanced color/graphics adapter (enhanced recommended).
Color display or enhanced color display (enhanced recommended).
www.che.utexas.edu /cache/pip.html   (263 words)

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