Color Monitor

(n.) A display monitor capable of displaying many colors. In contrast, a monochrome monitor can display only two colors — one for the background and one for the foreground. Color monitors implement the RGB color model by using three different phosphors that appear red, green, and blue when activated. By placing the phosphors directly next to each other, and activating them with different intensities, color monitors can create an unlimited number of colors. In practice, however, the real number of colors that any monitor can display is controlled by the video adapter.

Color monitors based on CRT technology employ three different techniques to merge phosphor triplets into pixels:

  • Dot-trio shadow masks place a thin sheet of perforated metal in front of the screen. Since electrons can pass only through the holes in the sheet, each hole represents a single pixel.
  • Aperture-grille CRTs place a grid of wires between the screen and the electron guns.
  • Slot-mask CRTs uses a shadow mask but the holes are long and thin. It’s sort of a cross between the dot-trio shadow mask and aperture-grill techniques.
  • Recommended Reading: Webopedia’s The Science of Color.

    Webopedia Staff
    Since 1995, more than 100 tech experts and researchers have kept Webopedia’s definitions, articles, and study guides up to date. For more information on current editorial staff, please visit our About page.

    Top Articles

    The Complete List of 1500+ Common Text Abbreviations & Acronyms

    From A3 to ZZZ we list 1,559 SMS, online chat, and text abbreviations to help you translate and understand today's texting lingo. Includes Top...

    Windows Operating System History & Versions

    The Windows operating system (Windows OS) refers to a family of operating systems developed by Microsoft Corporation. We look at the history of Windows...

    How to Create a Website Shortcut on Your Desktop

    Website Shortcut on Your Desktop reviewed by Web Webster   This Webopedia guide will show you how to create a website shortcut on your desktop using...

    Generations of Computers (1st to 5th)

    Reviewed by Web Webster Learn about each of the 5 generations of computers and major technology developments that have led to the computing devices that...

    Blockchain

    Blockchain is one of the core technologies behind cryptocurrency. Blockchain is a system...

    Cached Data

    Cached data is designed to improve the user experience when browsing the internet...

    CCTV (Closed-Circuit Television)

    A CCTV or closed-circuit television is a system of interconnected cameras that capture...