Line color

On early hobbyist computers, tricks like this were commonly used in the horizontal refresh interrupt to reprogram the scan line address to repeat each scan line 4 times for the video controller.

Set here the color of the line.

Set here the color of the first line.

Set here the color of the second line.

Maintaining the same number of scan lines per field (and frame), the lower line rate must yield a lower field rate.

Scan

So the engineers chose the line frequency to be changed for the color standard.

In more severe cases a computerized tomography scan (CAT scan) or Magnetic resonance imaging scan (MRI) will be taken.

Scan Folder

Scan Albums

Scan Remote Folder

Preparing collection scan

The introduction famously proclaimed that ... the problem of the Twentieth Century is the problem of the color line.

Scan for New Images

Now, I had this brain scan done several years ago, and I used to joke around about having a gigantic Internet trunk line going deep into my visual cortex.

This shows the progress of the scan. During the scan, all files on disk are registered in a database.

They scan each individual X ray.

Each frame is composed of two fields, each consisting of 262.5 scan lines, for a total of 525 scan lines.

The source of this color is ISCC NBS Dictionary of Color Names (1955) Color Sample of Wine (color sample 16).

Color

Color

The orangey yellow color is the real color of the sky.

color chooser

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