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Fragment of an Apple II computer screen, showing the actual pixel data composed of vertical stripes (top) and the resulting colors when seen on an NTSC TV (bottom) Color graphics on the Apple II uses a quirk of the NTSC television signal standard, which made color display relatively easy and inexpensive to implement.
These may also use other aspect ratios by cropping otherwise black bars at the top and bottom which result from cinema aspect ratios greater than 16∶9, such as 1.85 or 2.35 through 2.40 (dubbed "Cinemascope", "21∶9" etc.), while the standard horizontal resolution, e.g. 1920 pixels, is usually kept.
The details that can be distinguished on the television screen. Vertical resolution refers to the number of horizontal black and white lines that can be resolved in the picture height. Horizontal resolution refers to the black and white lines resolved in a dimension equal to the vertical height and may be limited by the video amplifier bandwidth.
The user could "switch in" four lines of text in the Hi-Res mode, just like in Lo-Res mode; however, this hid the bottom 32 lines, resulting in a 280 × 160 picture. The ROM routines could still modify the bottom, even though it was hidden. The Apple II's Hi-Res mode was peculiar even by the standards of the day.
Create filters to make sure your incoming emails go where you want them to. Once you've created a filter, you'll be able to edit or delete it from the same screen. Filters can be deleted by clicking the X next to "Edit." Create a filter. 1. Click Create filter. 2. Enter the parameters of your filter. 3. Click Save. Edit a filter. 1. Mouse over ...
1. Click the Settings Icon. 2. Under "Inbox Spacing," select one of the following options:. - Small - Medium - Large
The higher bandwidth used by 80-column text mode results in random short horizontal lines appearing onscreen (known as "snow") if a program writes directly to video memory during screen drawing. The BIOS avoids the problem by only accessing the memory during horizontal retrace, or by temporarily turning off the output during scrolling.
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