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The blocky, but fast and colorful Lo-Res graphics mode (often known as GR after the BASIC command) was 40 pixels wide, corresponding to the 40 columns on the normal Apple II text screen. This mode could display either 40 rows of pixels with four lines of text at the bottom of the screen, or 48 rows of pixels with no text.
160 cycles of the NTSC color clock occur during each line's output, so in 40 column mode each pixel occupies half a cycle and in 80 column mode each pixel uses a quarter of a cycle. Limiting the character display to the upper one or two scanlines, and taking advantage of the pixel arrangement in certain characters of the codepage 437 , it is ...
PDF/X-5pg: An extension of PDF/X-4p that enables the use of external graphical content in conjunction with a reference to an external ICC Profile for the output intent. PDF/X-5n: An extension of PDF/X-4p that allows the externally supplied ICC Profile for the output intent to use a color space other than Grayscale, RGB and CMYK.
The Apple 80-Column Text Card is an expansion card for the Apple IIe computer to give it the option of displaying 80 columns of text instead of 40 columns. Two models were available; the cheaper 80-column card has just enough extra RAM to double the video memory capacity, and the Extended 80-Column Text Card has an additional 64 kilobytes of RAM, bringing the computer's total RAM to 128 KB.
PDF/UA (PDF/Universal Accessibility), [1] formally ISO 14289, is an International Organization for Standardization (ISO) standard for accessible PDF technology. A technical specification intended for developers implementing PDF writing and processing software, PDF/UA provides definitive terms and requirements for accessibility in PDF documents and applications. [2]
“I first met Brian Peck four years ago while working together on a television show. We instantly became friends, which seems to be a common response to meeting Brian,” the comedian, 41, wrote ...
Interactive Forms is a mechanism to add forms to the PDF file format. PDF currently supports two different methods for integrating data and PDF forms. Both formats today coexist in the PDF specification: [38] [53] [54] [55] AcroForms (also known as Acrobat forms), introduced in the PDF 1.2 format specification and included in all later PDF ...
Using the first color set, alternating columns of green and black pixels are not distinct and appear as a muddy green color. However, switching to a white and black color set, instead of a muddy gray as expected, the result is either orange or blue.