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The original Signetics 2513 character generator chip has 64 glyphs for upper case, numbers, symbols, and punctuation characters. Each 5x7 pixel bitmap matrix is displayed in a 7x8 character cell on the text screen.
Teletext has 40×25 characters per page of which the first row is reserved for a page header. Every character cell has a background color and a text color. These attributes along with others are set through control codes which each occupy one character position. Graphics characters consisting of 2×3 cells can used following a graphics color ...
Apple II Europlus computer with Scandinavian keyboard layout in Helsinki's computer and game console museum. The Apple II series of computers had an enormous impact on the technology industry and expanded the role of microcomputers in society. The Apple II was the first personal computer many people ever saw.
It left the character set largely unchanged, but replaced flashing upper-case text in the character map: 40-5f: MouseText The Apple IIgs worked the same as the Apple //e in 8-bit mode.
It's been about a month since Apple debuted its new iPhone 5s running a 64-bit processor, and there's been a lot of back and forth about the significance of such a chip in mobile devices. To shed ...
An Apple II computer with an external modem. The Apple II (stylized as apple ][) is a personal computer released by Apple Inc. in June 1977. It was one of the first successful mass-produced microcomputer products and is widely regarded as one of the most important personal computers of all time due to its role in popularizing home computing and influencing later software development.
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The Hi-Res mode on the Apple II was also peculiar for its 64:1 interleave factor. This was a direct result of Steve Wozniak's chip-saving design. [ 5 ] The 64:1 factor resulted in a "Venetian blind" effect when loading a Hi-Res screen into memory from floppy disk (or sometimes RAM disk ) with the soft switches already set.