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The main board contains: a Motorola 68000 running at 7.5 MHz, or a 68010 running at 15 MHz. 512 kibibytes of Dynamic RAM; between 64 kibibytes and 256 kibibytes of ROM; on board bit mapped colour graphics (no "text" mode), with timing provided by a Motorola 6845 CRT controller. The video could produce 320x200 in 16 colours, or 640x200 in a ...
Nascom 2 kits were initially provided with NAS-SYS 1 in masked ROM (the photo shows that at least two date-codes exist for these ROMs). NAS-SYS 1 was the only Nascom monitor ROM to be supplied as masked ROM; all other versions were supplied as EPROMs. All of the debug monitors provided similar capabilities, with different levels of sophistication:
The system went on sale soon after at a price of $199 for the kit version. As reviews of the era noted, an Altair compatible machine equipped with a keyboard, the VDM-1, and an appropriate monitor (from Radio Shack ) cost less than a typical smart terminal of the era.
The VT100's internal layout can be split into two boards for functionality, not including the VT100's optional boards you can purchase. There is a board called the video monitor board which is used for things like adjusting the CRT on the terminal itself. This board is responsible for adjusting the CRT in the case that the electron beam is ...
Like OLED, microLED offers infinite contrast ratio, but unlike OLED, microLED is immune to screen burn-in, and consumes less power while having higher light output, as it uses LEDs instead of organic electroluminescent materials, The list of MicroLED display manufacturers:
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Block diagram of a NEC μPD7220 graphics display controller. A video display controller (VDC), also called a display engine or display interface, is an integrated circuit which is the main component in a video-signal generator, a device responsible for the production of a TV video signal in a computing or game system.
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