High Quality Content by WIKIPEDIA articles! The NEC PC-100 was a Japanese home computer available on October 13, 1983. It operated on 8086 CPU 7 MHz, 128KB RAM, 128KB VRAM, a Japanese language capable keyboard and a two button mouse. It had three models and its color monitor, PC-KD651, which could be used vertically or horizontally, had the price tag of 198,000 yen. Its biggest advantage over other computers of that time was its high graphical capability of 720 by 512 with a selection of 16 color out of 512 color available on its high end model30. Its OS was MS-DOS and was also equipped with a spreadsheet program Maruchipuran (Multiplan) and a text editor JS-WORD as well as the game Lode Runner.