Unit prefix on Units, considers the chances of official adoption to be remote. The prefix "geop" and term "geopbyte" has been used in the tech industry to refer to 10 bytes following "brontobyte". The ascending prefixes "tera" (), "peta" (), "exa" (), "zetta" (), and "yotta" () are based on the Greek-derived numeric prefixes "tetra" (4), "penta" (5), "hexa" (6), "hepta" (7), and "octa" or "octo" (8). In addition, the final letters of the alphabet, "z" and "y", appear in the largest SI prefixes, "zetta" and "yotta". Similarly, the descending prefixes "zepto" () and "yocto" () are derived from either Greek "hepta"
Nissan EXA in 1987 and 1.8-liter CA18DE in 1988–1989). The EXA/Pulsar NX was replaced in 1991 with the Nissan NX coupé. Engines offered in the Pulsar NX: 1987 1988 1989 1990 Nissan EXA The Nissan Pulsar EXA and Nissan EXA are automobiles manufactured and marketed by Nissan Motor Company from 1982 to 1986 and from 1986 to 1990 respectively. The first generation model was internally designated as the N12 series and was marketed in Japan at "Nissan Cherry Store" locations as the Pulsar EXA, and at "Nissan Prince Store" outlets as the Langley EXA. The second generation EXA was designated as the