This process was sometimes called linkage editing and the output known as a load module. A compiler works with what are sometimes called 3GL and higher-level languages. An assembler works on programs written using a processor's assembler language.
In general, however, when between vowels (as in exactamente) the Spanish x is pronounced like the English ks sound but softer or less explosive. When it comes before another consonant (as in expediciÃ³n), it has the s sound in some regions/countries but the soft ks sound in others.
XER can stand for: 1  XER-AM, a radio station in the 1930s in Villa AcuÃ±a, Mexico. 2  XER-AM (now XHR-FM), a radio station in Linares, Nuevo LeÃ³n, Mexico. 3  XML Encoding Rules, a set of ASN.1 encoding rules for formatting data in XML.  The ICAO Code for Xerox Corporation, United States.