Chile Miguel Carrera (one of the most renowned patriots) and his two brothers Juan José and Luis Carrera, soon gained a wider following. Spanish attempts to re-impose arbitrary rule during what was called the Reconquista led to a prolonged struggle, including infighting from Bernardo O'Higgins, who challenged Carrera's leadership. Intermittent warfare continued until 1817. With Carrera in prison in Argentina, O'Higgins and anti-Carrera cohort José de San Martín, hero of the Argentine War of Independence, led an army that crossed the Andes into Chile and defeated the royalists. On 12 February 1818, Chile was proclaimed an independent republic. The political revolt
AN/GYK-12 has a "privilege level", which controls the operations it is allowed to perform. Level '00'b is used for non-privileged programs. Level '01'b programs are "semi-privileged". Level '10'b programs are privileged and can execute all instructions and I/O operations. Level '11'b is unused. The system uses Sylvania Universal High Level II Integrated Circuits (SUHL II), manufactured by Collins Radio, Honeywell, Raytheon and Motorola Semi-Conductor Division. AN/GYK-12 The AN/GYK-12 is an obsolete 32-bit minicomputer developed by Litton Industries for the United States Army. The AN/GYK-12 is a militarized version of the L-3050 computer ruggedized for use in the TACFIRE tactical fire direction