2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/89281In this paper a system-oriented formalism of Quantum Information Processing is presented. Its form resembles that of standard signal processing, although further complexity is added in order to describe pure quantum-mechanical effects and operations. Examples of the application of the formalism to quantum time evolution and quantum measurement are given.15 pagesQuantum Physicstext