'''Virtual instrument software architecture''', commonly known as ('''VISA''',) is a widely used [[Input/output|I/O]] [[Application programming interface|API]] in the test and measurement (T&M) industry for communicating with [[Measuring instrument|instruments]] from a computer. VISA is an [[Technical standard|industry standard]] implemented by several T&M companies, such as, [[Anritsu]], [[Bustec]], [[Keysight Technologies]], Kikusui, [[National Instruments]], [[Rohde & Schwarz]], and [[Tektronix]].
The VISA standard<ref name="VISA Specification">{{cite news |url=http://www.ivifoundation.org/specifications/default.aspx
