A new standard in the series, ISA-62443-4-2, Security for Industrial Automation and Control Systems: Technical Security Requirements for IACS Components, provides the cybersecurity technical ...

It was however attempted to standardize a replacement for ISA in the form of Extended ISA (EISA). Created in 1988, this featured a 32-bit bus, running at 8.33 MHz.

An Instruction Set Architecture (ISA) defines the software interface through which for example a central processor unit (CPU) is controlled. Unlike early computer systems which didn’t define … ...