GEC 2050
The GEC 2050 was an 8-bit minicomputer produced during the 1970s, initially by Marconi Elliott Computer Systems of the UK, before the company renamed itself GEC Computers Limited. The first models were labeled MECS 2050, before being renamed GEC 2050.
The GEC 2050 was commonly used as a Remote Job Entry station, supporting a punched card reader, line printer, system console, and a data link to a remote mainframe computer system, and GEC Computers sold a complete RJE package including the system, peripherals, and RJE software. Another turnkey application was a ticketing system, whose customers included Arsenal Football Club. The system was also commonly used for road traffic control and industrial process automation.
The GEC 2050 supported up to 64KiB of magnetic core memory in 4KiB, 8KiB and 16KiB modules. The system had a single Channel Controller for performing autonomous I/O, and used the same peripheral I/O controllers as the GEC 4000 series minicomputer.
Instruction set
Although CISC, the instruction set is sufficiently simple to be tabulated in its entirety: