• 1959

Hardware Description

NEC completed the 542 magnetic tape unit in May 1959, and delivered it to the Japanese Electronic Industry Development Association (JEIDA) together with the first production unit of the NEAC-2203. This magnetic tape unit was used for the NEAC-2203 and the NEAC-1103, which was an improved version of the NEAC-1102 (SENAC-1).