Design Features of the ERA 1101 Computer [includes discussion]

The ERA 1101 computer is a singleaddress binary-system parallel computer using magnetic drum memory. The word length is 24 binary digits, equivalent to seven decimal digits plus sign. The logic is quite conventional. A machine instruction consists of an operation code plus one execution address. The execution. address usually specifies the location of an operand or the place where a result is to be stored. There are a total of 38 different operations possible. Various design considerations are detailed.