floating-point operation, flop - an arithmetic operation performed on floating-point numbers; "this computer can perform a million flops per second"

operation - (computer science) data processing in which the result is completely specified by a rule (especially the processing that results from a single instruction); "it can perform millions of operations per second"

retrieval - (computer science) the operation of accessing information from the computer's memory

storage - (computer science) the process of storing information in a computer memory or on a magnetic tape or disk