/ ˌɑːpəˈreɪʃn̩ koʊd /
Množina reči operation code je operation codes.
The portion of a machine language or assembly language instruction that specifies the type of instruction and the structure of the data on which it operates. Also called: opcode. See also assembly language, machine code.
The portion of a set of operation descriptions that specifies the operation to be performed; the set of operations in a computer; SYN. order code.