The ACM Computing Classification System (1991) K. Computing Milieux K.0 GENERAL K.1 THE COMPUTER INDUSTRY K.2 HISTORY OF COMPUTING K.3 COMPUTERS AND EDUCATION K.4 COMPUTERS AND SOCIETY K.5 LEGAL ASPECTS OF COMPUTING K.6 MANAGEMENT OF COMPUTING AND INFORMATION SYSTEMS K.7 THE COMPUTING PROFESSION K.8 PERSONAL COMPUTING K.m MISCELLANEOUS