42 DESIGN, DEVELOPMENT AND MAINTENANCE OF COMPUTER PROGRAMS, TESTING AND RESEARCH OF COMPUTERS, INCLUDING CENTRAL PROCESSING UNITS, ELECTRONIC CIRCUITS AND MAGNETIC DISK PRE-RECORDED COMPUTER PROGRAMS AND OTHER PERIPHERAL EQUIPMENT AND COMPUTER PROGRAMS; RENTAL AND LEASING OF COMPUTERS, COMPUTER PROGRAMS; RENTAL AND LEASING OF COMPUTERS, INCLUDING CENTRAL PROCESSING UNITS, ELECTRONIC CIRCUITS, MAGNETIC TAPES AND MAGNETIC DISK PRE-RECORDED COMPUTER PROGRAMS, AND OTHER PERIPHERAL EQUIPMENT; RESEARCH, ANALYSIS AND CONSULTATION REGARDING COMPUTERS, INCLUDING CENTRAL PROCESSING UNITS, ELECTRONIC CIRCUITS, MAGNETIC TAPES AND MAGNETIC DISK PRE-RECORDED COMPUTER PROGRAMS AND OTHER PERIPHERAL EQUIPMENT, AND COMPUTER PROGRAMS; DESIGN OF COMPUTERS, INCLUDING CENTRAL PROCESSING UNITS, ELECTRONIC CIRCUITS, MAGNETIC TAPES AND MAGNETIC DISK PRE-RECORDED COMPUTER PROGRAMS AND OTHER PERIPHERAL EQUIPMENT THROUGH COMMUNICATION BY COMPUTER TERMINALS; PROVIDING INFORMATION REGARDING THE DESIGN OF COMPUTERS, INCLUDING CENTRAL PROCESSING UNITS, ELECTRONIC CIRCUITS, MAGNETIC TAPES AND MAGNETIC DISK PRE-RECORDED COMPUTER PROGRAMS AND OTHER PERIPHERAL EQUIPMENT; PROVIDING INFORMATION REGARDING THE DESIGN, DEVELOPMENT AND MAINTENANCE OF COMPUTER PROGRAMS; DESIGN OF COMPUTER SOFTWARE AND HARDWARE NETWORKS; RESEARCH, ANALYSIS AND CONSULTATION REGARDING THE DESIGN, CONSTRUCTION, MAINTENANCE AND OPERATION OF COMPUTER NETWORKS; CUSTOM CONFIGURATION OF COMPUTER HARDWARE ENVIRONMENTS AND LEVEL OF FUNCTIONS AND CAPABILITIES, INCLUDING CENTRAL PROCESSING UNITS, ELECTRONIC CIRCUITS, MAGNETIC TAPES AND MAGNETIC DISK PRE-RECORDED COMPUTER PROGRAMS AND OTHER PERIPHERALS, AND COMPUTER PROGRAMS; CONSULTATION REGARDING THE DESIGN, DEVELOPMENT AND MAINTENANCE OF COMPUTER PROGRAMS; CONSULTATION REGARDING THE DESIGN, DEVELOPMENT AND MAINTENANCE OF COMPUTER SYSTEMS; CONSULTATION REGARDING THE DESIGN OF COMPUTERS, INCLUDING CENTRAL PROCESSING UNITS, ELECTRONIC CIRCUITS, MAGNETIC TAPES AND MAGNETIC DISK PRE-RECORDED COMPUTER PROGRAMS, AND OTHER PERIPHERAL EQUIPMENT