The ACM Computing Classification System (1991)

B.4 input/output and data communications

• B.4.0 General
• B.4.1 Data Communications Devices
• B.4.2 Input/Output Devices
• B.4.3 Interconnections (subsystems)
• B.4.4 Performance Analysis and Design Aids
• B.4.5 Reliability, Testing, and Fault-Tolerance
• B.4.m Miscellaneous