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This group covers the development of computer hardware.
It includes:

• development of physical components for personal computers, mainframes and computer peripherals;
• development of circuit boards and hardware assemblies of computing devices; and
• development of multiplexers, computer peripherals and computer accessories.

100601 Arithmetic and Logic Structures
100602 Input, Output and Data Devices
100603 Logic Design
100604 Memory Structures
100605 Performance Evaluation; Testing and Simulation of Reliability
100606 Processor Architectures
100699 Computer Hardware not elsewhere classified

Exclusions:
a) Optoelectronics is included in Group 0205 Optical Physics.
b) Computer software development is included in Group 0803 Computer Software.
c) Integrated circuits developed for other devices are included in Group 0906 Electrical and Electronic Engineering.
d) Modems and computer communication networks are included in Group 1005 Communications Technologies.