G06F3/00
Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
G06F3/00
Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
G06F3/01
Input arrangements or combined input and output arrangements for interaction between user and computer
G06F3/01
Input arrangements or combined input and output arrangements for interaction between user and computer
G06F3/02
Input arrangements using manually operated switches, e.g. using keyboards or dials
G06F3/02
Input arrangements using manually operated switches, e.g. using keyboards or dials