Four-rule algorithm with one-bit input and one-bit output can test machine and human understanding {Prediction Algorithm Test of Understanding}.
test
For random input and output trials, check the following.
If input is ON and output is ON, input stays ON and output stays ON.
If input is ON and output is OFF, input stays ON and output becomes ON but then goes OFF.
If input is OFF and output is ON, input becomes ON and output becomes OFF but then goes ON.
If input is OFF and output is OFF, input stays OFF and output stays OFF.
Machines or people observe trials until they learn the four rules. After that, can people or machines make switches stay OFF or ON by setting input and output?
test alternate
Alternatively, input characters in medium become one switch, with OFF and ON positions. Output characters in medium become one switch, with OFF and ON positions. System has first circuit with solar cell, input switch run by second solenoid, and solenoid. System has second circuit with solar cell, output switch run by first solenoid, and solenoid.
When first-circuit switch is ON and second switch is ON, first solenoid switches second switch ON, and second solenoid turns first switch ON, so both switches stay ON.
When first-circuit switch is ON and second switch is OFF, first solenoid switches second switch ON, and second solenoid turns first switch ON, so both switches stay ON.
When first-circuit switch is OFF and second switch is ON, first solenoid switches second switch OFF, and second solenoid turns first switch OFF, so both switches stay OFF.
When first-circuit switch is OFF and second switch is OFF, first solenoid switches second switch OFF, and second solenoid turns first switch OFF, so both switches stay OFF.
In sun, switches can be OFF or ON; but in shade, both switches can only be OFF. Outside force is what switches first switch ON or OFF, with no cause or effect from otherwise-isolated system.
Outside detector uses reflected light from sun to measure switch position, with no cause or effect from otherwise-isolated system.
Time interval from first-switch setting to second-switch final position is less than one unit. Outside force sets first switch at time 0, and detector then measures second-switch position at time 1 unit.
properties
Seemingly, experiment conditions are complete as to hardware, mechanism, and possible events. Inputs and outputs are precise in physical form. Process algorithm is in system and has precise rules. System hard-wired computer program transforms input to output.
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Date Modified: 2022.0224