You don't 'send input' to a function, you pass parameters. There are functions without parameters, 'getpid' for example.
It is the set which comprises the inputs to a function.
domain
That would be the domain.
the domain of the function
There are two sets for any given function, the domain and the range. The range is the set of outputs and the set of inputs is the domain.
physical inputs to physical outputs
They can be any values in the domain of the function.
rule
one that has inputs that the PS3 can be connected to with either optional or original PS3 connection cables
An instruction is a command to the CPU to perform one processing function on one or two data inputs.
There are two sets for any given function, the domain and the range. The range is the set of outputs and the set of inputs is the domain.
SUM(1st range, [optional 2nd range], [optional 3rd range], [& so on])