The Computer is not in truth mechanical and is the formalized table of instructions - a set of on and offs. It is defined the Turing Machine that may be supposed the abstract modus operandi and is now networked. 'Computer' here is taken to be defined the Abstract Machine that may be imagined the formal 'ideal clerk' performing a computation. 'Computer' is not in any sense circuitry and is the abstract 'ideal clerk' - a set of on and offs.
'Computer' here is taken to be defined the Von Neumann architecture that may be thought the abstract method and is a semiotic machine (Finnemann).
See also Inscription,