Three examples of parameter-parsing implementation models are: (1), (2), and (3).

1) Parse-by-value

2) Parse-by-reference

3) Parse-by-name

Explanation: Parameter parsing refers to a communication among procedures or functions.

The values of a variable procedure are transferred to the called procedure by some mechanisms. Different techniques of parameter-parsing include; parse-by-value, parse-by-reference, parse-by-copy restore, parse-by-name.

system programmer option d is correct

because an operating system is software that manages computer hardware and system resources.