For the following questions answer them individually
A(an) ………….is a set of rules and standards that any two entities used for communication
Product………. is a method used by Microsoft to prevent unlicensed used of its software so that you must purchase a windows for each license installations of windows.
A person asking friends to recommend a family doctor is employing………………… group.
What is the message on the screen that requests the operator to enter information or a command?