Answer: The best method to avoid getting spyware on a user machine is to download software only from trusted websites. And depending on the machine it might say that "This download you are about to install might have spyware or malware and it might infect your laptop" "Do you wish to continue?"
I think it's D because it's made out of facts. The other ones are more likely to include bias.
Answer:Interface segregation principle
Explanation: Interface-segregation principle (ISP) is amongst the major principles of the object-oriented design which describes that none of the users/clients can be forced for indulging and depending on the unknown methods or methods that they don't have knowledge about.
It functions by making the interfaces visible to the user that specifically fascinates them and keeping other smaller interfaces.Interfaces are made by splitting process and making the small interfaces from them.
3 Examples of mainframe computers
z900
System z9
System z10
