Which of the following is a multiuser,multitasking operating system that is available for a wide variety of computer platforms,and is commonly used because of its superior security?
A) Android
B) iOS
C) Windows
D) Unix
E) z/OS

Question

Quizplus · Accepted Answer

Unix is a multiuser, multitasking operating system that is available for a wide variety of computer platforms and known for its superior security features. Android and iOS are mobile operating systems, Windows is primarily used on personal computers, and z/OS is a mainframe operating system.

Which of the Following Is a Multiuser,multitasking Operating System That