Windows OS and Mac OS are examples of which type of operating systems?

A. Multiple user, multitask ( MUMT )

B. Real time operating system ( RTOS )

C. Single user, single task ( SUST )

D. Single user, multitask ( SUMT )

Single-user, multi-tasking

Explanation:

This is the type of operating system most people use on their desktop and laptop computers today. Microsoft's Windows and Apple's MacOS platforms are both examples of operating systems that will let a single user have several programs in operation at the same time. For example, it's entirely possible for a Windows user to be writing a note in a word processor while downloading a file from the Internet while printing the text of an e-mail message.

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explanation:

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