CompTIA Security+ Exam Prep

Answer: D - There are an abundant amount of concepts that indicate how a computer operating system works. Multiprogramming, multitasking, multithreading, and multiprocessing are four of them. Multiprogramming is when an operating system can load more than one program in memory at one time. Multitasking is when an operating system can handle requests from several different processes loaded into memory at the same time. Multithreading is an application that has the ability to run multiple threads simultaneously. Multiprocessing is when a computer has more than one control processing unit.