The Fire HD 8 comes preloaded with the Amazon Appstore, which defaults to the Amazon Underground version of the store. The Amazon Appstore is a curated version of Google Play, which means a smaller selection.
A: A single-user multitasking operating system is an operating system that allows a single user to simultaneously run multiple applications on a computer. This type of operating system is found in personal desktop and laptop computers. The most popular single-user multitasking operating systems include Microsoft Windows and Macintosh. Continue Reading
In the case of a computer with a single CPU, only one task is said to be running at any point in time, meaning that the CPU is actively executing instructions for that task. Multitasking solves the problem by scheduling which task may be the one running at any given time, and when another waiting task gets a turn.