Operating System (OS)
The category of operating system that you most likely have running on your PDA computer is a ....... Operating system

Multiuser, multitask
Single user, single task
Real time
Single user, multitask

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Operating System (OS)
The main function of the dispatcher (the portion of the process scheduler) is

swapping a process to the disk
None of these
suspending some of the processes when the CPU load is high
bring processes from the disk to the main memory
assigning ready process to the CPU

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