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

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

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Operating System (OS)
The FIFO algorithm

executes first the job that first entered the queue
executes first the job that last entered the queue
execute first the job that has been in the queue the longest
executes first the job with the least processor needs
None of these

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Operating System (OS)
Operating system

All of these
provides a layered, user-friendly interface
links a program with the subroutines it references
enables the programmer to draw a flowchart
None of these

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