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

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

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Operating System (OS)
Operating system

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

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Operating System (OS)
All of the following are task performed by the operating system except

Performing housekeeping task like file compression and disk defragmentation
Managing hardware on the computer
Provides an interface for user to interact with computer
Controlling the access that application program has to the CPU

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