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Examen
OS Midterm Test Questions with Correct Answers Graded A+
OS .
OS .
What is an OS? - A control program (software) that controls the execution of application programs What does an OS do? - - takes over when programs want to access "protected areas" - must relinquish control to user program and regain it safely and efficiently - tells CPU when to execute other programs - masks hardware details from application programs Do apps run on the OS? - No, they run directly on the hardware but switch to OS when help needed 3 roles of the OS - 1. r...
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