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Which of the following best describes Direct Memory Access (DMA)?

What is thrashing in the context of virtual memory? What causes it, and how can it be mitigated?

A(n) __________ is the software interface between a running program and the operating system.

What is the purpose of dual-mode operation in operating systems? Explain how it enhances system security.

The problem of having small unusable chunks of memory scattered throughout RAM is called ________ fragmentation.

Which scheduling algorithm may suffer from the convoy effect?

The __________ scheduler selects from among the processes in memory that are ready to execute and allocates the CPU to one of them.

The part of the OS responsible for process scheduling and context switching is:

During gait training in the parallel bars, the physical therapist assistant used a mirror to help the patient correct their base of support, step-through gait pattern, and postural alignment as part of the treatment session. What is the therapist providing the patient during and after the patient’s movement for corrective actions?

As a physical therapist assistant, what strategies can you use to facilitate motor learning in patients?