Processors usually have two executions modes: the kernel mode, and the user mode. Check all the true claims among the following ones.

Question

Accepted Answer

System calls are executed in kernel model

Answer

Privileged assembly instructions can be executed only in user mode

Answer

The administrator (i.e., root) of a machine can only execute privileged assembly instructions

Answer

Interrupt handlers are executed in kernel mode

Answer

Switching from user mode to kernel mode requires a privileged assembly instruction

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