Clear my choice

Thrashing occurs because:

a$.$ The size of regions where the processes keep executing is larger than the size of logical memory.

b$.$ The size of regions where the processes keep executing is larger than the size of virtual memory.

c$.$ The size of memory regions where the processes keep executing in a given period of time is larger than the size of physical memory.

d$.$ The size of the TLB is not sufficient.

e$.$ The size of the logical memory is larger than the size of physical memory.

$19$

The number of processes completed per unit time is known as: