If the sum of the working – set sizes increases, exceeding the total number of available frames ____________

A. Then the process crashes
B. The memory overflows
C. The system crashes
D. The operating system selects a process to suspend

A process is thrashing if ____________

A. It spends a lot of time executing, rather than paging
B. It spends a lot of time paging than executing
C. It has no memory allocated to it
D. None of the mentioned

Thrashing _______ the CPU utilization.

A. Increases
B. Keeps constant
C. Decreases
D. None of the mentioned

What is a locality?

A. A set of pages that are actively used together
B. A space in memory
C. An area near a set of processes
D. None of the mentioned

When a subroutine is called ____________

A. It defines a new locality
B. It is in the same locality from where it was called
C. It does not define a new locality
D. None of the mentioned

A program is generally composed of several different localities, which _____ overlap.

A. May
B. Must
C. Do not
D. Must not

In the working set model, for: 2 6 1 5 7 7 7 7 5 1 6 2 3 4 1 2 3 4 4 4 3 4 3 4 4 4 1 3 2 3 if DELTA = 10, then the working set at time t1 (….7 5 1) is?

A. {1, 2, 4, 5, 6}
B. {2, 1, 6, 7, 3}
C. {1, 6, 5, 7, 2}
D. {1, 2, 3, 4, 5}

The accuracy of the working set depends on the selection of ____________

A. Working set model
B. Working set size
C. Memory size
D. Number of pages in memory

If working set window is too small ____________

A. It will not encompass entire locality
B. It may overlap several localities
C. It will cause memory problems
D. None of the mentioned

If working set window is too large ____________

A. It will not encompass entire locality
B. It may overlap several localities
C. It will cause memory problems
D. None of the mentioned