Quiz 2

Question 1

Virtual address spaces encompass all possible addresses assigned to RAM.

Answer

true

Question 2

When allocating memory to a new object in the heap, the most efficient algorithm that ensures the least amount of memory is wasted is the first fit algorithm.

Answer

true

Question 3

Paging requires less memory than directly allocating a memory space

Answer

true

Question 4

When a process is created, the operating system automatically adds which of the following to the address space [select all that apply]

Accepted Answer

Heap

Accepted Answer

Empty memory space

Accepted Answer

Code

Answer

threads

Question 5

A page fault occurs. Order the series of events that takes place:

OS re-executes faulting instruction [blank_start]first[blank_end]
CPU traps to kernel [blank_start]first[blank_end]
Page fault handler gathers data structures and necessary page [blank_start]first[blank_end]
Page fault handler checks where fault occurred [blank_start]first[blank_end]
MMU sends signal to CPU [blank_start]first[blank_end]
OS loads the page provided by the page handler [blank_start]first[blank_end]

Accepted Answer

sixth

Accepted Answer

second

Accepted Answer

fourth

Accepted Answer

third

Accepted Answer

first

Accepted Answer

fifth

Question 6

When sharing physical memory across processes, each process’ physical memory should start at 0.

Answer

true

Question 7

What is the purpose of the translation lookaside buffer?

Accepted Answer

To cache frequently used pages so that they can be found faster

Answer

To store the address of all of the pages that have been created for a process

Answer

To modify the memory space and its partitions

Answer

To map all addresses from virtual to physical memory

Quiz 2

Questions in this quiz (7)

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