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27 - Virtual Storage

 1. What is virtual storage?
virtualstorage_q1.png

  A type of translucent SSD

  Data that is not stored in binary form

  An unresolved problem in computer science

  Treating all storage media as a single pool of storage

 2. Virtual memory uses other storage as an extension of memory to free up RAM.

  TRUE

  FALSE

 3. Who first devised the concept of virtual storage in 1956?

  John Von Neumann

  Mark Zuckerberg

  Fritz-Rudolf Güntsch

  Bill Gates

 4. What are virtual memory addresses?
virtualstorage_q4.jpg

  A place in virtual reality

  A reference to a specific memory location

  The geographical location of a data centre

  A memory address that is randomly generated

 5. Complete the blank: virtual memory addresses are usually divded into blocks called ____.

  Pages

  Books

  Strata

  Layers

 6. The memory management unit translates virtual addresses into physical addresses.

  FALSE

  TRUE

 7. What is thrashing?
virtualstorage_q7.jpg

  Saturation of the virtual memory

  Overheating of the hard disk

  A type of printer error

  A type of RAM error

 8. Thrashing occurs if the CPU…

  speeds up too rapidly

  becomes too warm in extreme conditions

  spends more time exchanging data in primary and secondary storage than processing applications

  is scratched or otherwise damaged

 9. Thrashing can be stopped by closing down applications.

  TRUE

  FALSE

 10. Why do embedded systems often not use virtual storage?
virtualstorage_q10.jpg

  Because virtual storage is too complicated

  In order to reduce the response time

  Because cooling would occur

  Because the response time is not important