computer systems virtual memory

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At any instant it is possible to switch from one process to another, this exchange is called a

At any instant it is possible to switch from one process to another, this exchange is called a
  • A. Process switch
  • B. Context switch
  • C. Swapping
  • D. Both a and b
  • Correct Answer: Option D

Equivalent to PTE valid bit, used to indicate valid translation is refered to as

Equivalent to PTE valid bit, used to indicate valid translation is refered to as
  • A. Base field
  • B. Present bit
  • C. Access bit
  • D. Attributes field
  • Correct Answer: Option B

Security loopholes, prevents by not allowing user process to ask operating system to access somethingindirectly are known as

Security loopholes, prevents by not allowing user process to ask operating system to access somethingindirectly are known as
  • A. Blocks
  • B. Frames
  • C. Trojan horses
  • D. Routines
  • Correct Answer: Option C

IA-32 allows operating system to maintain protection level of called

IA-32 allows operating system to maintain protection level of called
  • A. Rings
  • B. Frames
  • C. Pages
  • D. Routine
  • Correct Answer: Option D

Processor protection structure expand memory access protection from two levels to many, added ones are

Processor protection structure expand memory access protection from two levels to many, added ones are
  • A. Rings
  • B. Frames
  • C. Pages
  • D. Blocks
  • Correct Answer: Option A