OS Organization Chapter 7 Memory Management W. Stallings book

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Memory Management, involves ... ?

swapping blocks of data from secondary storage.
Memory I/O is _?_ compared to a CPU

slow
In Memory Management the OS must cleverly time the swapping to __?__ the CPU's efficiency

The OS must cleverly time the swapping to maximize the CPU’s efficiency
Memory needs to be allocated to ensure a reasonable supply of ___?__ __?__ to consume available processor time

Memory needs to be allocated to ensure a reasonable supply of ready processes to consume available processor time.
Memory Management: 4 requirements:
- Relocation
- Protection
- SharingLogical organization
- Physical organization
Memory Management: Requirements: Relocation: The programmer does not know where the program will be placed in memory when it is executed. (T/F)?

TRUE.
Memory Management: Requirements: Relocation: it may be swapped to disk and return to main memory at a __?___ location (relocated)

it may be swapped to disk and return to main memory at a different location (relocated)
Memory Management: Requirements: Relocation: Memory references must be translated to the actual __?__ __?__ address

Memory references must be translated to the actual physical memory address
Memory Management: Terms: Frame:

Fixed-length block of main memory.
Memory Management: Terms: Page:

Fixed-length block of data in secondary memory (e.g. on disk).
Memory Management: Terms: Segment:

Variable-length block of data that resides in secondary memory.

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OS Organization Chapter 7 Memory Management W. Stallings book

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OS Organization Class WUSTL Spring 2016

Updated

2016-05-09T07:04:28Z