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OS Memory Management
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OS Memory Management
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OS Memory Management
Program always deals with ____________
logical address
absolute address
physical address
relative address
Author:
rikazzz
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OS Memory Management
The offset ‘d’ of the logical address must be ____________
greater than segment limit
between 0 and segment limit
between 0 and the segment number
greater than the segment number
Author:
rikazzz
Comment
OS Memory Management
Physical memory is broken into fixed-sized blocks called ________
frames
pages
backing store
none of the mentioned
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rikazzz
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OS Memory Management
The ________ consists of all processes whose memory images are in the backing store or in memory and are ready to run.
wait queue
ready queue
cpu
secondary storage
Author:
rikazzz
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OS Memory Management
When the valid – invalid bit is set to valid, it means that the associated page ____________
is in the TLB
has data in it
is in the process’s logical address space
is the system’s physical address space
Author:
rikazzz
Comment
OS Memory Management
Paging increases the ______ time.
waiting
execution
context – switch
all of the mentioned
Author:
rikazzz
Comment
OS Memory Management
The first fit, best fit and worst fit are strategies to select a ______
process from a queue to put in memory
processor to run the next process
free hole from a set of available holes
all of the mentioned
Author:
rikazzz
Comment
OS Memory Management
To obtain better memory utilization, dynamic loading is used. With dynamic loading, a routine is not loaded until it is called. For implementing dynamic loading ____________
special support from hardware is required
special support from operating system is essential
special support from both hardware and operating system is essential
user programs can implement dynamic loading without any special support from hardware or operating system
Author:
rikazzz
Comment
OS Memory Management
Operating System maintains the page table for ____________
each process
each thread
each instruction
each address
Author:
rikazzz
Comment
OS Memory Management
What is Dynamic loading?
loading multiple routines dynamically
loading a routine only when it is called
loading multiple routines randomly
none of the mentioned
Author:
rikazzz
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