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OS Memory Management
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OS Memory Management
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OS Memory Management
The operating system and the other processes are protected from being modified by an already running process because ____________
they are in different memory spaces
they are in different logical addresses
they have a protection algorithm
every address generated by the CPU is being checked against the relocation and limit registers
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OS Memory Management
Using transient code, _______ the size of the operating system during program execution.
increases
decreases
changes
maintains
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OS Memory Management
The __________ is used as an index into the page table.
frame bit
page number
page offset
frame offset
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OS Memory Management
The page table registers should be built with _______
very low speed logic
very high speed logic
a large memory space
none of the mentioned
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rikazzz
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OS Memory Management
The size of a process is limited to the size of ____________
physical memory
external storage
secondary storage
none of the mentioned
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OS Memory Management
Logical memory is broken into blocks of the same size called _________
frames
pages
backing store
none of the mentioned
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OS Memory Management
The base register is also known as the ____________
basic register
regular register
relocation register
delocation register
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OS Memory Management
When there is a large logical address space, the best way of paging would be ____________
not to page
a two level paging algorithm
the page table itself
all of the mentioned
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rikazzz
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OS Memory Management
Each entry in a translation lookaside buffer (TLB) consists of ____________
key
value
bit value
constant
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rikazzz
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OS Memory Management
Each entry in a segment table has a ____________
segment base
segment peak
segment value
none of the mentioned
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rikazzz
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