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post #1 of 10
Thread Starter 
What size would a bitmap in a page-split memory system with page size of 4KB and internal memory of 512MB be and how do i get to that answer?
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post #2 of 10
Bitmap size? As in a bitmap picture?
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post #3 of 10
Thread Starter 
Virtual memory and memory allocation, in conjunction with operative systems smile.gif
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post #4 of 10
Quote:
Originally Posted by Roxycon View Post

Virtual memory and memory allocation, in conjunction with operative systems smile.gif

Great, just make it even more cryptic.
post #5 of 10
Thread Starter 
That's all the information i did get.. tongue.gif well i guess the os is in 64-bit but i dont know if its for windows or unix, but since its not specified i could just choose which
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evolv
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post #6 of 10
Quote:
Originally Posted by Roxycon View Post

What size would a bitmap in a page-split memory system with page size of 4KB and internal memory of 512MB be and how do i get to that answer?

The bitmap would be whatever size it is. The size of a file has nothing to do with how much memory is installed in a computer, nor the size of the page file on that computer. All you know is you have a bitmap of indeterminate size. Its like asking "Which is bigger, red or blue?"

How much wood would a woodchuck chuck,
if a woodchuck could chuck wood?
As much wood as a woodchuck would,
if a woodchuck could chuck wood.


Something is missing..................
Edited by billbartuska - 3/21/14 at 6:07am
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post #7 of 10
Thread Starter 
here, i found what the question is meaning about bitmap, a bit in a bitmap represents a page (here, the page is 4KB) and its there to keep track of free space on the RAM and the HDD

hope that sheds some light on it rolleyes.gif
evolv
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evolv
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post #8 of 10
Quote:
Originally Posted by Roxycon View Post

here, i found what the question is meaning about bitmap, a bit in a bitmap represents a page (here, the page is 4KB) and its there to keep track of free space on the RAM and the HDD

hope that sheds some light on it rolleyes.gif

A page size of 4KB... And memory of 512MB? You need enough space to map all (512 x 1000KB) / 4KB pages for sure, which is 128K pages... But I'm not sure why it would be keeping track of HDD space.
post #9 of 10
Thread Starter 
It has to keep track of hdd space because of swapping and virtual memory, i guess rolleyes.gif
evolv
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evolv
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post #10 of 10
I see... Well, I guess you can use that 128k as a start, but I don't know how you can come up with a final number without knowing exactly how much HDD is used for swapping/VM. And how much memory is used to track 1 page? If you know those numbers, just plug them in.
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