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Recent questions tagged memory-management

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301
Operating System
Whenever Questions like:- (Example is shown below) is given and asked that say what is the turnaround time for $6k$ Process then we will always assume memory to have fixed length partition right??? cuz they have given different partition sizes in $KB$ ...
Whenever Questions like:- (Example is shown below) is given and asked that say what is the turnaround time for $6k$ Process then we will always assume memory to have fixe...
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302
malloc
queue->array = (int*) malloc(queue->capacity *sizeof(int)); What is queue->capacity * doing here?
queue->array = (int*) malloc(queue->capacity *sizeof(int));What is queue->capacity * doing here?
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1 answer
303
Memory managment
Difference between static memory allocation and dynamic memory allocation.(Need concept clearing explanation)
Difference between static memory allocation and dynamic memory allocation.(Need concept clearing explanation)
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1 votes
1 answer
305
Memory Management
This question was asked in one of the assignments: http://www.cs.utexas.edu/~lorenzo/corsi/cs372/06F/hw/3sol.html But I'm not clear with the explanation. Can someone please explain how to solve this?
This question was asked in one of the assignments: http://www.cs.utexas.edu/~lorenzo/corsi/cs372/06F/hw/3sol.html But I'm not clear with the explanation. Can someone plea...
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2 votes
1 answer
306
book volume-2 ACE ,memory management
Consider a logical address space of eight pages of 1,024 words each, mapped on to a physical memory of 32 frames. a)How many bits are in logical address? b)How many bits are in physical address?
Consider a logical address space of eight pages of 1,024 words each, mapped on to a physical memory of 32 frames.a)How many bits are in logical address?b)How many bits ar...
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2 votes
0 answers
308
Operating system
Please explain in detail
Please explain in detail
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2 votes
2 answers
313
Paging- Memory Management
A system support 32 bit virtual address with a page size of power of 2. Page table entries 32 bit wide. The page size in KB of the system should be ____ in order to make sure that the page table fits exactly in one frame of memory.
A system support 32 bit virtual address with a page size of power of 2. Page table entries 32 bit wide. The page size in KB of the system should be ____ in order to make ...
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315
Operating System Paging ISI
A 32-bit machine has a page/frame size of 1 KB. (i) What is the size of the complete first-level (primary) page table for a process? (ii) If page tables are also stored using paging, how many levels of paging will be required?
A 32-bit machine has a page/frame size of 1 KB.(i) What is the size of the complete first-level (primary) page table for a process?(ii) If page tables are also stored usi...
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1 votes
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318
Operating system memory
There are 5 processes having an average size of 100k. Average size of hole is 60k. Percentage of memory wasted in holes? 76 37 23 None
There are 5 processes having an average size of 100k. Average size of hole is 60k. Percentage of memory wasted in holes?763723None
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1 votes
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320
IES ESE
A disc drive has a average seek time of 10ms, 32 sectors on each track and 512 bytes per sector. If the average time to read 8kbytes of continuously stored data is 20ms, what is the rotational speed of the disc drive? 3600 rpm 6000 rpm 3000 rpm 2400 rpm
A disc drive has a average seek time of 10ms, 32 sectors on each track and 512 bytes per sector.If the average time to read 8kbytes of continuously stored data is 20ms, w...
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1 votes
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322
Address Space
I am little bit unclear about Linear,Logical and Physical Address. Can anybody tell which is accessed when and how? or any valid documentation to read plz
I am little bit unclear about Linear,Logical and Physical Address. Can anybody tell which is accessed when and how?or any valid documentation to read plz
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2 votes
2 answers
323
Suppose that cache access time is 7 ns, main memory access time is 50 ns and disk space access time is 1200 ns.
Suppose that cache access time is 7 ns, main memory access time is 50 ns and disk space access time is 1200 ns. If the hit rate of cache is 60% and of main memory hier...
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4 votes
1 answer
324
Dynamic and Static Linking
Does the dynamically linked files are slower in execution as compared to static linked files?
Does the dynamically linked files are slower in execution as compared to static linked files?
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1 votes
2 answers
326
operating system
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1 votes
0 answers
327
Memory allocation
In an multiprogramming fixed partitioning the number of partitions are fixed or size of partitions are fixed please explain
In an multiprogramming fixed partitioning the number of partitions are fixed or size of partitions are fixed please explain
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1 votes
1 answer
328
Memory techniques
Fixed partitioning for contiguous memory allocation suffers from external fragmentation or not please explain with example
Fixed partitioning for contiguous memory allocation suffers from external fragmentation or not please explain with example
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2 answers
329
Self doubt
How to understand that no. of entries in inverted page table is equal to no of frames in physical address space?
How to understand that no. of entries in inverted page table is equal to no of frames in physical address space?
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