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What is main memory management?
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What is the role of operating system in memory management?
Role of the Memory management unit in Operating system Every program for its execution requires some space in computer memory which is provided by memory management unit using virtual memory that provides the external storage addressing location for the programs that does not have too much space in main memory for their execution and saved them in secondary memory but when required loaded them again in main memory. This deallocation and reallocation of programs in main memory deals with concurrency. At last, we say that loading capabilities of programs with the memory addressing is there in it.
Are MS DOS programs loaded in the main memory?
yes. of course. MS-DOS does not have a dynamic memory management.
What is dirty page in virtual memory management?
it's the page that has been modified in main memory(physical memory), but not yet rewritten in the disk.
List three functions of an operating system?
The three main functions of an Operating System are process management, memory management and file management.
What is fixed partition main memory management technique in operating systems?
A partitioned memory management technique is when the operating system loads more than one application program into memory at the same time, they share memory space and cpu time. The main memory (which is the volatile memory where active programs and data are held during use), is divided into partitions that different processes that are running can fit into. The partitions sizes can either be fixed, or they can change to encompass the size of the process that is to be run. So, a fixed partition main memory management technique is when the main memory is divided into partitions that do not change based on the size of the process, they are a fixed size. And a process is loaded into a partition big enough to hold it.
Why operating system requires second storage support for its operation?
its a type of memory management technique in which the full utilization of main or physical memory is being done and the process which are idle can be placed in second storage or logical memory and in the time of use it can be placed in main memory from paging .
3Explain the function of OS in memory management?
function of memory management
What is Memory management in ms dos?
MS-DOS does not have built-in memory management.
What is memory management?
static memory management i.e we are fixed the memory location with there size & that fixed size jobs will appear
Is cache memory is main or sec memory?
cache memory is neither main memory nor second memory. DDR's are Main memory and Disk is second memory.
What is static memory management?
static memory management i.e we are fixed the memory location with there size & that fixed size jobs will appear
