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Define memory management
In multiprogramming system the user part of memory should be further subdivided to accommodate multiple processes. The task of subdivision is carried out enthusiastically by the Operating systems and it is known as memory management. Efficient memory management is vital in multiprogramming system. If merely a few processor in memory, afterward for much of time all of the processor will be waiting I/O and the processor will be idle. Thus memory requires to be allocated efficiently to pack as much process in to memory as possible. Memory management de-allocates and allocates memory for every process as apart of operating system and keeps track of memory. Memory management as well selects the memory to be allocated.
properies of Batch oriented and interactive operating system.
Explain the Types of System Calls The major types of system calls are like this: a. Process Control: These types of system calls are employed to control the processes.
Recognition of essential syntactic constructs by reductions, this task is carried out by Recognition of essential syntactic constructs by reductions, this task is carried out
Q. What is the use of the command interpreter? Why is it generally separate from the kernel? Answer: It reads commands from the user or else from a file of commands and execu
Now we consider the following questions: how can the parent process communicate with its child? Or how can children processes communicate with other children? The exact answer depe
how intranet can make your business effective
Write a short note on disk structure Modern disk drives are initiate as large one dimensional array of logical blocks where the logical block is the smallest unit of transfer.
1. On every access, mark the page with a timestamp. Whenever we need to evict a page, we search through memory for the oldest page, the least-recently used page. But we need memory
Producer-Consumer Problem Using Semaphores The Solution to producer-consumer problem use three semaphores namely- full, empty and mutex. The semaphore 'full' is utilized for
Question: a. The following questions refer to a generic Windows file system: i) Describe what happens when you high-level format a floppy disk? ii) What is the maximum size
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