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Define secondary memory.
This memory holds those pages that are not there in main memory. The secondary memory is usually a high speed disk. It is called as the swap device, and the section of the disk used for this purpose is called as swap space.
File Organization * Sequential * Direct * Indexed A file still if it is stored on a magnetic disk or CD-ROM disk may perhaps have a sequential file organiz
We are use to using variables within C without thinking about where they are stored. Most variables are dynamic i.e. can change, therefore they are stored in Ram, unlike a program
RESOURCE ALLOCATION GRAPH When a process Pi wishes an instance of resource type Rj, a request edge is inserted in the resource allocation graph. When this request is able to be
Virtual addresses are made up of two parts: the ?rst part is the page number, and the second part is an offset inside that page. Suppose our pages are 4kb (4096 = 212 bytes) long,
Q. Is there any way to execute truly stable storage? Describe your answer. Answer: Truly steady storage would never lose data. The fundamental technique for steady storage is
Single level directory: This is the easiest directory structure. All the files are controlled in the same directory, which is simple to support and understand. Few of the li
What is the purpose of the command interpreter? Why is it usually separate from the kernel? It reads commands from the user or from a file of commands and executes them, usuall
Consider a scenario of post mailbox, there are two processes named sender S and receiver R. Both processes can communicate with each other by name along with message. You need to I
Develop a user mode command interpreter which support these functions: "list-short" -- just like ls without any options "list-long" -- same as ls -l "change" -- same as cd Your co
IMPLEMENTATION OF SEGMENTATION WITH AN EXAMPLE Segmentation is a memory-management scheme that represents the user view of memory. A logical address space is the collection of
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