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define semaphore. how can we use semaphore to deal with n-process critical section problem.
A paper mill produces two grades of paper viz., X and Y. Because of raw material restrictions, it cannot produce more than 400 tons of grade X paper and 300 tons of grade Y paper i
Q. In the IBM/370 memory protection is offered through the use of keys. A key is a 4-bit quantity every 2K block of memory has a key (the storage key) associated with it. The CPU
Q. Why page sizes always powers of 2? Answer: Recall that paging is executed by breaking up an address into a page and offset number. It is most competent to break the address
The hardware to support demand paging is as follows Page table: This table has the skill to mark an entry invalid though a valid-invalid bit or particular value of protectio
Use and overview? Pure and impure interpreter?
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
Give a brief introduction about the operation of your program and show that you understand the idea behind threads and mutual exclusion variable. Why do we need to use mutual exclu
Q. Give an instance of an application in which data in a file should be accessed in the following order: a. Sequentially b. Randomly Answer: a. Print the content of
List the various file attributes. A file has particular other attributes, which vary from one operating system to another, but typically having of these: Name, identifier, typ
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