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What is linked allocation, as detailed in text?
Directory has pointers to first and last blocks of file. Every block of file (except last) has pointer to the next block.
Discuss in detail Table management Techniques? An Assembler employs the subsequent tables: OPTAB: Operation Code Table consists of mnemonic operation code and its machi
What is the main difficulty that a programmer must overcome in writing an operating system for a real-time environment? The main difficulty is keeping the operating system with
Explain about paging? Answer: Paging is a memory-management scheme that permits the physical-address space of process to be noncontiguous. Paging avoids the considerable proble
Refer a program with a linked origin of 5000. Suppose the memory area allocated to it have the start address of 70000. Determine the value to be loaded in relocation register?
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
What is a buddy system? We are dividing the memory as powers of two therefore the division will be 2, 4, 8, 16, 32, 64, 128, 256...i.e. in powers of 2 as well as we are selecti
Worst Fit Algorithm Here we obtain the largest space available for the smallest. Therefore after that process entered there will be much more space remaining. In this space we
The Most comman difference are given below System calls are heavy. While a procedure call can generally be performed in a few system instructions, a system call needs the c
Define Segmentation The memory allocation method subject to “external” fragmentation is Segmentation.
advantages and disadvantages of monolithic and layered approach
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