What is the format of the processors logical address

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Reference no: EM133325211

Assignment: Consider a paged logical address space [composed of 32 pages of .2 Kbytes each) mapped into a l-l-Tbyte physical memory space.

a. What is the format of the processors logical address

b. What is the length and width of the page table {disregarding all the control bitsj-r.i c. What is the effect on the page table if the physical memory space is reduced by half.

1 Assume that the number of page entries and page size stay the same.

a. Explain what a Race condition is. Discuss a concrete example of a race condition.

b. Why disabling interrupts is not a good mechanism to prevent race conditions? Explain and justify. Brie?y explain how Semaphores work. Explain, in detail, what an open operation must do. Consider the case of a file opened for APPETD. in a file system using a hierarchical directory structure.

2. a] {from Silberschatz} Consider a file system that uses inodes to represent files. Disk blocks are SKb in size. and a pointer to a disk block requires -l bytes. This ?le system has 12 direct disk blocks. as well as single= double and triple indirect disk blocks. What is the maximum size of a file that can be stored in this file system?

b) Explain what you can do in case {a} if you need to store a ?le that is larger than the maximum size computed. Giye an example showing how you cart define a larger file. and what the size of that file would be.

Reference no: EM133325211

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