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Compare between the one and two-dimensional memory organizations in terms of the memory structure, advantages, and disadvantages. Which approach would better support the needs of modern operating environment? Why? Please
Consider the following segment table in a two dimensional memory organization:
1- Draw the map of the address space above (i.e. memory map) where X axis represents the segment number and Y axis is the addresses within a segment.
2- Evaluate the physical address for each of the following logical addresses; locate each address on the memory map.
a- (0, 867) b- (1, 3950) c- (2, 2340) d- (3, 7120) e- (4, 1625)
8(5-3)-20=
What is the benefits OS co-operating process? Information sharing. Computation speeds up. Modularity. Convenience.
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What do you mean by first fit? First fit allocates the first hole that is big sufficient .Searching can either start at the starting of the set of holes or where the previous f
Operating Systems 1. Explain single Partition Allocation and Multiple Partition Allocation. 2. What do you mean by PCB? What useful information is available in PCB? 3. De
What is Multiprogramming? Multiprogramming is the capability of am operating system to support multiple applications running concurrently. Multiprogramming simply means that an
Write a note on multithreading. Multithreading is the capability of an operating system to execute different parts of a program called as threads, at the same time. The program
What lead to the concept of paging? The main memory is separated into two parts that are one for the resident operating system, and one for the user processes. We may perhaps p
Using pages makes it easier to manage the whole memory, avoiding excessive fragmentation and waste. As an analogy, think of Tetris, but with only square blocks: it is relatively ea
List two types of system directories A) Device directory:- Describing physical properties of files. B) File directory :- Giving logical properties of the files.
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