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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)
Q. The instance of handshaking used 2 bits: a busy bit as well as a command-ready bit. Is it probable to implement this handshaking with only 1 bit? If it is illustrate the protoc
Architects Applications by Making Use of Multitasking As the capability of computer hardware keeps increasing, operating systems are presented with overwhelming opportunities.
Define dynamic loading. To obtain better memory-space utilization dynamic loading is used. With dynamic loading, a routine is not loaded until it is called. All routines are ke
Since most of the programs require a lot of memory allocation/deallocation, we expect the memory management to be fast, to have low fragmentation, make good use of locality, and be
LRU approximation page replacement In this we are able to use the reference bit associated with the page entry to choose a page to be removed. The various algorithms used for
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Placement algorithms :calculate where in available real-memory to execute a program. Common functions are next-fit, first-fit, and best-fit. Replacement algorithms :are
In a multiprogramming and time-sharing environment, several users share the system simultaneously. This situation can result in various security problems. a
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Question: (a) Modern processors operate in one of two modes: one for the operating system and one for applications. What is the purpose of having these two modes? What are
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