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rf, Operating System
whta is an operating system ? what sorts services are provided by an operating system ?
Posted Date: 1/7/2013 1:30:06 AM | Location : USA
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Explain the spawnvp function used in the netware, Explain the Spawnvp Funct...
Explain the Spawnvp Function used in the netware Spawnvp(flags, execNmae, argv) This function executes similarly to spawnlp( ) except that parameters are passed as a v
What are the three main activities of an operating system, What are the thr...
What are the three main activities of an operating system in regard to memory management? Keep track of which parts of memory are now being used and by whom. Decide which pr
Reference counting, The idea of reference counting is to maintain, for ever...
The idea of reference counting is to maintain, for every object, the total number of references to that object, i.e. the number of "incoming" pointers. Whenever the number of refer
Explain the various types of computer systems, Explain the various types of...
Explain the various types of computer systems. Mainframe systems Large Number of CPU with Greatest Processing Power: Huge Memory Capacity: Increased Performance by s
Different levels of a multilevel queuing system, Q. What merit is there in ...
Q. What merit is there in having different time-quantum sizes on different levels of a multilevel queuing system? Answer: Processes that require more frequent servicing for ins
Illustrate example for segmentation, EXAMPLE FOR SEGMENTATION Consider ...
EXAMPLE FOR SEGMENTATION Consider an instance as given in the table and we have five segments numbered from 0 through 4 the segment is stock in the physical memory as shown. Th
Explain lru page replacement, LRU page replacement In slightest recentl...
LRU page replacement In slightest recently used page replacement algorithm we will replace that page that hasn't been used for the longest period of time. This is similar as an
Capability lists are typically kept within the address space, Q. Capabilit...
Q. Capability lists are typically kept within the address space of the user. How does the system make sure that the user cannot modify the contents of the list? Answer: An ap
Explain signal handling, Signal handling A signal is used in UNIX syste...
Signal handling A signal is used in UNIX systems to inform a process that a particular event has occurred. 1. A signal is produced by the occurrence of a particular event.
What is the kernel, What is the kernel? A more common explanation is th...
What is the kernel? A more common explanation is that the OS is the one program running at all times on the computer usually known as the kernel, with all else being applicati
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