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Q. Describe why SSTF scheduling tends to favour middle cylinders over the innermost and outermost cylinders.
Answer: The middle of the disk is the location having the smallest average distance to all other tracks. Therefore the disk head tends to move away from the edges of the disk. Here is one more way to think of it. The present location of the head divides the cylinders into two groups. If the head isn't in the centre of the disk and a new request arrives the new request is more probable to be in the group that includes the centre of the disk therefore the head is more likely to move in that direction.
List and discuss the various services provided by the operating system. Program execution - system capability to load a program into memory and to run it. I/O operatio
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
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Write an application that does the following:(1) fill an array with 50 random integers; (2) loop through the array, displaying each value, and count the number of negative values;
Define a program in execution is known as A program in execution is known as a process
Multithreading - Operating systems that permit different parts of a software program to run concurrently. Operating systems that would come into this category are: Linux UNI
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Purpose This is intended to help you develop your understanding of shell scripting in both a Windows and Unix environment. Deliverables For both the first and second op
Q. Dynamically loadable kernel modules give elasticity when drivers are added to a system however do they have disadvantages too? Under what situations would a kernel be compiled
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