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What is an operating system?
An operating system is a program that manages the computer hardware. It acts as an intermediate among users of a computer and the computer hardware. It handles and coordinates the use of the hardware among the several application programs for the various users.
Explain a boot control block A boot control block can have the information required by the system to boot an operating from that partition. If the disk does not have an operati
Problem: a) Explain physically what occurs when a disk is fragmented. What is the purpose of "defragmenting" a disk? b) What is the idea behind backing up data on a secondar
Symmetric multiprocessing To get maximum reliability and efficiency a mode of function called as symmetric multiprocessing is used. In essence, with SMP any program or threads
What is the main advantage of multiprogramming? Multiprogramming makes efficient use of the CPU by overlapping the demands for the CPU and its I/O devices from various users. I
Worst Fit Algorithm Here we obtain the largest space available for the smallest. Therefore after that process entered there will be much more space remaining. In this space we
operation policies
what are the overall concepts of deadlock
List operations to be performed on directories. Search for a file, delete a file, create a file, list a directory, rename a file, and traverse the file system.
Q. Distinguish among a STREAMS driver and a STREAMS module? Answer: The STREAMS driver controls the physical device that could be involved in a STREAMS operation. The STREAMS
IMPLEMENTATION OF SEGMENTATION WITH AN EXAMPLE Segmentation is a memory-management scheme that represents the user view of memory. A logical address space is the collection of
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