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Determine a critical section is a program segment
Critical section is where shared resources are accessed
Q. What is the major difficulty that a programmer should overcome in writing an operating system for a real-time environment? Answer: The major difficulty is keeping the oper
Describe Three major roles of operating systems in business computer systems
Define Segmentation The memory allocation method subject to “external” fragmentation is Segmentation.
how response times are reduced by allowing time sharing on top of multiprogramming
What is contiguous allocation? Allocation of a group of consecutive sectors for a one file.
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
Define secondary memory. This memory holds those pages that are not there in main memory. The secondary memory is usually a high speed disk. It is called as the swap device, an
Explain Swapping Swapping is a method of temporarily removing inactive programs from the memory of computer system.
What is an I/O subsystem? The control of devices connected to the computer is a main issue while designing operating systems. Because I/O deices differ widely in their function
DIFFERENT MULTITHREADING MODELS Multithreading Models the majority multithreading models fall into one of the following categories of threading implementation: 1. M
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