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The kernel is a program that comprises the central core of a computer operating system. It has entire control over everything that take place in the system. The kernel is the primary part of the operating system to load into memory during booting (i.e., system startup), and it remains there for the whole duration of the computer session because its services are required continuously.
1. They provide program implementation points to make programs smaller.
2. They handle errors thus the calculator does not lock up when an assembly program makes an error.
Q. What are the five main activities of an operating system in regard to process management? Answer: a. The creation as well as deletion of both user and system processes
why we say" OS is a resource allocator" and “OS is a control program"?
Is it probable to have a deadlock involving only one single process? Describe your answer. Answer: No This pursue directly from the hold-and-wait condition.
What do you mean by system calls? System calls give the interface among a process and the operating system. When a system call is implemented, it is treated as by the hardware
What is Directory? The device directory or simply called as directory records information-such as name, location, size, and type for all files on that certain partition. The d
what is dual mode operation
What is segmentation? In a segmented memory management scheme a programmer views a program to be collection of program components called as segments. Every segment is a logical
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
I need help,i want a brief and easy explanation to understand and write in exams and easy to understand topic of DMA block diagram which Is of I/O management and scheduling? can u
What are the phases of background processing? Phases are:- Job Scheduling. Job Processing. Job Overview.
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