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What are the objectives and functions of operating system?
Functions of operating systems
1. It allocates the resources and acts as a supervisor.
2. It hides the complexity of hardware from the user.
3. It controls the resources.
4. It provides the user an environment to work.
A friend has promised to log in at a particular time. However, he needs to be contacted as soon as he logs in. The shell script checks after every minute whether he has logged in o
What are the phases of background processing? Phases are:- Job Scheduling. Job Processing. Job Overview.
A daemon is a process that removes itself from the terminal and disconnected, executes, in the background, waiting for requests and responding to them. It may also be described as
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Assume there are only 4 page frames in the physical memory, for the following reference string: 1, 2, 3, 4, 5, 3, 4, 1, 6, 7, 8, 7, 8, 9, 7, 8, 9, 5, 4, 5, 4, 2, 8. a) What i
is the operating system windows sometimes interupts
Define process? What is meant by state of a process? Process is a program in implementation. A process in general includes the process stack, which consists temporary data and
Determine how Action implementing instruction’s meaning are a actually carried out Action implementing meaning of instruction are a actually carried out Instruction executio
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