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Write a short note about the different STATES of a process. As a process implement it changes state. The state of a process is described in part by the current activity of that
Q. What is the use of system calls? Answer: System calls permit user-level processes to request services of the operating system.
Resolution of externally defined symbols is carried out by Resolution of externally defined symbols is carried out by Linker
What are the services provided by the operating systems? Program Development It provides a variety of services and facilities, such as debuggers and editor, to help the
What is a Process Control Block? Every process in the operating system is represented by a process control block as well called a task control block. It contains several pieces
Short term scheduling The short term scheduler as well known as the dispatcher executes most frequently and makes the fine grained decision of which process to execute next. Th
Explain the Alphabet and String A finite set of symbols is known as alphabet. An alphabet is frequently denoted by sigma, yet can be given any name. B = {0, 1} says B is an
What are the main advantages of the microkernel approach to system design? Benefits typically contain the following (a) Adding a new service does not require modifying the
What lead to the concept of paging? The main memory is separated into two parts that are one for the resident operating system, and one for the user processes. We may perhaps p
Define the difference between preemptive and nonpreemptive scheduling. State why strict nonpreemptive scheduling is unlikely to be used in a computer center. Preemptive schedul
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