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Q. Define the difference among pre-emptive and non pre-emptive scheduling.
Answer: Pre-emptive scheduling permits a process to be interrupted in the midst of its execution taking the CPU away and allocating it to another process. Non pre-emptive scheduling makes sure that a process relinquishes control of the CPU only when it finishes with its current CPU burst.
What is busy waiting? When strict alteration is done there may take place situation like two processes setting their flag as true. Therefore both of the processes have equal pr
WHAT IS OPERATING SYSTEM ?ENLIST AND EXPLAIN BASIC SERVICES PROVIDE BY OS
Q. Error detection in operating system? Error detection- Error detection take places at both the hardware and software levels. At the hardware level every data transfers must b
Q. Presume that a system is in an unsafe state. Illustrate that it is possible for the processes to complete their execution without entering a deadlock state. Answer: An unsaf
What is sector sparing is proper definition
Determining the time quantum for a job is a critical task. Given the assumptions that the average switching time between processes is s, and the average amount of time an I/O bo
How many disk operations are needed to fetch the i-node for the file /usr/ast/courses/os/handout.t? Assume that the i-node for the root directory is in memory, but nothing else alo
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System Service Program system service program Supports and provides the services for other program. System service program perform Varity of tasks. They are further divided in
What is dispatch latency? The time taken by the dispatcher to stop one process and begin another running is known as dispatch latency.
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