Yes thats correct- but if
Answer:
The answer is A
Explanation:
Basically, Shortest job first (SJF) is a scheduling policy that selects jobs on queue for execution within a short execution time.
From the definition of SJF above, it means that there are a lot of process on queue and the (SJF) job is to receive processes on queue to execute within a short execution time.
Therefore, if all the jobs or process arrives at the SJF at the same time, the SJF will forfeit one of its major purpose which is scheduling of jobs.
That will therefore not make Non-preemptive Shortest Job First (SJF) not function at its optimal point.
It means the operating system used in enterprise.
When a corporation needs 100 computers to have OS, it has to order enterprise OS packages from M$.
Answer and explanation :
the three control problems associated with competing process are
- MUTUAL EXCLUSION : We know that some resources are shareable and some are not shareable. which means only one process can access the resource at a time this type of resources are called critical resources this code can be access at only one process at a time. the other process if required to access should not be allowed
- DEADLOCK: this hold the process without complete for example suppose there are two resources R1 and R2 and two process P1 and P2 and P1 use R1 and P2 use R2 but after some time when P1 needs R2 but R2 is not available as it is used by P2 so the all process will be on hold
- STARVATION : when priorities are given to the process as high priorities and low priorities. And high priorities process always competing then low priorities process have to wait for very long time this is called starvation
Explanation:
ICT Practical Work
3rd Stage
In this next process, carry out an analysis of where the information travels. For which we must have read and understood the functions of the nodes.
An English executive wishes to send a letter to an Argentine colleague to organize a commercial operation.
Write a draft in English.
The secretary translates it into Spanish.
Envelopes it properly to send the letter by air.
Label it.
He takes it to the mail where it is bagged, after sorting, with other envelopes, for different destinations, in the city of Bs. As. According to the transport possibilities, they decide if it will be sent on a direct flight, or with a stopover in Rió De Janeiro.
The post office of Bs. As. Verifies the state of the envelope, because if it is damaged; You can return it to the sender or (if the destination is legible) deliver it with a warning note regarding the condition of the envelope.
The Argentine executive receives the letter and, despite agreeing with the conditions of the transaction, detects a spelling error, corrects it, and responds to his colleague.
At what point in this process, would you locate each of the following node functions? : Interface, transmission, error detection, format conversion,
