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yanalaym [24]
3 years ago
7

Non-preemptive Shortest Job First (SJF) scheduling policy is not optimal if:

Computers and Technology
1 answer:
ivann1987 [24]3 years ago
4 0

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.

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Each variable has a name, a value, and a type. The value might change over time, and that's why its “variable.” Many variables store numbers and strings, like the ones above. Variables can also store other types of data, like lists, dictionaries, and Boolean values

Explanation:

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Analyze the following code. public class Test { public static void main(String[] args) { double radius; final double PI= 3.15169
sergiy2304 [10]

Answer:

The output of the given code as follows:

Output:

Area is: 12.60676

Explanation:

In the given code some information is missing so, the correct code to this question can be described as follows:

Program:

public class Test //defining class  

{

   public static void main(String[] args)//defining the main method

   {

       double radius= 2; //defining double variable radius

       final double PI= 3.15169; //defining double variable PI

       double area = radius * radius * PI; //defining double variable area that calculates values

       System.out.println("Area is: " + area); //print values

   }  

}

Explanation:

  • In the given java code a class "Test" is defined, in which a double variable "radius" is defined, which holds a value, that is 2.
  • In the next step, a double constant variable, that is PI is defined, that holds a value, that is "3.15169".
  • Then another double variable area is defined, that calculates the area value, and prints its value.
4 0
3 years ago
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