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Brut [27]
3 years ago
12

About n processes are time-sharing the CPU, each requiring T ms of CPU time to complete. The context switching overhead is S ms.

(a) What should be the quantum size Q such that the gap between the end of one quantum and the start of the next quantum of any process does not exceed M ms? (b) For n = 5, S = 10, and M = 450, M = 90, M = 50, determine: The corresponding values of Q The percentage of CPU time wasted on context switching

Computers and Technology
1 answer:
Genrish500 [490]3 years ago
8 0

Answer:

(a) Q = (M-(1-n)S)/n

(b)    

When M = 450,

       Q = 82

       % CPU time wasted = 8.889%

When M = 90,

       Q = 10

       % CPU time wasted = 44.44%

When M = 50,

       Q = 2

       % CPU time wasted = 80%

Explanation:

Given  Data:

n = process

T = ms time

Context switch time overhead = S

and M is total overhead

See attached file for the calculation.

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A class member function that automatically initializes the data members of a class exists called a constructor.

<h3>What is meant by member function?</h3>

Operators and functions that are designated as members of a class are known as member functions. Operators and functions declared with the friend specifier are not included in member functions. These are referred to as class pals. Together, data members and member functions describe the characteristics and actions of the objects in a Class. Data members are the data variables, and member functions are the functions used to control these variables.

In C++, there are typically five different types of member functions available. Specifically, friend member functions and basic, static, const, inline functions. Classes-only functions are member functions. Any private, protected, or public member of its class may be accessed using the public member function. Any member function of a class, not just the public ones, has access to every single other member that has been declared inside the class. so are easy to programme.

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