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IRISSAK [1]
3 years ago
12

Functions of operating systems​

Computers and Technology
1 answer:
Jobisdone [24]3 years ago
7 0

Answer:

The functions of operating system are:

Explanation:

It protects the user to create,copy,delete,move& rename files & folders.

It protects the stored information from unauthorized users & denies them access to data.

It manages the storage and retrieval of data from disks.

It manages the input to and output form of computer system.

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3 0
3 years ago
1.) Write the formula, which assigns double x to double n raised to the double z power.
andrezito [222]

Answer:

1.) Write the formula, which assigns double x to double n raised to the double z power.

Answer: 2\times x → 2\times n^(2\times z<u>)</u>

2.) Write a formula, which will add 5 to the cube of double t times double n, and assign it to double x.

Answer: 5\plus 2\times t^3→2\times x

3.) Write a formula, which will assign double x to square root of the sum of the squares of the lengths of the two legs of a triangle. Declare double leg1, and double leg2, in order to find the hypotenuse. (Pythagorean Theorem)

Answer: 2\times x → \sqrt \{(l^2)_1 + (l^2)_2\}= hypotenuse

4.) Write a program that find the distance between two values on the number line by taking the absolute value of their difference. Assign the answer to double x. The two numbers have been declared as follows:

double num1, num2

Answer: length = \sqrt\{|num2 - num1\|} → 2\times x

Explanation:

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3 0
3 years ago
Once a manual is written, it may change over time as procedures change. What's a recommended format for a manual to incorporate
zhenek [66]

Answer:

Print the manual in a loose leaf binder so even small changes can be replaced

Explanation:

Procedure  manual is the document that contains the business policies and strategies. These strategies can be changed time to time in the interest of company.

As these policies or procedures changes, it is necessary to communicate with all employees. To communicate this updated information to all employees it is necessary to print all that pages, where the changes have been made to replace them in the current manual. If we print whole manual it may increase the cost of printing. To reduce printing cost and wastage of pages only print those particular pages that have been changed. This will help to communicate to the existing employees as well  as to newly hired employees.

3 0
3 years ago
The beginning balance of Keyshawn's savings account for the month of September was $3900, and it remained this way for the first
Doss [256]
I’m not gonna wanna was that 638
4 0
3 years ago
Write a program that calculates the average rainfall for three months. The program should ask the user to enter the name of each
sergeinik [125]

Answer:

// program in C++.

#include <bits/stdc++.h>

using namespace std;

// main function

int main()

{

   // string array

   string m[3];

   // array to store rainfall

   double rainfall[3];

   // variables

   double avg_rainfall,sum=0;

   

   for(int i=0;i<3;i++)

   {

       cout<<"Enter name of month "<<i+1<<" :";

       // read month name

       cin>>m[i];

       cout<<"Enter rainfall (inches)  in month "<<i+1<<" :";

       // read rainfall

       cin>>rainfall[i];

       // sum of rainfall

       sum+=rainfall[i];

   }

   // Average rainfall

   avg_rainfall=sum/3;

   // print Average rainfall

   cout<<"Average rainfall for "<<m[0]<<","<<m[1]<<","<<m[2]<<" is "<<avg_rainfall<<" inches."<<endl;

return 0;

}

Explanation:

Create string array "m" to store name of month and double array "rainfall" to store rainfall. Read name of 3 months and rainfall in that month.Find the sum of all the rainfall  and the average rainfall.Print the average rainfall of 3 months.

Output:

Enter rainfall (inches)  in month 2 :45                                                                                    

Enter name of month 3 :july                                                                                                

Enter rainfall (inches)  in month 3 :43                                                                                    

Average rainfall for may,june,july is 42.6667 inches.

4 0
3 years ago
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