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Lilit [14]
3 years ago
10

What is operating system​

Computers and Technology
2 answers:
tensa zangetsu [6.8K]3 years ago
5 0

Answer:

Operating System Definition: It is a software that works as an interface between a user and the computer hardware. The primary objective of an operating system is to make computer system convenient to use and to utilize computer hardware in an efficient manner. The operating system performs the basic tasks such as receiving input from the keyboard, processing instructions and sending output to the screen.Examples of operating system are UNIX, MS-DOS, MS-Windows – 98/XP/Vista, Windows-NT/2000, OS/2 and Mac OS.

iren [92.7K]3 years ago
3 0

Answer:

It's simply a software that runs a computer's basic tasks, or functions, such as scheduling, running applications, and controlling peripherals.

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Design a class named Employee. The class should keep the following information in member variables:
Paha777 [63]

Answer:

Here is the code.

Explanation:

#include <iostream>

#include <cstdlib>

#include <string>

#include <iomanip>

using namespace std;

class Employee

{

private:

string employeeName;

int employeeNumber;

int hireDate;

public:

void setemployeeName(string employeeName);

void setemployeeNumber(int);

void sethireDate(int);

string getemployeeName() const;

int getemployeeNumber() const;

int gethireDate() const;

Employee();

};

void Employee::setemployeeName(string employeeName)

{

employeeName = employeeName;

}

void Employee::setemployeeNumber(int b)

{

employeeNumber = b;

}

void Employee::sethireDate(int d)

{

hireDate = d;

}

string Employee::getemployeeName() const

{

return employeeName;

}

int Employee::getemployeeNumber() const

{

return employeeNumber;

}

int Employee::gethireDate() const

{

return hireDate;

}

Employee::Employee()

{

cout << "Please answer some questions about your employees, ";

}

class ProductionWorker :public Employee

{

private:

int Shift;

double hourlyPay;

public:

void setShift(int);

void sethourlyPay(double);

int getShift() const;

double gethourlyPay() const;

ProductionWorker();

};

void ProductionWorker::setShift(int s)

{

Shift = s;

}

void ProductionWorker::sethourlyPay(double p)

{

hourlyPay = p;

}

int ProductionWorker::getShift() const

{

return Shift;

}

double ProductionWorker::gethourlyPay() const

{

return hourlyPay;

}

ProductionWorker::ProductionWorker()

{

cout << "Your responses will be displayed after all data has been received. "<<endl;

}

int main()

{

ProductionWorker info;

string name;

int num;

int date;

int shift;

double pay;

cout << "Please enter employee name: ";

cin >> name;

cout << "Please enter employee number: ";

cin >> num;

cout << "Please enter employee hire date using the format \n";

cout << "2 digit month, 2 digit day, 4 digit year as one number: \n";

cout << "(Example August 12 1981 = 08121981)";

cin >> date;

cout << "Which shift does the employee work: \n";

cout << "Enter 1, 2, or 3";

cin >> shift;

cout << "Please enter the employee's rate of pay: ";

cin >> pay;

info.setemployeeName(name);

info.setemployeeNumber(num);

info.sethireDate(date);

info.setShift(shift);

info.sethourlyPay(pay);

cout << "The data you entered for this employee is as follows: \n";

cout << "Name: " << info.getemployeeName() << endl;

cout << "Number: " << info.getemployeeNumber() << endl;

cout << "Hire Date: " << info.gethireDate() << endl;

cout << "Shift: " << info.getShift() << endl;

cout << setprecision(2) << fixed;

cout << "Pay Rate: " << info.gethourlyPay() << endl;

system("pause");

return 0;

}

7 0
3 years ago
We observe diffusion in nature and in our technology on a daily basis, but seldom stop to think about the physical process behin
Tatiana [17]

Answer:

The development of diffusion dialysis for alkali separation

Explanation:

Diffusion Dialysis (DD) gives another option, perfect and planned strategy for corrosive and antacid recuperation. The most out standing preferences of DD are the perfect nature, low utilization of vitality, low establishment and working expense. Moreover, the integrations of DD (especially for corrosive recuperation frameworks) with other techniques can build the handling ability and effectiveness, so that the acids (even with low fixation) and the metal salts can be effectively recouped.

Different parameters will impact the proficiency of DD, such as film properties (particularly water content (WR) and fixed

gathering (CR)), assortment and grouping of waste arrangement, and the activity conditions (activity temperature, the stream rate, stream proportion). As needs be, critical contrasts have been accounted for for various DD frameworks: the "salt impact" is clear in the

HCl + chlorides DD frameworks, while in the H2SO4 + sulfates DD systems, the "salt impact" almost can't be watched; low retention

furthermore, high diffusivity in film are constantly seen in the solid corrosive arrangements, while in the powerless corrosive arrangement, the patterns are simply inverse; the "water assimilation" is moderately increasingly evident in the soluble base feed arrangement than that in the solid corrosive feed, and consequently the effectiveness of soluble base recuperation is lower.

5 0
3 years ago
I need HELP ASAP! 30 POINTS to the RIGHT answer.
Travka [436]
I would say go with
D. winzip
5 0
4 years ago
Read 2 more answers
Julio receives many emails from a healthcare site. He finds them useful, and he wants to save them all in a folder. How can he a
inysia [295]

Answer:

A

Explanation:

I took the test

6 0
3 years ago
Use the drop-down menus to complete statements about archiving and backing up data fileArchiving data files manages the size of
svetoff [14.1K]

Answer:

Archiving data files manages the size of a mailbox for  

✔ local

storage.

Creating an Outlook data file  

✔ protects

data files in storage on a computer.

Explanation:

Because its right.

3 0
3 years ago
Read 2 more answers
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