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zhenek [66]
3 years ago
13

10.

Computers and Technology
1 answer:
Rama09 [41]3 years ago
8 0
This is 100% f a l s e !!
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In mathematics, "quadrant I" of the cartesian plane is the part of the plane where x and y are both positive. Given a variable,
lbvjy [14]

Answer:

#include <iostream>

using namespace std;

struct Cartesian {

double x;

double y;

};

int main() {

// creating a pointer p of type struct Cartesian

struct Cartesian *p = new Cartesian ;

cout << " Enter x: ";

// accessing the structure variable x by arrow "->"

cin >> p->x;

cout << "Enter y: ";

// accessing the structure variable y by arrow "->"

cin >> p->y;

// expression to check whether x and y lie in Quadrant 1

if (p->x > 0 && p->y > 0) {

 cout << "X and Y are in Quadrant 1 ";

}

else

{

 cout << "x And y are not in Quadrant 1";

}

// deleting the struct pointer p

delete p;

return 0;

}

Explanation:

in order to locate memory in heap, keyword "new" is used in C++ so,

struct Cartesian *p = new Cartesian ;

in order to access data members of the structure using pointer we always use an arrow "->". otherwise a dot oprerator is used to access data members.

in order to check whether x and y lie in 1st quadrent, we must use && operator in our if condition. so

if (p->x > 0 && p->y > 0)

&& will return true iff x and y both are +ve.

deleting the struct pointer p is important beacuse we are allocating memory in heap so heap memory should be used a resource and must be release when not needed otherwise it can cause memory leakage problems. so  

delete p;

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3 years ago
Four ways to improve the performance of a hard disk include.
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Answer:

Defragmenting, and optimizing, also on Windows to not use Paging unless you have an SSD. And to install a lightweight OS like Windows 11 super-lite, Linux etc.

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A programmer writes a for statement to count from 1 to 10 and explicitly mentions the 1 and the 10 in the for “header.” which re
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Pls help me computer science discoveries
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Indicates how fast the engine is moving in rpms.
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