It is to prevent burn-in(the burning of an image into the phosphor inside the cathode ray tube after hours of the same image being rescanned
hydah kerubo answered the question on June 19, 2018 at 16:03
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Date posted: June 6, 2018. Answers (1)
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Overload the + operator for the coord class so that it is both a binary operator and unary operator. When it is used as a unary operator, have the + make any negative coordinate value positive.
Date posted: June 6, 2018. Answers (1)
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char *f(char *p, int x =0, char *q);
(Solved)
What is wrong with the following function prototype?
char *f(char *p, int x =0, char *q);
Date posted: May 31, 2018. Answers (1)
- Given the following class definition,
class test{
char *p;
int *q;
int count;
public:
test(char *x, int *y, int c) {
p = x;
q = y;
count = c;
}
//...
};
Is it possible...(Solved)
Given the following class definition,
class test{
char *p;
int *q;
int count;
public:
test(char *x, int *y, int c) {
p = x;
q = y;
count = c;
}
//...
};
Is it possible to dynamically allocate an array of these objects?
Date posted: May 31, 2018. Answers (1)
- Given the following partial class, add the necessary constructor function so that both declarations within main() are valid.
class samp {
int a;
public:
//add constructor functions
int get_a() {...(Solved)
Given the following partial class, add the necessary constructor function so that both declarations within main() are valid.
class samp {
int a;
public:
//add constructor functions
int get_a() { return a;}
};
int main()
{
samp ob(88); //init ob's a to 88
samp obarray[10]; //nonitialized 10-element array
// ...
}
Date posted: May 31, 2018. Answers (1)
- a)Show how to overload the constructor for the following class so that unitialized objects can also be created. (When creating uninitialized objects, give x and...(Solved)
a)Show how to overload the constructor for the following class so that unitialized objects can also be created. (When creating uninitialized objects, give x and y the value 0.)
class myclass {
int x, y;
public:
myclass(int i, int j) { x=i; y=j;}
// ...
};
b)Using the class from question(a) above, show how you can avoid overload myclass() by using default arguments.
Date posted: May 31, 2018. Answers (1)
- Why would the following be an inappropriate use of an overloaded operator?coord coord:: operator%(coord ob) {double i;cout << "Enter a number:";cin >>i;cout << "root of...(Solved)
Why would the following be an inappropriate use of an overloaded operator?
coord coord:: operator%(coord ob)
{
double i;
cout << "Enter a number:";
cin >>i;
cout << "root of " << i << "is ";
cout << ();
}
Date posted: May 31, 2018. Answers (1)
- Relative to coord, overload the * and / operators. Demonstrate that they work.
(Solved)
Relative to coord, overload the * and / operators. Demonstrate that they work.
Date posted: May 31, 2018. Answers (1)
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Given the following class, show how to add a friend function called isneg() that takes one parameter of type myclass and returns true if num is negative and false otherwise.
class myclass {
int num;
public:
myclass(int x) {num = x;}
};
Date posted: May 31, 2018. Answers (1)
- Given the following class,
class summation{
int num;
long sum; //summation of num
public:
void set_sum(int n);
void show_sum () {
cout <(Solved)
Given the following class,
class summation{
int num;
long sum; //summation of num
public:
void set_sum(int n);
void show_sum () {
cout <}
};
void summation::set _sum(int n)
{
int i;
num = n;
sum = 0;
for(i=1; i<=n; i++)
sum += i;
}
a) create a C++ function called make_sum() that returns an object of type summation. Have this function prompt the user for a number and then construct an object having this value and return it to the calling procedure.Demonstrate that the function works.
b)The function set_sum() was not defined in line within the summation class declaration. Give a reason why this might be necessary for some compilers.
Date posted: May 31, 2018. Answers (1)