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Peripheral devices of a computer are the devices which re attached to the computer on the central processing unit through the ports on its cover. They include the mouse, monitor and a keyboard.
Eng melau answered the question on February 12, 2018 at 18:32
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class base {
public:
virtual int f(int a)=0;
//...
};
class derived : public base {
public:
int f(int a, int b) {return...(Solved)
Is the following C++ fragment correct? If not, why not?
class base {
public:
virtual int f(int a)=0;
//...
};
class derived : public base {
public:
int f(int a, int b) {return a*b;}
//...
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