Answer:
I believe it is an adapter
Explanation:
 
        
             
        
        
        
Rectification is "C. The conversation of an AC current to a DC current
        
                    
             
        
        
        
Answer:
Keyboard,speaker,scanner,mouse,printer and monitor
Explanation:
In computing, an input device is a piece of equipment used to provide data and control signals to an information processing system such as a computer or information appliance. Examples of input devices include keyboards, mouse, scanners, cameras, joysticks, and microphones.
 
        
                    
             
        
        
        
Answer:
x is assigned "5", y is assigned "28", and ch is assigned "$"
Explanation:
#include <stdio.h>
#include <iostream>
using namespace std;
int main()
{
    int x,y;
    char ch;
    x = 5;
    y = 28;
    ch = 36;
    cout<<x<<endl<<y<<endl;
    cout<<ch;
    return 0;
}