Answer:
Windows key,capslock key for verify connectivity
Explanation:
Sandy's can verify whether her keyboard is working or not by pressing the windows key. Caps Lock and Num lock key will turn on the light on keyboard and she shall see whether her keyboard is functioning or not. This method is being used everywhere to verify the keyboard connectivity.The light function can also be checked by using Caps Lock or Num lock key as well. Some keyboard offers the in built light, which can be turned on by pressing Alt+Space bar.
Answer:
The option(B) is the correct answer .
Explanation:
In C++ the // (two slash marks ) indicating the beginning of a comment .The two slash marks ( // ) comment the single line in a program.To use two slash marks ( // ) comment we simply write // in which line we have to make comment.
following are the example of code in c++
#include<iostream.h> // header file
void main() // main method
{
cout<< " india"; // print india
}
here // indicating the beginning of a comment .
