Question

what is the use of clrscr(), void main, getch() ​

Answer 1

Answer:

Clrscr is claer screen and is used to clear the value of the algorithm displayed after every execution.

Void main denotes the start of the main function of the program.

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Answer 2

clrscr()

this is used to clear the output screen of before compilations

void main

his indicates or from which the program begins or execution starts

getch

this is used to wait the output and to see output screen without doing alt+f5.