What is clrscr( ) and getch( ) function in C programming Language

Hello. My name is Monalisa. Mein yaha discuss ki hun: -What is clrscr () -What is its use. -How can we write this function, program related to clrscr () function -what is getch () function, its use. -How can we write this function, program related to getch () function. LIKE, SHARE, SUBSCRIBE
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