Why we use getch in the code?

Question

holding the current value of the screen

Answer 1

you are right.
it is used to hold last values and output of screen .

Answer 2

what's question here?

Answer 3

is this correct or anything else ans is this question??

Answer 4

we use getch in code to hold the output screen

Answer 5

to read a character input

Answer 6

can you explain more why we use getch and how we use it ??????