Pre Test Loop

Pre Test Loop is the most commonly used loop in programming.

Pre test loops are known as guarded loop, the condition guards the enterance to the loop.

CODE ANNOTATED

_TITLE "THIS IS MY QBASIC PRE TEST LOOP" 'THIS IS USED FOR THE TITLE BAR IDENTIFIER

DIM X AS INTEGER 'THIS IS USED FOR DECLARING X WHICH IS STATED AS INTEGER

CLS 'CLEAR THE SCREEN

FOR X = 20 TO 1 STEP -1 'STATEMENT PRE TEST LOOP (FOR), IF X= 20 TO 1 , STEP EVERY MINUS 1 GAP DESCENDING FROM 20 TO 1

PRINT X 'DISPLAY RESULTS FROM 20 TO 1 IN DESCENDING ORDER

NEXT X 'NEXT X

END 'USUALLY THIS IS INCLUDED

'THANKS FOR WATCHING!! :)

QBasic