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QBASIC PROGRAMMING  

*WAP to display reverse of input string. (SUB)

DECLARE     SUB     REVERSE (N)
CLS 
INPUT" Enter any number ";N 
CALL REVERSE (N)
END

SUB REVERSE (N)
S=0
WHILE N <>0
R= N MOD 10 
S= S*10 +R
N= N \ 10 
WEND 
PRINT "reversed digit ";S
END SUB

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