Qbasic program to get output using dry run table | SEE computer science programming guide in Qbasic - to know the output

 

QBasic programs collection-Especially for SEE (Grade-10)

QBasic program to know the output of program using dry run table- to extract characters and print them

DECLARE FUNCTION OUTPUTT$(W$)

Cls

W$ = "CRIMES"

Print OUTPUTT$(W$)

End

Function OUTPUTT$ (W$)

    For M = Len(W$) To 1 Step -2

        M$ = M$ + Mid$(W$, M, 1)

    Next M

    OUTPUTT$ = M$

End Function

DRYRUN table for above program is given below

W$	M=6 TO 1 STEP-2	M$=M$+MID$(W$,M,1)	OUTPUTTT$
CRIMES	M=6	M$=S
	M=4	M$=S+M=SM
	M=2	M$=SM+R=SMR	SMR

Output:-

SMR