Solution:
REM PROGRAM DISPLAYING THE NAMES OF STUDENTS STARTING WITH LETTER "B"
CLS
OPEN "MARKS.DAT" FOR INPUT AS #1
DO WHILE NOT EOF(1)
INPUT #1, N$, ENG, COMP, SCI
M$=LEFT$(N$,I,1)
IF M$="B" THEN
PRINT N$, ENG, COMP, SCI
END IF
LOOP
CLOSE #1
END
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