A Qbasic Program To Find The Certain Record In A Data File.

• A sequential data file "std.dat" contains name, class and roll of a student. Make a program to display certain records in the file according to the roll no. supplied. (qbasic code)
• CLS
  OPEN "std.dat" FOR INPUT AS #1
  INPUT "Enter the roll number of the required student:"; rn
  PRINT "Name", "Class", "Roll"
  DO WHILE NOT EOF(1)
      INPUT #1, n$, cl, r
      IF r = rn THEN
          PRINT n$, cl, r
      ELSE
      END IF
  LOOP
  CLOSE #1

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