problem 1: What do you mean by the term index? How is it defined in COBOL? Describe with illustration.

problem 2: Distinguish between the terms index and subscript.

problem 3: What are the various types of search supported by the COBOL?

problem 4: Describe the meaning of the given COBOL verbs with illustrations:

a) SET TO and SET UP BY or SET DOWN BY.
b) SEARCH with its options.

problem 5: Describe the method of searching in an unsorted table of the COBOL.

problem 6: prepare a COBOL program for the linear search on STUDENT table.

problem 7: prepare down a COBOL program for binary search on EMPLOYEE table where main key is EMPLOYEE-ID.