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SUBTRACT VERB:
The SUBTRACT verb is used to subtract one, or the sum of two or more numbers from one or more numbers and to store the result.
The form of the SUBTRACT verb is as shown below:
Data Division: The Data Division is a part of the COBOL program where every data item processed by the program is described. It is very important to note that unless a data
PROGRAM FOR COMPUTE VERB: We have to write an easy program to elaborate the COMPUTE verb. Identification division. Program- id. compverb. Environment division. Da
SIGN CONDITION: The sign condition establishes whether or not the algebraic value of an operand is negative, positive or zero. The operand can be either the numeric identif
PROGRAM FOR SIZE ERROR: We have to write an easy program to elaborate the size error option. Identification division. Program- id. sizeerr. Environment division.
PROGRAM FOR INDEXED SEQUENTIAL FILE CREATION: We have to write a program to create an Indexed Sequential File in a dynamic mode for Student particulars. Suppose just 3 fields:
Comparison of Nonnumeric Operands: A nonnumeric operand can be compared to the other nonnumeric operand according to the rules as shown below: (i) Fields of Equal Sizes:
PERFORM WITH TIMES OPTION: The format of a PERFORM TIMES statement is as shown below: Illustration: A) Perform the para-2 5 times. In this situation the specifie
Picture Clause: The picture clause explains the general characteristics of an elementary data item. These characteristics are elaborated below: Class: In COBOL the
Valid and Invalid Word - Cobol words: Valid Word Invalid Word & Reason emp-sal -pay ( it starts with a hyphen) TOTAL MARK (blank space em
PROGRAM USING OCCURS CLAUSE: We have to write a simple program to demonstrate Occurs Clause. Get the employee details for 3 persons and compute the total salary. identifica
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