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Second form of Divide verb:
The second form of this verb is as shown below:
In this situation the identifier-1 or numeric- literal-1 will be divided by identifier-2 or numeric-literal-2, whatever may be the situation. The result is stored in the identifier-3, identifier-4, etc.
Illustration:
DIVIDE A BY 3 GIVING C.
If the value of A is 21 then after execution of this statement C will hold 7. There is the other form of DIVIDE verb where there is a condition to store the remainder. Its form is
DIVIDE A INTO B GIVING C REMAINDER D.
If the identifier A, B, C & D are all 2-digited numbers and if they holds 05, 37, 18 & 20 respectively before the execution of the statement, then after execution of the statement, they will hold 05, 37, 07 & 02 correspondingly.
Structure of a COBOL Program: Every COBOL program should have the 4 divisions in the order in which they are specified below: 1. Identification division 2. Environment D
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
Rules of read statements: The next record is identified according to the rules as shown below: (i) Whenever the READ NEXT statement is the initial statement to be executed
File Activity: The file activity is a measure of the proportion of records processed during an update run. Therefore we define the activity ration as shown below. Activi
Figurative Constants: The Figurative constants have several fixed names and the compiler recognizes these names and it sets up the equivalent values in the object program.
STATEMENTS FOR SEQUENTIAL FILES: A basic operation on a file includes the reading and writing of its records. Whenever the file is sequential, there are three verbs for the
Comparison of Numeric Operands: We are well-known with the kind of the relational condition where both the operands are numeric. The comparison in this situation is algebraic
Example of condition names: The illustration below is of the use of the condition names 77 MARITAL-STATUS PIC 9 88 SINGLE VALUE IS ZERO 88 MA
GO TO, STOP RUN: The GO TO verb is used to completely transfer the control to elsewhere in the program. Its form is as shown below: GO TO procedure-name As a result o
Example of read statement: Illustration: READ OLD-MASTER AT END MOVE ZERO TO END-OF-RECORDS. As a result of this statement, generally the next record from the OLD-MAST
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