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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 identifier or an arithmetic expression. The format of this condition is as shown below:
When an arithmetic expression is used, it should contain at least one of the identifier. The POSITIVE option establishes the value of the condition to be true only if the value of the operand is firmly positive. This means that the zero value is not considered as positive.
VALUE CLAUSE: The value clause defines the preliminary value of the data item. Normally initialization will be completed just before the first statement in the procedure di
Example of Open statement: Illustration: The OPEN INPUT TRANSACTION, OLD-MASTER OUTPUT NEW-MASTER. The illustration represents that there are two input files named the
File- Section &Working-Storage Section: a) FILE SECTION: The FILE SECTION includes the explanation of all data items that must be read from or written onto some external
BLOCK CONTAINS CLAUSE: Integer -1 of the BLOCK CONTAINS clause indicates the block size either in terms of records or in terms of characters. For illustration, BLOCK CONTAINS
OCCURS - INDEXED BY PROGRAM: identification division. program- id. searching. environment division. data division. working-storage section. 01 table1. 0
Example of File-control: The assign clause assigns a specific physical peripheral device name to a file. The physical peripheral device are machine-dependent. We use the devic
program
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
TO WRITE A QUADRATIC EQN ROOTS ARE COMPLEX IN COBOL PROGRAM
MERGE VERB WITH OUTPUT PROCEDURE: Like the sort verb, the merge verb can also have an output procedure. The syntax of the MERGE verb is as shown below: The r
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