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IF STATEMENT:
The easiest form of the IF statement is
IF condition-1 statement-1
where the condition-1 may be any one from the shown below.
When the condition-1 becomes true then statement-1 will be executed. The Statement-1 can be an easy statement or a compound statement. If the conditions fail then control goes to the next statement.
Illustration:
1) IF A > B DISPLAY " A IS BIG"
2) IF BASIC-PAY NOT > 5000 GO TO TEST-PARA.
PROGRAM FOR IF : We have to write a program to check whether the given number is ODD or EVEN. Identification division. Program- id. Ifst. Environment division.
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Display control verbs in Cobol
Example of Class condition: Let the BASIC-PAY be a data name in the card record defined with picture 9(5) V99. By reading the card we can test the value of the BASIC-PAY to ma
Sign - Picture clause: The numeric data item can be signed or unsigned. If a numeric data is regarded as unsigned then during the execution these unsigned data items are treat
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B (Blank Insertion) : The occurrence of a B anyplace in the picture will insert a space character in the edited data. There can be more than one B in the picture. Examples:
INDEXED SEQUENTIAL FILES: In the indexed sequential files which are also known as indexed files, the records are stored in the sequence order generally in ascending order. In
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