case study, COBOL Programming

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cobol program for generate a eb bill

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File- section and working-storage section, File- Section &Working-Storage S...

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

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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.

Blank insertion and zero insertion, B (Blank Insertion) : The occurren...

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:

Minus sign - edit characters for numeric data , Minus sign - edit character...

Minus sign - edit characters for numeric data: The minus sign can appear either at the leftmost or rightmost location of the picture. If an item is negative, a minus sign will

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Write a COBOL IF sentence to use the values of numeric variables EXAM and COURSEWORK , both assumed to be with format PIC 999 and in the range 0 to 100 and to move the value:

Rules of renames clause, RULES OF RENAMES CLAUSE:   The rules below s...

RULES OF RENAMES CLAUSE:   The rules below should be observed while using the RENAMES clause: (i) All RENAMES entries should be written only after the last record descript

Record description for the variable-length records, Record Description for ...

Record Description for the Variable-length Records: When the variable- length records consists of records of various lengths, each record type is to be explained at level 01 f

Delete statement - indexed files, DELETE STATEMENT : The file should be...

DELETE STATEMENT : The file should be opened in the I-O mode. If the access is SEQUENTIAL, the INVALID KEY phrase must be specified. Rather than, the last input-output state

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NESTED IF STATEMENT:   The then and else statement of an IF statement can hold other IF statements. The involved IF statements in their turn may also hold other IF statements

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