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INPUT-OUTPUT SECTION:
This section holds information regarding the files to be used in the program. There are 2 paragraphs in this section- FILE-CONTROL & I-O-CONTROL.
The FILE-CONTROL is used almost in every program. Below are some of the entries of the FILE-CONTROL paragraph. The Input-Output section is elective in many computers.
Concept of a two-dimensional table: Concept of a two-dimensional table can be easily extended to tables having three or more dimensions. The Handling of tables up to three dim
Name the divisions in a COBOL program are given below DENTIFICATION DIVISION DATA DIVISION ENVIRONMENT DIVISION PROCEDURE DIVISION.
RULES OF REDEFINES CLAUSE The rules shown below govern the use of the REDEFINES clause: (i) The level-number of data-name-1 and data-name-2 should be identical. (ii) Exce
Non numeric: The nonnumeric literal is used in normal to output messages or headings. The Characters which are enclosed between " " constitute nonnumeric literal. The maximum
CR and DB (Credit and Debit Sign): The two characters that is CR or DB symbol may appear only at the rightmost place of the picture. They are similar to the minus sign edit ch
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 FOR ADD VERB: We have to write a simple program to elaborate the ADD verb. You can also use edit characters in the program. Identification division. Program- id.
ADD and SUBTRACT CORRESPONDING: The CORRESPONDING option can also used with the ADD and SUBTRACT verbs. The following are some of the formats of these verbs with the CORRESPON
CLASS CONDITION: The class condition establishes whether or not the value of the operand is numeric or alphabetic. The operand is numeric if it contains only the digits 0 t
RELATIVE FILES: The Files that are stored on a direct access storage medium like magnetic disk are frequently known as direct access files. The COBOL supports three different
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