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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.
COBOL Words: The COBOL word can be formed by using the characters as shown below: 0-9 A-Z (a-z) - (hyphen) The rules below should be hold in forming the COBOL words.
PROGRAM FOR COMPUTE VERB: We have to write an easy program to elaborate the COMPUTE verb. Identification division. Program- id. compverb. Environment division. Da
File Description for the Relative and Indexed Files: The FD entry for a relative or an indexed file is similar to that of a sequential file. Some compilers do not permit varia
FILE STATUS clause: This clause has been involved in the above syntax for completeness. The ORGANIZATION, REVERSE, ACCESS and STATUS clause can be specified in any order.
PROGRAM FOR ADD CORRESPONDING: We have to write a simple program to demonstrate Add Corresponding. identification division. program- id. environment division.
we have input file ,record layout is EMP ID (6 char) , EMP NAME (20 char), Designation (3 char),Salary (5 digit) Base Branch (10char) Grade (3 Alphanumeric). This is the input file
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
Introduction to MOVE Verb: The aim of this section is to introduce the learner how to move data from one place to the other place in the memory. This is completed with the help
PROGRAM FOR RENAMES CLAUSE: identification division. program- id. environment division. data division. working-storage section. 01 emp. 02 empdet.
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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