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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.
ROUNDED OPTION: Let us consider the DATA DIVISION entries which are as shown below: Now, subsequent to the execution of the statement ADD A B GIVING C, the C will hold
PROGRAM TO DEMONSTRATE SORT VERB: The file for which a record having 2 fields, viz., Account Number and Name is already available. Sort the file based on the ascending order o
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:
FILLER CLAUSE: Consider the statements as shown below: 1) 01 f pic x(80) value all "-". This statement origins a line of 80 characters filled with "-"
RULES FOR INDEXED TABLES: The rules of indexing a table with an INDEXED phrase are as shown below: (1) If indexing is completed for any one level of a table, then indexing
Rules for constructing an Arithmetic Expression: The rules for constructing an arithmetic expression are as shown below: (i) When an arithmetic expression specifies a calcu
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
DELETE STATEMENT: The format of the delete statement is as shown below: DELETE file-name RECORD [ ; INVALID KEY imperative-statement ] Whenever the ACCESS MOD
Valid and Invalid Word - Cobol words: Valid Word Invalid Word & Reason emp-sal -pay ( it starts with a hyphen) TOTAL MARK (blank space em
Numeric - Literals : The numeric literal can be created with the help of digits only. It can have a sign (+ or -) and can also have a decimal point. If no sign is specifi
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