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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.
Structure of a COBOL Program: Every COBOL program should have the 4 divisions in the order in which they are specified below: 1. Identification division 2. Environment D
Example of Sign condition: The illustration below describes the use of the sign condition. Illustration: 77 BALANCE PIC S9 (6) V99. . . I
PROGRAM FOR INDEXED SEQUENTIAL FILE CREATION: We have to write a program to create an Indexed Sequential File in a dynamic mode for Student particulars. Suppose just 3 fields:
can we move spaces to numeric field
program
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
MULTIPLY VERB: The Multiply Verb causes one or more multiplicands to be multiplied by the multiplier and to store the products. The form of the MULTIPLY verb is as shown be
RESERVE clause: This clause indicates the number of buffers to be used for the file. Integer-1 specifies this number. ORGANIZATION/ACCESS clause: These two clause
RELATIONAL CONDITION: We know that a relational condition specifies a comparison between two operands and has the form. Operand-1 relational-operator operand-2
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 "-"
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