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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 TRANSACTION and OLD-MASTER and one output file known as the NEW-MASTER. All these files are opened and these are prepared for reading or writing.
OPEN INPUT MARK-FILE.
OPEN OUTPUT RESULT-FILE.
The first OPEN statement opens the MARK-FILE in the input mode and the file is ready for the reading. The later statement makes the RESULT-FILE ready for the writing. There may be numerous OPEN statements in a program.
FILE CHARACTERISTICS: The task of file handling is the responsibility of the system software termed as IOCS (Input-Output control system). Record Size: We know that th
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
Floating Insertion The currency symbol ($) can emerge in multiples on the left-hand side of the picture. In this situation the character will be treated in similar way as t
OCCURS CLAUSE - PROGRAM: We have to write a program to elaborate occurs clause. Get names and marks of the students and show them on the screen. identification division.
REDEFINES CLAUSE: At times it may be found that two or more storage regions defined in the DATA DIVISION are not in use concurrently. In such situations only one storage regio
Encryption and Decryption
calculate simple interest
ARITHMETIC VERBS: Most of the problems need some computations to be performed on the input or intermediate data that are numeric in nature. The Arithmetic verbs are used to pe
PROGRAM FOR IF : We have to write a program to check whether the given number is ODD or EVEN. Identification division. Program- id. Ifst. Environment division.
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