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PROGRAMS FOR REDEFINES CLAUSE:
We have to write a simple program to explain the REDEFINES clause at 01 level.
identification division.
program- id. Redef.
environment division.
data division.
working-storage section.
01 a pic 9(3) value 125.
01 r pic 9(2) redefines a.
procedure division.
p-1.
display(1 1) erase.
display(5 5) "Value of r = " r.
stop run.
Note: The outcome of the program will be
Value of r = 12.
This output is arrived by using Redefining the variable a.
Configuration Section: This section holds an overall specification of the computer used for the purpose of the compilation and execution of the program. There are in all 3 par
Character Set: To study any language, first one should know the alphabets of the language and they are termed as character set in general. There are 50 different characters in
NONSTANDARD CLAUSES: The various clauses explained above are as per the ANSI standard. Also, most compilers provide for additional nonstandard clauses to meet the specific nec
Introduction to COBOL: In the year 1959, a new language named the COBOL ( CO mmon B usiness O riented L anguage) was introduced remembering the business purpose application
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
DELETE STATEMENT : The file should be opened in the I-O mode. If the access is SEQUENTIAL, the INVALID KEY phrase must be specified. Rather than, the last input-output state
PERFORM WITH VARYING OPTION: The format is as shown below:
single program how may when statement has used
SEQUENTIAL FILES: The purpose of the proposed section is to introduce the concepts such as File characteristics, File Description for Fixed-Length Records, File-Control
Evaluate is like a case statement & Evaluate stamenet can be used to replace nested Ifs. The difference b/w EVALUATE and case is that there is no 'break' is required for EVALUATE
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