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ADD and SUBTRACT CORRESPONDING:
The CORRESPONDING option can also used with the ADD and SUBTRACT verbs. The following are some of the formats of these verbs with the CORRESPONDING option.
In the situation of the ADD statement, the numeric elementary items in the group referred to by identifier-1 are added to and stored in the equivalent elementary items of the group named in identifier-2. In the situation of the SUBTRACT statement, the equivalent numeric elementary items of the group referred to by identifier-1 are subtracted from and are stored in the equivalent numeric elementary items of the group referred to by identifier-2.
OPEN STATEMENT: Whenever a READ or a WRITE operation is executed on a file, then it should be open. The opening of a file may be completed with the help of the OPEN verb. With
PROGRAM FOR PERFORM ...UNTIL We have to write a program to find the sum of "n" natural numbers. Identification division. Program- id. PerfUntil. Environment division.
READ STATEMENT: The aim of this verb is to make available the next logical record from the input file. It is important to note the meaning of the "next" logical record in the
PERFORM WITH TIMES OPTION: The format of a PERFORM TIMES statement is as shown below: Illustration: A) Perform the para-2 5 times. In this situation the specifie
WRITE STATEMENT: The WRITE Statement verb releases a record in an output file. The syntax for the WRITE statement can be unlike depending on the output device and the medium us
Valid and Invalid Word - Cobol words: Valid Word Invalid Word & Reason emp-sal -pay ( it starts with a hyphen) TOTAL MARK (blank space em
FILE-CONTROL paragraph for the relative files: The normal format for the SELECT clause for a relative file is as shown below. SELECT file-name ASSIGN TO implementor-nam
Illustration of Search verb: To illustrate the other use of SEARCH verb, assume we wish to search the similar tab to find the number of persons whose deposited amount is more
Write a COBOL IF sentence to use the values of numeric variables EXAM and COURSEWORK , both assumed to be with format PIC 999 and in the range 0 to 100 and to move the value:
Encryption and Decryption
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