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Object-Computer - Configuration section:
The computer name specifies a specific computer on which the object program is to be executed.
The MEMORY SIZE is used to show the amount of storage available to the object program. This clause is used in the conjunction with the SORT verb.
The PROGRAM COLLATING SEQUENCE clause specifies the collating sequence which is to be used to compare the nonnumeric data items. The alphabet name in this clause must be defined in the SPECIAL-NAMES paragraph to state the collating sequence. If this clause is missing or absent, the machine's own collating sequence known as the NATIVE is supposed.
The SEGMENT-LIMIT is used in most of the compilers to indicate that the sections having segment number less than the number specified in the integer-2 must be held in the permanent region of storage and must not be transferred to and from the virtual memory. All the entries in this paragraph are terminated using the period ( a dot). Below is the example of the OBJECT-COMPUTER paragraph.
OBJECT-COMPUTER.
MEMORY SIZE 8000 WORDS.
PROGRAM FOR SUBTRACT VERB: We have to write a simple program to elaborate the SUBTRACT verb. You can also use edit characters in the program. Identification division. Pr
PROCEDURE DIVISION statements for the relative files: The statements OPEN, CLOSE, READ, WRITE and REWRITE that are available for sequential files are also available for the re
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
SUBTRACT VERB: The SUBTRACT verb is used to subtract one, or the sum of two or more numbers from one or more numbers and to store the result. The form of the SUBTRACT verb
Record Description for the Variable-length Records: When the variable- length records consists of records of various lengths, each record type is to be explained at level 01 f
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
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
Environment Division: The Environment Division is the second division in the COBOL source program. It is mainly machine-dependent . The computer and all the peripheral dev
DIVIDE VERB: The aim of the DIVIDE verb is to divide one number by the other and to store the result. There are few forms of this verb. One of its forms is as shown below:
BLOCK CONTAINS CLAUSE: Integer -1 of the BLOCK CONTAINS clause indicates the block size either in terms of records or in terms of characters. For illustration, BLOCK CONTAINS
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