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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.
Literals: The actual values can too appear in a program. These values are termed as literals. For illustration, the statement MOVE 0 TO TOTAL indicates that the value zero wil
DELETE STATEMENT: The format of the delete statement is as shown below: DELETE file-name RECORD [ ; INVALID KEY imperative-statement ] Whenever the ACCESS MOD
RENAMES CLAUSE: At times re-grouping of an elementary data items in a record may be essential so that they can belong to the original as well as to the latest group. This is o
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
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.
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
FILE-CONTROL paragraph for the indexed files: The common format for the SELECT clause for a file is as shown below: SELECT file-name ASSIGN TO implementor -name
PROGRAM FOR COMPUTE VERB: We have to write an easy program to elaborate the COMPUTE verb. Identification division. Program- id. compverb. Environment division. Da
MULTI-DIMENSIONAL TABLES: The type of table which has been considered above is known as one-dimensional table. Whenever a table is such that each of its elements in turn is a
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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