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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.
LEVEL NUMBERS: The COBOL makes use of the level number concept to explain the hierarchical data structure. A level number is a 2 digit number. The permitted level numbers a
Illustration of Perform with varying option: A) Perform para-3 varying the k from 1 by 1 until k > 10. Here para-3 will be constantly executed 10 times (For k=1,2,3, .....1
REWRITE STATEMENT: As in the situation of a relative file, the REWRITE statement needs that the file should be opened in the I-O mode, and if the SEQENTIAL access mode is spec
Example of add verb: (a) ADD A TO B. This illustration represents that the value of A will be added to the value of B and the result will be stored in B. The alignment of
Example of Perform statement: PERFORM BEGIN-CALCULATION THRU END-CALCULATION. Assume, BEGIN-CALCULATION and END-CALCULTION is paragraph names. The execution of the PERFORM
MERGE VERB WITH OUTPUT PROCEDURE: Like the sort verb, the merge verb can also have an output procedure. The syntax of the MERGE verb is as shown below: The r
SEARCH VERB: The SEARCH verb is used to position elements in one-dimensional tables. Let us consider the following problem. Assume that each element of a table consists of thr
MULTIPLY VERB: The Multiply Verb causes one or more multiplicands to be multiplied by the multiplier and to store the products. The form of the MULTIPLY verb is as shown be
DISPLAY STATEMENT: The function of the DISPLAY statement is just opposite to that of the ACCEPT statement. It is used to display the low-volume results on the operator's co
CONDITION - COBOL Programming: The condition is an entity which at one point of time can have only one of the two values - true or false. As we already know that, the IF verb
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