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Example of Special-names:
Consider the illustration: Let the SPECIAL-NAMES paragraph be as shown:
SPECIAL-NAMES. CHANNEL 1 IS PAGE-TOP.
The Channel is related with the top of the page. Whereas instructing the computer to write a line on the line printer, the programmer may like to state that the line should be printed as the first line on a new page. This may be completed by involving the ADVANCE TO CHANNEL 1 clause in the write statement. The aim of the special name clause illustrated above is to enable the programmer to substitute CHANNEL 1 by PAGE-TOP in the ADVANCING clause. The idea is to give better documentation. If one favors to use CHANNEL 1 in the write statement, then the special name entry is not needed.
OCCURS CLAUSE - PROGRAM: We have to write a program to demonstrate the occurs clause. Get names of the students and show them on the screen. identification division.
COMPUTE VERB: The COMPUTE verb is very powerful. All the evaluations performed by the other 4 verbs can also be completed easily by using the COMPUTE verb. Its normal format i
INDEXED SEQUENTIAL FILES: In the indexed sequential files which are also known as indexed files, the records are stored in the sequence order generally in ascending order. In
IF STATEMENT: The easiest form of the IF statement is IF condition-1 statement-1 where the condition-1 may be any one from the shown below. When the condition-1
program
Comparison of the Numeric Operand with Nonnumeric Operand: The numeric operand can be compared to the nonnumeric operand subject to the restrictions which are as follows.
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:
RELATIVE FILES: The Files that are stored on a direct access storage medium like magnetic disk are frequently known as direct access files. The COBOL supports three different
Figurative Constants: The Figurative constants have several fixed names and the compiler recognizes these names and it sets up the equivalent values in the object program.
Example of condition names: The illustration below is of the use of the condition names 77 MARITAL-STATUS PIC 9 88 SINGLE VALUE IS ZERO 88 MA
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