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Valid and Invalid Word - Cobol words:
Valid Word Invalid Word & Reason
emp-sal -pay ( it starts with a hyphen)
TOTAL MARK (blank space embedded)
There are 2 types of words in the COBOL. The COBOL word can be either a user-defined word or reserved word. The reserved words are used in the COBOL statements and entries for the specific aims by the COBOL compiler.
Some reserved words are shown below:
IF, PERFORM, ADD, SUBTRACT, MULTIPLY, DIVIDE etc.
FILE CHARACTERISTICS: The task of file handling is the responsibility of the system software termed as IOCS (Input-Output control system). Record Size: We know that th
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
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
Floating Insertion The currency symbol ($) can emerge in multiples on the left-hand side of the picture. In this situation the character will be treated in similar way as t
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
Group Item as Operand in the Relational Condition: Whenever an operand of a relational condition is the group item, the item is then considered to be an alphanumeric field. Th
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.
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
Example of Move corresponding: Consider the DATA DIVISION entries shown below. Suppose it is needed that the data stored in the 4 fields of the PAY_REC should be
Examples - Edit characters for numeric data: The following illustration illustrates the use of Z editing characters. The character b is used to indicate the space character an
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