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SIGN CONDITION:
The sign condition establishes whether or not the algebraic value of an operand is negative, positive or zero. The operand can be either the numeric identifier or an arithmetic expression. The format of this condition is as shown below:
When an arithmetic expression is used, it should contain at least one of the identifier. The POSITIVE option establishes the value of the condition to be true only if the value of the operand is firmly positive. This means that the zero value is not considered as positive.
Illustration of nested if statement: Consider the nested sentence which is as shown below: The IF-ELSE pairs in this sentence can be detected by applying the rule whic
Buffers: The Modern computers are able of handling I-O operations independent of the CPU by means of the hardware termed as data channel. For illustration, if two buffers a
Example of Sign condition: The illustration below describes the use of the sign condition. Illustration: 77 BALANCE PIC S9 (6) V99. . . I
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
RESERVE clause: This clause indicates the number of buffers to be used for the file. Integer-1 specifies this number. ORGANIZATION/ACCESS clause: These two clause
OCCURS - INDEXED BY PROGRAM: identification division. program- id. searching. environment division. data division. working-storage section. 01 table1. 0
PROGRAM FOR COMPUTE VERB: We have to write an easy program to elaborate the COMPUTE verb. Identification division. Program- id. compverb. Environment division. Da
Direct Organization: Besides the relative or indexed organization, also a direct access file can be designed to have what is termed as direct organization. In this organizati
Example of Write statement: Illustration: (i) WRITE TRANS-RECORD AFTER ADVANCING 3 LINES. This WRITE statement specified that the TRANS-RECORD is a record name of a fi
Point Location: The position of the decimal point is the other characteristic which can be specified in the case of the numeric data items. If the position is not specified, t
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