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INPUT-OUTPUT SECTION:
This section holds information regarding the files to be used in the program. There are 2 paragraphs in this section- FILE-CONTROL & I-O-CONTROL.
The FILE-CONTROL is used almost in every program. Below are some of the entries of the FILE-CONTROL paragraph. The Input-Output section is elective in many computers.
Illustration of simple sort verb: Illustration: Suppose that we have a card file with the following records description in the data division. The names of the work fil
PROGRAM FOR ADD CORRESPONDING: We have to write a simple program to demonstrate Add Corresponding. identification division. program- id. environment division.
Rules for constructing an Arithmetic Expression: The rules for constructing an arithmetic expression are as shown below: (i) When an arithmetic expression specifies a calcu
File volatility: File volatility associates to the number of times the updating of records are needed during some time period. File interrogation: Some files hold re
Illustration of Divide verb: (a) DIVIDE 5 INTO A. If the value of A is 20, then after execution of this statement the value of A will be 4. The older value of A will be los
Second form of Divide verb: The second form of this verb is as shown below: In this situation the identifier-1 or numeric- literal-1 will be divided by identifier-2 or
Selection of file Organization: While designing a file, the programmer should select an appropriate association for a file. The order in which the choice is to be made is as s
PROGRAM FOR COMPUTE VERB: We have to write an easy program to elaborate the COMPUTE verb. Identification division. Program- id. compverb. Environment division. Da
Data types available in COBOL are given below Alpha-numeric (X), numeric (9), alphabetic (A)
.(Period or Decimal Point) : The period may be used to insert a decimal point and may not come into view more than once. Both the period and V cannot appear in similar picture
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