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PROGRAM FOR COMPUTE VERB:
We have to write an easy program to elaborate the COMPUTE verb.
Identification division.
Program- id. compverb.
Environment division.
Data division.
Working-storage section.
77 a pic s9(3)v9(2) value 0.
77 b pic s9(3)v9(2) value 0.
77 c pic s9(4)v9(2) value 0.
7 e-c pic +z(4).z(2).
Procedure division.
Para-1.
Display(1 1) erase.
Display(3 5) "Enter first number :".
Accept a.
Display(5 5) "Enter second number :".
Accept b.
Compute c= a+b.
Move c to e-c.
Display(15 5) "Answer = " e-c.
Stop run.
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
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
PROGRAM FOR ADD VERB: We have to write a simple program to elaborate the ADD verb. You can also use edit characters in the program. Identification division. Program- id.
Label Records / Disk Directory: The most important information stored in the header label is what is termed as the file title. In the situation of magnetic-disk files the labe
Common form of the READ statements: Format 1 is the common form of the READ statements. Format 2 is used when the access mode is either random or dynamic. For illustration,
WRITE STATEMENT: The WRITE Statement verb releases a record in an output file. The syntax for the WRITE statement can be unlike depending on the output device and the medium us
OPEN STATEMENT: Whenever a READ or a WRITE operation is executed on a file, then it should be open. The opening of a file may be completed with the help of the OPEN verb. With
READ STATEMENTS: The common format for the read statements is as shown bellow. Format 1: READ file-name RECORD [ INTO identifier ] [ ; AT END imperative-s
PROGRAM FOR IF -ELSE: We have to write a program to check whether the given number is ODD or EVEN. You can use IF..ELSE. Identification division. Program- id. IfElse.
Valid and Invalid Word - Cobol words: Valid Word Invalid Word & Reason emp-sal -pay ( it starts with a hyphen) TOTAL MARK (blank space em
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