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Character Set:
To study any language, first one should know the alphabets of the language and they are termed as character set in general. There are 50 different characters in the COBOL character set.
They are listed as below:
0-9 (10 numerals)
A-Z (26 English alphabets-only capital letters)
- (hyphen or minus sign)
+ (Plus sign)
* (Asterisk)
/ (Slash)
0= (Equal sign)
$ (Currency sign)
, (Comma)
; (Semi colon)
. (Period or decimal point)
" (Quotation mark)
( (Left Parenthesis)
) (Right Parenthesis)
> (Greater than symbol)
< (Less than symbol)
The characters 0-9 are known as numeric characters or digits. The characters A-Z are known as letters and the remaining characters are known as special characters. The space or blank character in many cases is treated as a letter.
Example of Sign condition: The illustration below describes the use of the sign condition. Illustration: 77 BALANCE PIC S9 (6) V99. . . I
PROGRAM FOR SIZE ERROR: We have to write an easy program to elaborate the size error option. Identification division. Program- id. sizeerr. Environment division.
FD Entry for variable-length Records: The RECORDS CONTAINS and BLOCK CONTAINS clause are quite dissimilar in the case of files with variable- length records. The syntax of the
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 RECORD CLAUSE: The DATA RECORD clause, documents the record names defined for the file. For illustration, DATA RECORDS ARE REC-1, REC-2, REC-3 that means there are 3diffe
GO TO, STOP RUN: The GO TO verb is used to completely transfer the control to elsewhere in the program. Its form is as shown below: GO TO procedure-name As a result o
NEGATED SIMPLE CONDITION: Any of the easy condition explained can be preceded by the logical operator NOT. The consequence of placing the operator NOT before an easy condition
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.
Record Description for the Variable-length Records: When the variable- length records consists of records of various lengths, each record type is to be explained at level 01 f
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.
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