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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.
what does it used
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
MULTIPLY VERB: The Multiply Verb causes one or more multiplicands to be multiplied by the multiplier and to store the products. The form of the MULTIPLY verb is as shown be
we have input file ,record layout is EMP ID (6 char) , EMP NAME (20 char), Designation (3 char),Salary (5 digit) Base Branch (10char) Grade (3 Alphanumeric). This is the input file
COMPOUND CONDITION: The two simple conditions can be connected by the logical operators AND or OR to form a compound condition (also termed as combined condition). When two co
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
RULES FOR OCCURS CLAUSE: The rules apply for the OCCURS clause and the subscripts are as shown below. (1) The integer in the OCCURS clause should be a positive integer.
Introduction to COBOL: In the year 1959, a new language named the COBOL ( CO mmon B usiness O riented L anguage) was introduced remembering the business purpose application
Illustration of indexed tables: Index items defined through the INDEXED phrase of the OCCURS clause are one type of indexes. There can be other type of index items that are de
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