COBOL => CO MMON B USINESS O RIENTED L ANGUAGE Cobol can be referred to as: Ø High-Level Programming language oriented tow...
COBOL
=> COMMON BUSINESS ORIENTED LANGUAGE
Cobol can be referred to as:
Ø
High-Level
Programming language oriented towards business applications.
Ø
A
procedure oriented language. A Procedure is a module having its own
functionality. A Problem may be segmented into multiple sub-functionalities.
Each sub-functionality is written as a Paragraph in Procedure Division and
executed in a logical sequence as mentioned.
Ø
Problem
Oriented and Machine independent
History
of COBOL
Ø Developed in 1959 as
standard language to meet needs of business
Ø Committee to develop
language convened by Department of Defense
ØIncluded representatives
from academia, business, computer manufacturers
Standard
Versions of COBOL
Ø 1960s - wide variations in
COBOL compilers
Ø 1968 - first COBOL standard set by American
National Standards Institute (ANSI)
Ø 1974 - second ANSI standard to make COBOL more
efficient, standardized
Ø 1985 - this ANSI standard incorporated structured
programming techniques
COBOL -
Some Characteristics
Ø COBOL is self-documenting
Ø COBOL is simple
Ø COBOL is non-proprietary
(portable)
COBOL is Maintainable
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