What Is COBOL Language?

COBOL language is a process-oriented high-level programming language that is mainly used for data processing. It is the most widely used high-level language in the world. COBOL is the abbreviation of English Common Business-Oriented Language, which was originally intended to be a common language for business. It uses more than 300 English words as reserved words to describe data characteristics and data processing in a form close to English written language, so it is easy to understand and learn. COBOL language is a high-level language specially designed for business management. It can be used in statistical reports, financial accounting, planning, job scheduling, information retrieval and personnel management.

COBOL language is a process-oriented high-level programming language that is mainly used for data processing. It is currently the most widely used high-level language in the world.
Computers began to be used in business and enterprises in the mid-1950s
The main feature of COBOL language is [1]
  • Identification Department (IDENTIFICATIONDIVISION): Used to identify the program name.
  • Environment Department (ENVIRONMENTDIVISION): Used to explain the environment in which the program runs.
  • Data department (DATADIVISION): used to explain all the data involved in the program.
  • Process department (PROCEDUREDIVISION): is the core part of the program, it determines what the computer should do.
  • Hierarchical concept: the subordinate relationship between data.
  • File concept: Multiple records can make up a file.
  • The concept of records: the largest set of data items with a certain hierarchical relationship, which is the largest access item with independent logical meaning in memory, with the highest level.

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