COBOL
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Course Overview
COBOL (Common Business Oriented Language) was one of the earliest high-level programming languages. This course teaches the structure of the language and the writing of simple to moderately complex programs.In this we use flowcharts, pseudo code, and structure charts are used as design tools.This series examines the program structure, specifications, and instructions. Coding, compiling procedures, and compiler output are also covered. This training is highly customized to the client environment and includes programming standards and approved methods of structuring programs
At the end of the training, participants will be able to:
Pre-requisite
Attendees should have basic computer knowledge.
Duarion
5 days
Course Outline
- Compilation
- linkage editor
- Compile errors
- compiler options
- Divisions
- Syntax and format
- COBOL character set
- program structure
- COBOL words
- format of statements
- DIVISIONS
- Identification entries
- Environment entries
- Data division: FD
- record descriptions
- hierarchy and level numbers
- description-string entry
- Literals
- figurative constants
- redefines clause
- data representation
- Usage clause
- synchronization
- sign clause
- File status codes; Open, Read, Write, Close, Stop, Goback; Accept, display; Move, Justified, data name qualification, reference modification
- PERFORM STATEMENT
- Out-of-line, With test … Until, … Times
- in-line statement; Go to statement
- Design techniques
- design considerations
- procedure names
- program structure
- PRINTING
- Printed output
- Write
- advancing option
- editing characters; Initialize
- Conditional statements: IF
- class
- sign and relation conditions
- condition-name conditionals
- Set
- compound conditions
- logical operators. Evaluate, Continue.
- Rounded option
- On Size Error option
- Add
- Subtract
- Multiply
- Divide
- Compute
- File access modes
- Select
- Indexed and relative files Open, Close,
- creating / reading sequential access files, Write, Read, Invalid key clause, reading, writing
- updating Random access files, Rewrite, Delete, Start
- Clauses
- Call
- Using clause – calling program/called program
- Linkage Section
- returning control
- Subscripted tables: One/two/three dimensional tables
- Perform
- variable length tables
- Indexed tables: Set, using an index; Search
- Copy
- Suppress
- Replacing
- Inspect
- String
- Unstring
- LE/370 and Intrinsic Functions.
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