Cobol
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1
BACHELOR OF COMPUTER APPLICATIONS (BCA) COBOL
CONTENTS Syllabus
UNIT –1 Lesson-1 Lesson-2 Lesson-3 Lesson-4 Lesson-5 UNIT – 2 Lesson-6 Lesson-7 Lesson-8 Lesson-9 Lesson-10 UNIT – 3 Lesson-11 Lesson-12 Lesson-13 Lesson-14 Lesson-15 UNIT– 4 Lesson-16 Lesson-17 Lesson-18 Lesson-19 Lesson-20 UNIT – 5 Lesson-21 Lesson-22 Lesson-23 Lesson-24 Lesson-25 Introduction to COBOL Divisions of COBOL Picture clause characteristics Editing Level Structure PAGE NO 1 9 16 20 26
Data Movement verb: MOVE Arithmetic Verbs Input and Output Verbs Corresponding Options Programs using Arithmetic Verbs
30 34 41 48 54
Conditions Conditionals Statements PERFORM statements RENAMES & REDEFINES Clauses Programs
60 70 77 82 86
Sequential Files Direct Access Files Indexed Sequential Files Sorting and Merging of Files Programs
92 98 102 107 114
Table Handling Indexed Tables & Index Names Search & Start Verbs Programs using OCCURS & Screen Section List of Programs
123 128 132 136 142
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2
UNIT – I
LESSON – 1: INTRODUCTION TO COBOL
CONTENTS 1.0 Aims and Objectives 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 1.10 1.11 1.12 History of COBOL FORMAT FOR COBOL PROGRAMS STRUCTURE OF A COBOL PROGRAM CHARACTER SET COBOL WORDS DATA NAMES AND IDENTIFIERS LITERALS Language Description Notation Let us Sum up Lesson-end Activities Points for Discussion References
1.0 AIMS AND OBJECTIVES In this lesson, the learner will be introduced the History of Cobol , Structure of a COBOL program, Character set, words, data names and identifiers and Literals of COBOL. The objective here is to familiarize him the prerequisites to understand the language. 1.1 HISTORY OF COBOL 0In 1959, the new language named COBOL (COmmon Business Oriented Language) was introduced keeping in mind the business purpose applications.
1
BACHELOR OF COMPUTER APPLICATIONS (BCA) COBOL
CONTENTS Syllabus
UNIT –1 Lesson-1 Lesson-2 Lesson-3 Lesson-4 Lesson-5 UNIT – 2 Lesson-6 Lesson-7 Lesson-8 Lesson-9 Lesson-10 UNIT – 3 Lesson-11 Lesson-12 Lesson-13 Lesson-14 Lesson-15 UNIT– 4 Lesson-16 Lesson-17 Lesson-18 Lesson-19 Lesson-20 UNIT – 5 Lesson-21 Lesson-22 Lesson-23 Lesson-24 Lesson-25 Introduction to COBOL Divisions of COBOL Picture clause characteristics Editing Level Structure PAGE NO 1 9 16 20 26
Data Movement verb: MOVE Arithmetic Verbs Input and Output Verbs Corresponding Options Programs using Arithmetic Verbs
30 34 41 48 54
Conditions Conditionals Statements PERFORM statements RENAMES & REDEFINES Clauses Programs
60 70 77 82 86
Sequential Files Direct Access Files Indexed Sequential Files Sorting and Merging of Files Programs
92 98 102 107 114
Table Handling Indexed Tables & Index Names Search & Start Verbs Programs using OCCURS & Screen Section List of Programs
123 128 132 136 142
This watermark does not appear in the registered version - http://www.clicktoconvert.com
2
UNIT – I
LESSON – 1: INTRODUCTION TO COBOL
CONTENTS 1.0 Aims and Objectives 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 1.10 1.11 1.12 History of COBOL FORMAT FOR COBOL PROGRAMS STRUCTURE OF A COBOL PROGRAM CHARACTER SET COBOL WORDS DATA NAMES AND IDENTIFIERS LITERALS Language Description Notation Let us Sum up Lesson-end Activities Points for Discussion References
1.0 AIMS AND OBJECTIVES In this lesson, the learner will be introduced the History of Cobol , Structure of a COBOL program, Character set, words, data names and identifiers and Literals of COBOL. The objective here is to familiarize him the prerequisites to understand the language. 1.1 HISTORY OF COBOL 0In 1959, the new language named COBOL (COmmon Business Oriented Language) was introduced keeping in mind the business purpose applications.