February 22, 2022
Introduction to COBOL. The 4 divisions of the program. Basic input and output. Use of IDE Cobol.
Components of the first 2 divisions, A margin, B margin, comments
77 level, picture clause, accept data from user, numeric and alpha numeric types
Add, Subtract, Multiply, Divide, Compute verbs
Move values, if conditions and branching
Using sign and decimal places in numeric variables. Implicit and explicit decimal points
Suppress leading zeroes using Z and - clauses, Value clause
Modular program using Perform, Loop using perform statement
Loop until a condition becomes true, execute many paras, global variables
Arrays, Occurs, Record levels, element qualification using OF