How did PL/I originate?
What is the difference between bulitin fuction VERIFY and INDEX?
On what systems PL/1 is available?
What are the different storage classes in PL/1?
Difference between Do While and Do Until?
What are the CONDITIONS in PL/1?
Pseudo Variables in PL/1?
What are the different options in OPTIONS?
What is the use of GET LIST and PUT LIST?
Difference between main program and a sub program in PL/1?
What are the different datatypes in PL/1?
What is PL/I?