Operating System (OS)
The operating system allows the user to organize the computer's contents in a hierarchical structure of directories that include all of the following except:
to recognize the major constructs of the language and to call the appropriate action routines that will generate the intermediate form or matrix for these constructs.
to build a uniform symbol table
to build a literal table and an identifier table
to parse the source program into the basic elements or tokens of the language.
EXAMIANS