Systems software is a program that directs the overall operation of the computer, facilitates its use and interacts with the users. What are the different types of this software?

A. F8
B. 03 16
C. 0111EF
D. 42 65 61 72

A. a permanent table which lists all key words and special symbols of the language in symbolic form
B. assembly language version of the program which is created by the code generation phase and is input to the assembly phase
C. a permanent table of decision rules in the form of patterns for matching with the uniform symbol table to discover syntactic structure
D. consists of a full or partial list or the tokens as they appear in the program. Created by Lexical analysis and used for syntax analysis and interpretation

A. F8
B. 03 16
C. 0111EF
D. 42 65 61 72

A. A logical error in a program
B. A difficult syntax error in a program
C. Documenting programs using an efficient documentation tool
D. All of the above

A. Editor
B. Spooler
C. Debugger
D. All of the above

A. Reductions
B. Literal table
C. Identifier table
D. Terminal table