Language Processors
The task(s) of the Lexial analysis phase is/are:

to build a literal table and an identifier table
to build a uniform symbol table
to parse the source program into the basic elements or tokens of the language
All of these

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Language Processors
A base register table

is a term that refers to the control programs of an operating system
allows the programmer to write base registers and displacements explicitly in the source program
is used to remember which of the general-purpose registers are currently available as base registers, and what base addresses they contain
allows multiple programs to reside in separate areas of core at the same time

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Language Processors
Bug means

Documenting programs using an efficient documentation tool
A difficult syntax error in a program
A logical error in a program
All of these

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