Language Processors
Which of the following functions is/ are performed by the loader?

Allocate space in memory for the programs and resolve symbolic references between object decks
Physically place the machine instructions and data into memory
Adjust all address dependent locations, such as address constants, to correspond to the allocated space
All of these

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Language Processors
Assembler is

is a program that appears to execute a source program as if it were machine language
a program that places programs into memory and prepares them for execution
a program that accepts a program written in a high level language and produces an object program
a program that automate the translation of assembly language into machine language

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Language Processors
Indicate which of the following is not true about 4GL?

A 4GL is a software tool which is written, possibly, in some third generation language
All of these
4GL does not support a high-level of screen interaction
Many database management system packages support 4GLs

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Language Processors
Assembly code data base is associated with

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 permanent table of decision rules in the form of patterns for matching with the uniform symbol table to discover syntactic structure
a permanent table which lists all key words and special symbols of the language in symbolic form
assembly language version of the program which is created by the code generation phase and is input to the assembly phase

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