Test: Code Optimization - Computer Science Engineering (CSE) MCQ

Only syntactical errors can be detected by the compiler.

A two-pass assembler. Each pass scans the program, the first pass generates the symbol table and the second pass generates the machine code…

A loader is the part of an operating system that is responsible for loading programs and libraries. It is important that with the starting of a program, as it places programs into memory and executes it.

A compiler is a computer program (or set of programs) that transforms source code written in a programming language (the source language) into another computer language (the target language, often having a binary form known as object code).

No Logical errors can’t be detected.

 An assembly language (or assembler language) is a low-level programming language for a computer, or other programmable device, in which there is a very strong (generally one-to-one) correspondence between the language and the architecture’s machine code instructions.

A loader which combines the functions of a relocating loader with the ability to combine a number of program segments that have been independently compiled into an executable program.

A general-purpose macro processor or general purpose preprocessor is a macro …designed for string manipulation, macro definition.

 A linker or link editor is a computer program that takes one or more object files generated by a compiler and combines them into a single executable file, library file, or another object file.

Correct Answer :- a

Explanation : The string w = xxxxyzz from the given grammar and attach the Symantec actions as follows

S→y           2

W→Sz        23 231

S→xxW      23 13

W →Sz       23131

S → x x W