Compiler Passes and Multi-pass Compiler Quiz

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What is the purpose of the code generator in a compiler?

To perform syntactic analysis

To translate the source code into machine code (correct)

To optimize the intermediate code

To manage the compilation passes

What is a 'pass' in the context of a compiler?

A phase in the compilation process

A complete traversal of the source program (correct)

The input to the semantic analysis

The output of the syntactic analysis

How many passes does a typical compiler have?

Three passes

The number of passes is variable

Two passes (correct)

One pass

What is the purpose of the first pass in a multi-pass compiler?

To read the source program and extract tokens Signup and view all the answers

What is the purpose of the second pass in a multi-pass compiler?

To read the output file from the first pass and build the syntactic tree Signup and view all the answers

What is the main difference between a one-pass compiler and a multi-pass compiler?

A one-pass compiler traverses the program only once, while a multi-pass compiler traverses the program multiple times Signup and view all the answers

What is the purpose of machine-independent optimization?

To improve the intermediate code for better target code generation Signup and view all the answers

What kind of inefficiencies can be introduced during intermediate code generation?

Using variables instead of constants Signup and view all the answers

Which of the following is NOT a potential optimization technique mentioned in the text?

Performing register allocation Signup and view all the answers

What is compile-time evaluation?

Evaluating constant expressions at compile time Signup and view all the answers

Which stage of the compiler is responsible for generating intermediate code?

Code generation Signup and view all the answers

Which of the following statements is true about machine-independent optimization?

It can change the structure of the program beyond recognition Signup and view all the answers

What is the primary function of a compiler in the language processing system?

To convert high-level language instructions into machine-understandable format Signup and view all the answers

What is the purpose of the preprocessor in the language processing system?

To perform tasks like macro-expansion and file inclusion before the compiler processes the code Signup and view all the answers

Why is writing a program directly in binary language considered difficult?

Machines/computers are not capable of understanding binary language Signup and view all the answers

What is the second step in a machine's language processing system?

Compiling the preprocessed code Signup and view all the answers

What is the role of the preprocessor in the language processing system?

To expand macros and include specified header files before the compiler processes the code Signup and view all the answers

Compiler Passes and Multi-pass Compiler Quiz

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