16 Questions
What does a computer system consist of?
Both hardware and software
What is the purpose of lexical analysis in the compilation process?
Group the characters into meaningful sequences called lexemes
What is the role of a compiler?
Convert high level language to low level language
Why are binary codes difficult to work with?
Because there is a need for translating symbolic programs into binary programs
What is the role of a hardware component of a computer system?
Physical components
What is the main function of a software compiler?
Converting high level language to low level language
What is the purpose of the Syntax Analysis phase?
To generate a parse tree or syntax tree
What is the role of the Semantic Analyzer phase?
To check for adherence to language rules and track identifiers
What does the Intermediate Code Generator phase produce?
Representation of final machine language code
What is the primary function of a cross compiler?
To generate machine code targeted for different systems
What is retargeting in the context of cross compilers?
Generating machine code targeted for different systems
In which phase is the representation of final machine language code produced?
Intermediate Code Generator
Which phase bridges the analysis and synthesis phase of translation?
Intermediate Code Generator
What is the primary function of the Code Optimizer phase?
To make the output run faster and take less space
What takes tokens produced by the lexical analyzer as input?
Syntax Analysis
What checks whether the parse tree constructed follows the rules of the language?
Semantic Analyzer
Study Notes
Computer System Components
- A computer system consists of hardware and software components.
Compilation Process
- Lexical analysis is the first phase of compilation, which breaks the source code into a series of tokens.
- The purpose of lexical analysis is to identify the keywords, identifiers, and symbols in the source code.
Compiler Role
- A compiler translates source code into machine code, allowing the computer to execute the program.
- The main function of a software compiler is to translate high-level language code into low-level machine code.
Binary Code
- Binary codes are difficult to work with because they are represented as a series of 0s and 1s, making them hard to read and understand.
Hardware Component Role
- The hardware component of a computer system executes the machine code generated by the compiler.
Syntax Analysis Phase
- The purpose of the Syntax Analysis phase is to check if the tokens produced by the lexical analyzer follow the rules of the language.
Semantic Analyzer Phase
- The Semantic Analyzer phase checks the meaning of the source code, ensuring that it is semantically correct.
Intermediate Code Generator Phase
- The Intermediate Code Generator phase produces an intermediate code, which is independent of the target machine.
Cross Compiler
- The primary function of a cross compiler is to compile code for a different platform or architecture.
- Retargeting in the context of cross compilers refers to the process of generating code for a different target machine.
Code Generation Phase
- The Code Generation phase produces the final machine language code.
Synthesis Phase
- The Code Generation phase bridges the analysis and synthesis phase of translation.
Code Optimizer Phase
- The primary function of the Code Optimizer phase is to improve the efficiency and performance of the generated code.
Parse Tree Construction
- The Syntax Analysis phase takes tokens produced by the lexical analyzer as input and constructs a parse tree.
- The Syntax Analysis phase checks whether the parse tree constructed follows the rules of the language.
This quiz covers the components of a computer system, including hardware and software, and the evolution of computer languages from machine language to higher-level languages. It also discusses the influence of hardware and software on each other.
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