Podcast
Questions and Answers
Which of the following is a characteristic of a compiler?
Which of the following is a characteristic of a compiler?
- Scans the program statement by statement
- Displays errors after scanning the entire program (correct)
- Translates the program into machine code line by line
- Generates intermediate code only for Python and JavaScript
What is a characteristic of an interpreter?
What is a characteristic of an interpreter?
- Generates intermediate code in all cases
- Displays errors after scanning the entire program
- Translates the program into machine code line by line (correct)
- Scans the entire program at once
Why is compilation relatively slow?
Why is compilation relatively slow?
- Because it displays errors line by line
- Due to scanning the entire program at once (correct)
- Because it generates intermediate code for all programming languages
- Because it translates the program into machine code quickly
Which programming languages use interpreters?
Which programming languages use interpreters?
What is a consequence of an interpreter translating the program statement by statement?
What is a consequence of an interpreter translating the program statement by statement?
Study Notes
Compiler Characteristics
- A compiler translates the entire program into machine code before execution, making it a characteristic of a compiler.
Interpreter Characteristics
- An interpreter translates the program statement by statement, executing each statement immediately after translation, making it a characteristic of an interpreter.
Compilation Speed
- Compilation is relatively slow because the compiler needs to translate the entire program into machine code before execution.
Interpreter-Based Languages
- Programming languages that use interpreters include JavaScript, Python, and Ruby, among others.
Interpreter Consequences
- Since an interpreter translates the program statement by statement, it allows for interactive execution and debugging, and also enables dynamic modification of the program during execution.
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Description
Test your knowledge on the key differences between compilers and interpreters. Discover how they scan and translate programs, handle errors, and the speed of compilation and execution.