Practice Lexical Analysis (scanning/lexing) (3.1) - Introduction to Compilers
Students

Academic Programs

AI-powered learning for grades 8-12, aligned with major curricula

Engineering Courses
Professional

Professional Courses

Industry-relevant training in Business, Technology, and Design

Certifications
Games

Interactive Games

Fun games to boost memory, math, typing, and English skills

Lexical Analysis (Scanning/Lexing)

Practice - Lexical Analysis (Scanning/Lexing)

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

Define what a token is in the context of programming languages.

💡 Hint: Think of it as the building blocks of code.

Question 2 Easy

What does the lexical analyzer do?

💡 Hint: Consider it as a translator for programming languages.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the primary function of the lexical analyzer?

To compile the source code
To generate tokens from the source code
To optimize the code

💡 Hint: Think about what the first step in understanding code is.

Question 2

True or False: Lexical analysis includes syntax checking of the source code.

True
False

💡 Hint: Consider where the code structure is first evaluated.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Consider the line of code: int num = 45;. Identify and categorize each token present.

💡 Hint: Break down the line into its components by analyzing the meaning of each segment.

Challenge 2 Hard

If the following characters are input to a lexical analyzer: int myVar$ = 3;, determine the outcome of the lexical analysis and explain the result.

💡 Hint: Recall the naming conventions for valid identifiers in programming languages.

Get performance evaluation

Reference links

Supplementary resources to enhance your learning experience.