ROS 2 with Mobile Robots workshop.

What command is used to list files in a directory in Linux?

Which of the following commands is used to check disk space usage in Linux?

What is the correct way to give a script execution permission in Linux?

In Linux, how do you display the contents of a text file in the terminal?

How do you find the process ID (PID) of a running process in Linux?

What is the correct way to define a function in Python?

In Python, what does len([1,2,3,4]) return?

What is the purpose of a constructor in C++?

What will be the output of the following Python code?

x = [1, 2, 3]
print(x * 2)

What is the purpose of a shared_ptr in C++?

What type of sensor is typically used for obstacle detection in mobile robots?

In SLAM (Simultaneous Localization and Mapping), what is the main challenge?

What is the role of an odometry sensor in a mobile robot?

In a differential drive robot, how can it turn in place?

Which algorithm is commonly used for path planning in robotics?

What is the primary function of an Inertial Measurement Unit (IMU) in a mobile robot?

What is kinematics in the context of robotics?

Which of the following is an advantage of a differential drive robot?

What is the main purpose of the PID controller in mobile robots?

When using LiDAR for mapping, what is the most common SLAM (Simultaneous Localization and Mapping) algorithm?

You have a differential drive robot with two wheels. What will happen if both wheels move at the same speed in opposite directions?

A ROS node publishes LIDAR data at 100 Hz, but the subscriber is only processing at 10 Hz. What is the best solution to avoid message overflow?

A mobile robot loses localization in a dynamic environment where obstacles frequently move. What is the best solution?

Which of the following is a commonly used robotics simulation platform?

What is a key advantage of NVIDIA Isaac Sim over Gazebo for robotics simulation?

Which of the following commands updates package lists in Ubuntu (commonly needed for ROS installations)?

Which of the following single-board computers is commonly used for AI-based robotics applications?

Which tool is commonly used to visualize ROS data such as LiDAR scans, robot models, and transformations?

Which tool is commonly used for image processing and object detection in robotics?

What will be the output of the following C++ code?

#include <iostream>
using namespace std;
int main() {
    int a = 10;
    int *p = &a;
    *p = 20;
    cout << a << endl;
    return 0;
}

Which of the following statements about references and pointers in C++ is true?

Which of the following correctly implements a constructor in C++?

What is the output of the following C++ program?

#include <iostream>
#include <vector>
using namespace std;
int main() {
    vector<int> v = {1, 2, 3, 4, 5};
    cout << v.back();
    return 0;
}

Which of the following best describes function overloading in C++?

Which smart pointer allows multiple objects to share ownership of the same resource?