February 2020
Intermediate to advanced
432 pages
10h 50m
English
Content preview from Hands-On ROS for Robotics Programming
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Questions
- What is the top-level component in a ROS environment?
A) Package B) WorkspaceC) ROS graph
- What is the purpose of the roscore process?
A) To allow a node to communicate with others and manage the robot parameters B) To provide a master node for driving all other nodes in the graphC) To allow ROS nodes to be found from outside of the LAN
- Mark the correct sentence: A node can __ .
A) only publish topics or only subscribe to topics B) publish topics and subscrib to topics at the same timeC) publish topics and/or subscribe to other topics
- What happens if one node fails to execute its program?
A) Some functions of the robot will fail B) The robot will not workC) The topics it publishes will be set to undefined
- Mark the incorrect ...
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