Selected MCQ

Current Question
What is the Denavit-Hartenberg (DH) convention used for in robotics?
  • A. Standardizing robot kinematic parameters for link transformations
  • B. Encrypting robot control signals
  • C. Actuator design
  • D. Mapping workspace coordinates
Correct Answer: A
Explanation:
The DH convention is a standardized method for assigning coordinate frames to robot links for kinematic analysis.
Related Question 1
Which of the following is an example of an actuator commonly used in robotics for precise position control?
  • A. Stepper motor
  • B. Photodiode
  • C. Resistor
  • D. Capacitor
Correct Answer: A
Explanation:
Stepper motors move in discrete steps, enabling precise position control in robotics.
Related Question 2
Which technology is used for secure, short-range wireless communication in IoT devices?
  • A. Wi-Fi
  • B. Bluetooth Low Energy (BLE)
  • C. Ethernet
  • D. 4G LTE
Correct Answer: B
Explanation:
Bluetooth Low Energy is a wireless protocol for low-power short-range communication.
Related Question 3
What is a 'digital twin' used for?
  • A. A backup of a database
  • B. A virtual model of a physical system for simulation
  • C. An identical computer router
  • D. Digital photography editing
Correct Answer: B
Explanation:
A digital twin is a software model that simulates a physical object or system.
Related Question 4
In IoT, what is MQTT primarily used for?
  • A. Hardware design
  • B. Lightweight messaging protocol
  • C. Database management
  • D. Encryption standard
Correct Answer: B
Explanation:
MQTT is a lightweight publish/subscribe messaging protocol widely used in IoT.
Related Question 5
Which protocol is used to transfer files over SSH securely?
  • A. FTPS
  • B. HTTPS
  • C. SCP (Secure Copy)
  • D. SMTP
Correct Answer: C
Explanation:
SCP (Secure Copy Protocol) is used to transfer files securely over an SSH connection.