Selected MCQ

Current Question
Which of these is a type of robot end-effector for grasping objects?
  • A. Servo motor
  • B. Vacuum gripper
  • C. Gyroscope
  • D. Omni-wheel
Correct Answer: B
Explanation:
A vacuum gripper (suction) is a common end-effector for picking up flat or smooth items.
Related Question 1
Which coordinate system is typically used to represent a robot's end-effector orientation in 3D space?
  • A. Euler angles
  • B. RGB color space
  • C. Cartesian coordinates
  • D. Binary coordinates
Correct Answer: A
Explanation:
Euler angles (or quaternions) are often used to describe the 3D orientation of a robot's end-effector.
Related Question 2
Which type of robot is designed to interact with humans in environments like homes or hospitals safely?
  • A. Industrial robot
  • B. Service robot
  • C. Humanoid robot
  • D. Exploration robot
Correct Answer: B
Explanation:
Service robots are designed to assist humans in everyday tasks and are built for safe human interaction.
Related Question 3
Which type of malware encrypts a user’s data and demands payment?
  • A. Ransomware
  • B. Spyware
  • C. Adware
  • D. Rootkit
Correct Answer: A
Explanation:
Ransomware locks or encrypts data and demands payment (ransom) for the key.
Related Question 4
What type of celestial object is often referred to as a "baby star" still in formation?
  • A. White dwarf
  • B. Brown dwarf
  • C. Protostar
  • D. Red giant
Correct Answer: C
Explanation:
A protostar is a very young star still forming from a collapsing gas cloud.
Related Question 5
In wheeled mobile robots, what is 'skid steering'?
  • A. Steering using a separate pivot wheel
  • B. Rotating each wheel at different speeds to turn
  • C. Fixed steering angle
  • D. Flying mode
Correct Answer: B
Explanation:
Skid steering turns by differentially driving wheels on each side.