Selected MCQ

Current Question
What does it mean if a model has high bias?
  • A. It oversimplifies and underfits data
  • B. It memorizes the training set
  • C. It uses too many features
  • D. It has redundant layers
Correct Answer: A
Explanation:
High bias means the model is too simple and fails to capture underlying patterns (underfitting).
Related Question 1
Which concept involves using sensor data to create a 3D model of a city or facility?
  • A. Digital wallet
  • B. Digital twin
  • C. Virtual machine
  • D. Quantum replica
Correct Answer: B
Explanation:
Digital twins can model entire environments or systems in real-time using sensor data.
Related Question 2
What does 'least privilege' mean in cybersecurity?
  • A. Admins have all privileges
  • B. Users have only the access necessary for their role
  • C. Everyone has the same privileges
  • D. Turn privileges off at night
Correct Answer: B
Explanation:
Least privilege means giving users only the permissions they need, minimizing potential damage.
Related Question 3
Which actuation method provides high force in a compact form, often used in heavy robots?
  • A. Electric motors
  • B. Hydraulic actuators
  • C. Pneumatic cylinders
  • D. Solenoids
Correct Answer: B
Explanation:
Hydraulic actuators provide high force and are common in heavy-duty robotics.
Related Question 4
What does it mean for a robot to have 6 DOF?
  • A. It has 6 separate sensors
  • B. It can move and orient in 6 independent ways
  • C. It weighs 6 kilograms
  • D. It operates on 6 volts
Correct Answer: B
Explanation:
6 degrees of freedom means the robot can move in three translational and three rotational directions.
Related Question 5
Which of these is a kinematic model describing a robot's motion over time?
  • A. Euler equation
  • B. Kinetic equation
  • C. Dynamic equation
  • D. Kinematic equations (like velocity and acceleration)
Correct Answer: D
Explanation:
Kinematic equations describe motion using parameters such as velocity and acceleration, without considering forces.