Selected MCQ

Current Question
In robotics, what does 'DOF' (Degrees of Freedom) refer to?
  • A. The number of independent movements a robot can make
  • B. The power rating of the robot
  • C. The number of CPUs in the control unit
  • D. The robot's error margin
Correct Answer: A
Explanation:
Degrees of freedom refer to the number of independent ways a robot can move or rotate its joints.
Related Question 1
What is 'degrees of freedom' (DOF) in the context of robot manipulators?
  • A. The number of axes the end-effector can move along or rotate
  • B. Number of sensors onboard
  • C. Robot's weight in kgs
  • D. Battery capacity
Correct Answer: A
Explanation:
DOF refers to the number of independent movements (translations/rotations) possible.
Related Question 2
What does the term 'manipulator' refer to in robotics?
  • A. A software robot
  • B. A robotic arm or mechanism for moving objects
  • C. A sensor type
  • D. An algorithm
Correct Answer: B
Explanation:
A manipulator is the robot arm or mechanical unit used to move and manipulate objects.
Related Question 3
What does 'fog computing' refer to?
  • A. Computing at centralized cloud servers
  • B. Extending cloud services to the network edge
  • C. A type of fog
  • D. Removing latency entirely
Correct Answer: B
Explanation:
Fog computing distributes computing, storage, and communication services closer to edge devices.
Related Question 4
In network security, what does a DMZ (demilitarized zone) refer to?
  • A. A private office
  • B. An isolated subnet for public-facing servers
  • C. A type of malware
  • D. A strong encryption method
Correct Answer: B
Explanation:
A DMZ is a separate network area that isolates public services (e.g., web servers) from the internal LAN.
Related Question 5
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.