What is the role of a 'Sensor' in technology? MCQ with Answer and Explanation

What is the role of a 'Sensor' in technology?
A. To detect and respond to physical input
B. To store personal passwords
C. To display images
D. To generate power
Answer: Option A
Solution (By JKExamLibrary)
A sensor detects changes in an environment and produces an output, often used in automation.

Discuss this Question (0)

No comments yet. Be the first to start the discussion!

Practice More Science and Technology Questions

Question #1 Report Error
What is the process of converting light energy into chemical energy in plants called?
A. Photosynthesis
B. Transpiration
C. Respiration
D. Fermentation

Correct Answer: Option A


Explanation:
Photosynthesis is the process by which green plants and some other organisms use sunlight to synthesize food.

Question #2 Report Error
Which of these is a primary greenhouse gas produced by livestock?
A. Helium
B. Neon
C. Nitrogen
D. Methane

Correct Answer: Option D


Explanation:
Methane is a potent greenhouse gas emitted during the digestive processes of livestock.

Question #3 Report Error
SSLV is developed for launching:
A. Human missions
B. Small satellites
C. Lunar probes
D. Heavy satellites

Correct Answer: Option B


Explanation:
Small Satellite Launch Vehicle is for small payloads.