Topic: Science and Technology- developments and their applications and effects in everyday life.
4. Compare and contrast the optical communication technology with radio frequency communication technology. (250 words)
Difficulty level: Easy
Reference: Indian Express
Why the question:
NASA launched its new Laser Communications Relay Demonstration (LCRD) — the agency’s first-ever laser communications system — from Cape Canaveral Space Force Station in Florida. The LCRD will help the agency test optical communication in space.
Key Demand of the question:
To Compare and contrast the optical communication and radio frequency communications
Directive word:
Compare and contrast – provide for a detailed comparison of the two types, their features that are similar as well as different. One must provide for detailed assessment of the two.
Structure of the answer:
Introduction:
Begin by giving context about growth of optical communications.
Body:
Compare both optical and radio frequency communications on the basis of data transmission, speed, bandwidth, attenuation losses, cost, infrastructure, compatibility etc.
Conclusion:
Conclude by mentioning the need to build up towards optical communication technologies.
