How to use this glossary
These are frequent SSC/Prelims items. Group biology, computing and physics terms for quick revision.
DNA
Genetic material
AI/ML
Computing
LASER
Light amplification
GPS
Positioning
Biology and health
| Abbr. | Full form |
|---|---|
| DNA | Deoxyribonucleic Acid |
| RNA | Ribonucleic Acid |
| ATP | Adenosine Triphosphate |
| PCR | Polymerase Chain Reaction |
| HIV / AIDS | Human Immunodeficiency Virus / Acquired Immunodeficiency Syndrome |
| BMI | Body Mass Index |
| RBC / WBC | Red / White Blood Cell |
Computing and IT
| Abbr. | Full form |
|---|---|
| AI / ML | Artificial Intelligence / Machine Learning |
| CPU | Central Processing Unit |
| RAM / ROM | Random / Read-Only Access Memory |
| DBMS | Database Management System |
| OS | Operating System |
| IoT | Internet of Things |
| GPU | Graphics Processing Unit |
Physics and devices
| Abbr. | Full form |
|---|---|
| LASER | Light Amplification by Stimulated Emission of Radiation |
| RADAR | Radio Detection and Ranging |
| SONAR | Sound Navigation and Ranging |
| LED / LCD | Light Emitting Diode / Liquid Crystal Display |
| GPS | Global Positioning System |
| LPG / CNG | Liquefied Petroleum Gas / Compressed Natural Gas |
UPSC angle
The expansions of LASER, RADAR, SONAR and DNA/RNA are classic one-mark items. Know the computing basics (CPU/RAM/ROM, AI/ML) too.
Frequently asked questions
What is the full form of LASER?
Light Amplification by Stimulated Emission of Radiation.
What is the full form of DNA and RNA?
DNA = Deoxyribonucleic Acid; RNA = Ribonucleic Acid.
What does RADAR stand for?
Radio Detection and Ranging.
What is the full form of GPS?
Global Positioning System.