The document defines abbreviations as shortened forms of words or phrases while acronyms are new words formed from the initial letters of other words or phrases. It provides examples of common abbreviations and acronyms used in education, government, and technology. As an assignment, it asks the reader to expand the abbreviations GST, ILO, FIR, NASA, and UNESCO.

2. ABBREVIATIONS AND
ACRONYMS

3. What is an Abbreviation?
An abbreviation is a shortened form
of words or lengthy phrases.
Example:
PM- Prime Minister

4. What is an Acronym?
An acronym is a new word created
from the first letters of other words or
phrases.
Example:
NATO: North Atlantic Treaty Organization

5. Abbreviations:
1. B.A- Bachelor of Arts
2. B. Sc- Bachelor of Science
3. M.A- Master of Arts
4. M. Sc- Master of Science
5. DEO- District Educational Officer

6. 6. CEO - Chief Educational Officer
7. CBI - Central Bureau of Investigation
8. BBC - British Broadcasting Corporation
9. OTP - One Time Password

7. 10. TNPSC- Tamil Nadu Public
Service Commission
11. RBI - Reserve Bank of India
12. IMF - International Monetary
Fund

8. Acronyms:
1. LASER - Light Amplification by the
Stimulated Emission of Radiation
2. RADAR- Radio Detection And Ranging
3. SONAR- Sound Navigation And Ranging
4. ISRO - Indian Space Research Organization

9. 5. PIN - Postal Index Number
6. AIDS - Acquired Immuno
Deficiency Syndrome
7. NEET - National Eligibility cum
Entrance Test
8. LAN - Local Area Network

10. ASSIGNMENT
Expand the following.
1. GST
2. ILO
3. FIR
4. NASA
5. UNESCO