Question

аббревиатуры широко использовавшиеся более 50 лет назад

Answer 1

ВЛКСМ  - Всесоюзный ленинский коммунистический союз молодёжи

КПСС - Коммунистическая партия советского союза

ВДНХ - Выставка достижений народного хозяйства

СССР - Союз Советсяких социалистических республик

МХАТ - Московский Художественный Академический Театр 

Answer 2

Abbreviations Widely Used Over 50 Years Ago

1. AWS: - Definition: AWS stands for Amazon Web Services. - Usage: Amazon Web Services (AWS) is a subsidiary of Amazon providing on-demand cloud computing platforms and APIs to individuals, companies, and governments, on a metered pay-as-you-go basis. - Source: Source 2. APSF: - Definition: APSF stands for Anesthesia Patient Safety Foundation. - Usage: The Anesthesia Patient Safety Foundation (APSF) is a non-profit organization that works to ensure that no patient is harmed by anesthesia care. - Source: Source 3. IRS: - Definition: IRS stands for Internal Revenue Service. - Usage: The Internal Revenue Service (IRS) is the revenue service of the United States federal government, which is responsible for collecting taxes and enforcing the Internal Revenue Code. - Source: Source 4. /: - Definition: The forward slash, often simply referred to as the slash, is a punctuation mark used in various contexts. - Usage: The forward slash has been used for decades as a separator in written language, especially in the context of computer programming and internet addresses. - Source: Source 5. 50-67: - Definition: This notation represents a range of numbers from 50 to 67. - Usage: The notation "50-67" has been used for many years to indicate a range of values or measurements. - Source: Source These abbreviations have been widely used for over 50 years and continue to be relevant in various contexts today.