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Question

Which one of the following pairs of events and years is not correctly matched?

This question was previously asked in
CDS I 2023 English Previous Year Paper (16-April-2023)
The correct answer is

Introduction of the World Wide Web (www) : 1995

Analyzing Historical Tech Events and Their Years

The question asks us to identify the pair of event and year that is not correctly matched. We need to examine each option to determine the historical accuracy of the given year for the specific technological or communication event.

Let's break down each option presented:

  • Option 1: Launch of the first communications satellite : 1962
    The first passive communications satellite, Echo 1, was launched in 1960. However, the first active communications satellite, Telstar 1, which could relay signals directly, was launched in 1962. This was a significant milestone in global communications. The year 1962 is widely associated with the launch of a pioneering communications satellite.
  • Option 2: Completion of a continuous around the world fibre-optic cable link : 1997
    The late 1990s saw major developments in global fiber-optic networks. The Fiber-Optic Link Around the Globe (FLAG) system was a significant project that aimed to create a continuous fiber-optic link connecting continents. Phase 1 of the FLAG Europe Asia system was completed in 1997, providing a substantial portion of the planned worldwide link. The year 1997 aligns with the completion of major segments of such a global network.
  • Option 3: Creation of the SWIFT system for worldwide electronic interbank fund transfer : 1977
    SWIFT (Society for Worldwide Interbank Financial Telecommunication) is a network that enables financial institutions worldwide to send and receive information about financial transactions in a secure, standardized, and reliable environment. SWIFT was founded in 1973, but it began operations and started processing messages for its members in 1977. So, 1977 is the year operations commenced.
  • Option 4: Introduction of the World Wide Web (www) : 1995
    The concept of the World Wide Web was invented by Tim Berners-Lee at CERN. He wrote the initial proposals in 1989 and 1990. The first website and server went live in 1991. The software was made available to the public domain in 1993, which led to its rapid growth. While the WWW was certainly widely popular and growing rapidly by 1995, its introduction or invention date is significantly earlier than 1995. Therefore, the year 1995 is not correctly matched as the introduction year.

Based on the analysis, the pair that is not correctly matched is the "Introduction of the World Wide Web (www) : 1995". The World Wide Web was introduced several years before 1995.

Identifying the Incorrectly Matched Pair

Comparing the historical facts with the years provided in the options:

Event Year Given Historical Accuracy Correct Year/Period
Launch of the first communications satellite 1962 Generally Correct (Active satellite) 1962 (Telstar 1)
Completion of a continuous around the world fibre-optic cable link 1997 Generally Correct (Major segment completion) 1997 (e.g., FLAG Europe Asia Phase 1)
Creation of the SWIFT system for worldwide electronic interbank fund transfer 1977 Correct (Operations started) 1977
Introduction of the World Wide Web (www) 1995 Incorrect 1989/1990 (Conception/Development), 1991 (First website), 1993 (Public release)

The table clearly shows that the World Wide Web introduction is the only event paired with an incorrect year among the options.

Revision Table: Key Tech Event Years

Tech Event Key Year Significance
First Active Communications Satellite (Telstar 1) 1962 Enabled transatlantic TV signals
SWIFT System Operations Begin 1977 Standardized secure financial messaging
World Wide Web Invented (Proposals/Development) 1989/1990 Foundation of the WWW
First World Wide Web Website Live 1991 WWW becomes functional
WWW Software Released to Public Domain 1993 Enabled rapid growth of the internet
Completion of Major Global Fibre-Optic Links (e.g., FLAG) Late 1990s (e.g., 1997) Significantly increased global internet capacity

Additional Information about the World Wide Web

It's important to distinguish between the internet and the World Wide Web. The internet is a vast network of interconnected computers. It existed for many years before the WWW was created. The World Wide Web is an information system built on top of the internet, using technologies like HTML, URLs, and HTTP. It allows users to access interconnected documents (web pages) via web browsers.

The invention of the WWW by Tim Berners-Lee revolutionized how people access and share information online, leading to the internet as we know it today.

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