Modern Tech — Set 1

Correct Answer: A. Martin Cooper

• **Martin Cooper** = A Motorola executive, he made the first handheld cellular phone call. • **1973** — This was the year the first commercially successful portable cellular phone was invented by Martin Cooper. • 💡 Wrong-option analysis: Steve Jobs: He co-founded Apple but did not invent the first cellular phone; Bill Gates: He co-founded Microsoft but was not involved in cellular phone invention; Alexander Graham Bell: He is credited with inventing the telephone, not the portable cellular phone.

Correct Answer: B. 1992

• **First text message (SMS)** = Neil Papworth sent the first SMS, which simply said 'Merry Christmas'. • **1992** — This was the year the first text message was sent, paving the way for modern instant messaging services. • 💡 Wrong-option analysis: 2000: SMS was already widely in use by this year; 1978: Mobile phones were in very early stages, SMS technology was not yet developed; 1985: Mobile phones were still very nascent, and SMS was not conceived for general use.

Correct Answer: B. Tim Berners-Lee

• **Tim Berners-Lee** = He invented the World Wide Web and developed its fundamental protocols. • **1989** — This was the year Tim Berners-Lee invented the World Wide Web while working at CERN. • 💡 Wrong-option analysis: Vint Cerf: He is known as one of the 'fathers of the Internet' for his work on TCP/IP, not the WWW; Larry Page: He co-founded Google, a search engine, not the WWW; Mark Zuckerberg: He founded Facebook, a social media platform, not the WWW.

Correct Answer: B. ENIAC

• **ENIAC** = It stood for Electronic Numerical Integrator and Computer, and was the first electronic general-purpose computer. • **1945** — This was the year ENIAC, a massive computer using thousands of vacuum tubes, was completed. • 💡 Wrong-option analysis: UNIVAC: It was the first commercial computer, not the first general-purpose electronic computer; Altair 8800: It was an early personal computer, much later than ENIAC; IBM 360: It was a family of mainframe computer systems from the 1960s, not the first electronic computer.

Correct Answer: A. NCSA

• **NCSA** = The National Center for Supercomputing Applications developed Mosaic, the first widely used graphical web browser. • **1993** — This was the year NCSA developed Mosaic, which made the web visually appealing and accessible to ordinary users. • 💡 Wrong-option analysis: Google: It developed Chrome much later, it did not create Mosaic; Microsoft: It developed Internet Explorer later, not Mosaic; Netscape: It was founded by some of the original Mosaic developers and released Navigator, but NCSA developed Mosaic.

Correct Answer: B. Charles Babbage

• **Charles Babbage** = He is known as the father of computing for designing the Difference Engine and proposing the Analytical Engine. • **Analytical Engine** — This proposed machine by Charles Babbage contained all the essential elements of a modern computer, serving as a blueprint. • 💡 Wrong-option analysis: Alan Turing: He was a brilliant mathematician and computer scientist who worked on theoretical computing, not the first mechanical computer; Blaise Pascal: He invented an early mechanical calculator (Pascaline), but not a general-purpose mechanical computer; John von Neumann: He made significant contributions to computer architecture (von Neumann architecture) but did not invent the first mechanical computer.

Correct Answer: D. Java

• **Java** = This programming language was designed to have a 'write once, run anywhere' capability across different platforms. • **1995** — This was the year Java was released, developed by James Gosling at Sun Microsystems. • 💡 Wrong-option analysis: Python: Developed by Guido van Rossum, not James Gosling, and released in 1991; C++: Developed by Bjarne Stroustrup, it predates Java significantly; Ruby: Developed by Yukihiro Matsumoto, it was also released in 1995 but not by James Gosling or Sun Microsystems.

Correct Answer: B. Intel

• **Intel** = This company produced the 4004, which was the first commercially available processor on a single chip. • **1971** — This was the year the Intel 4004 microprocessor was released, leading to the miniaturization of computers for personal use. • 💡 Wrong-option analysis: AMD: A major competitor in the processor market, but it did not create the first microprocessor; Apple: Known for personal computers and mobile devices, not the first microprocessor; IBM: A pioneer in computing, but did not release the first commercial microprocessor.

Correct Answer: D. Linus Torvalds

• **Linus Torvalds** = He created the Linux kernel as a free alternative to the Minix operating system. • **1991** — This was the year the Linux kernel was released, growing into a massive open-source project. • 💡 Wrong-option analysis: Steve Wozniak: He co-founded Apple and designed early Apple computers, not Linux; Ken Thompson: He was a co-creator of Unix, which influenced Linux, but not Linux itself; Richard Stallman: He founded the GNU Project, which provides many tools for Linux, but he didn't create the kernel.

Correct Answer: D. MySpace

• **MySpace** = It became the most popular social networking site globally between 2005 and 2008, allowing users profile customization. • **Million monthly active users** — MySpace was the first social media site to achieve this milestone. • 💡 Wrong-option analysis: LinkedIn: It is a professional networking site, not the first to reach this user count; Facebook: While dominant later, Friendster and MySpace preceded it in reaching this milestone; Friendster: It was an early social networking site but was surpassed by MySpace in popularity and user reach.