Modern Tech — Set 3

Correct Answer: B. Dennis Ritchie

• **Dennis Ritchie** = Dennis Ritchie invented the C programming language in 1972 at Bell Labs to rewrite the Unix operating system. • **1972** — The year C programming language was developed, becoming one of the most influential languages and serving as the basis for C++, Java, and Python. • 💡 Wrong-option analysis: [James Gosling]: Known as the father of the Java programming language; [Ken Thompson]: Co-creator of the Unix operating system alongside Dennis Ritchie; [Guido van Rossum]: Created the Python programming language.

Correct Answer: A. Santa Clara Valley

• **Santa Clara Valley** = The Santa Clara Valley in California is considered the original 'Silicon Valley' due to its high concentration of semiconductor companies. • **1971** — The year journalist Don Hoefler first used the term 'Silicon Valley', referring to the Santa Clara Valley as a global hub for high technology and innovation. • 💡 Wrong-option analysis: [Seattle]: Home to major tech companies like Microsoft and Amazon, but not the original Silicon Valley; [Los Angeles]: A major tech hub, particularly for entertainment and aerospace, but not the namesake; [San Francisco]: A key city in the broader Bay Area tech ecosystem, but the valley itself is south of it.

Correct Answer: A. Jeff Bezos

• **Jeff Bezos** = Jeff Bezos founded Amazon in 1994 as an online bookstore, initially operating from his garage to capitalize on the internet's growth. • **1994** — The year Amazon was founded, starting as an online bookstore and eventually growing into one of the world's largest retailers and cloud service providers. • 💡 Wrong-option analysis: [Reed Hastings]: Co-founder and CEO of Netflix; [Elon Musk]: Founder of SpaceX, Tesla, and Neuralink, among others; [Jack Ma]: Co-founder of Alibaba Group, a multinational technology conglomerate.

Correct Answer: C. Steven Sasson

• **Steven Sasson** = Steven Sasson invented the first self-contained digital camera in 1975 while working for Kodak. • **1975** — The year Steven Sasson invented the first digital camera, which used a CCD sensor to capture black and white images onto a cassette tape. • 💡 Wrong-option analysis: [George Eastman]: Founder of Kodak and pioneer of photographic film; [Edwin Land]: Invented the Polaroid instant camera; [Louis Daguerre]: Known for inventing the daguerreotype, an early photographic process.

Correct Answer: C. 2005

• **2005** = The first video, titled 'Me at the zoo', was uploaded to YouTube on April 23, 2005, by co-founder Jawed Karim. • **April 23, 2005** — This date marks the upload of YouTube's first video, which revolutionized how video content is created, shared, and consumed globally. • 💡 Wrong-option analysis: [2003]: YouTube was not yet founded; [2006]: YouTube was acquired by Google in this year, after its launch; [2004]: YouTube was founded in February 2005, so no videos could be uploaded in 2004.

Correct Answer: C. Theodore Maiman

• **Theodore Maiman** = Theodore Maiman invented the first working laser in 1960, using a synthetic ruby crystal to produce a beam of coherent light. • **1960** — The year Theodore Maiman successfully demonstrated the first working laser, an invention now vital in surgery, barcode scanners, and fiber optics. • 💡 Wrong-option analysis: [Stephen Hawking]: A theoretical physicist known for his work on black holes; [Richard Feynman]: A Nobel Prize-winning theoretical physicist known for quantum electrodynamics; [Albert Einstein]: His work on stimulated emission laid theoretical groundwork for lasers, but he did not invent the physical device.

Correct Answer: D. Android Inc.

• **Android Inc.** = Android Inc. was founded by Andy Rubin and others in 2003 with the goal of developing a smarter operating system for digital cameras, which later shifted to mobile phones. • **2005** — Google acquired Android Inc. in this year, paving the way for Android to become the world's most popular mobile operating system. • 💡 Wrong-option analysis: [Samsung]: A major manufacturer of Android devices, but did not create the OS; [HTC]: Produced some of the earliest Android smartphones, like the HTC Dream (T-Mobile G1); [Motorola]: An early adopter and manufacturer of Android phones, acquired by Google and later sold to Lenovo.

Correct Answer: B. Philo Farnsworth

• **Philo Farnsworth** = Philo Farnsworth invented the first complete electronic television system in 1927, capable of capturing and transmitting moving images. • **1927** — The year Philo Farnsworth successfully demonstrated the first electronic television, transmitting an image of a simple line and eventually replacing mechanical systems. • 💡 Wrong-option analysis: [Guglielmo Marconi]: Pioneer of radio technology; [Nikola Tesla]: Known for his contributions to alternating current (AC) electricity; [John Logie Baird]: Invented the first working mechanical television system, not electronic.

Correct Answer: A. Python

• **Python** = Python is a high-level, interpreted programming language created by Guido van Rossum and released in 1991, emphasizing code readability and simplicity. • **1991** — The year Python was released, a language named after Monty Python, which has become a leading choice for artificial intelligence and data science. • 💡 Wrong-option analysis: [JavaScript]: Created by Brendan Eich in 1995 for web browsers; [Perl]: Developed by Larry Wall in 1987, known for text processing; [PHP]: Created by Rasmus Lerdorf in 1994, primarily for web development.

Correct Answer: C. Vint Cerf and Bob Kahn

• **Vint Cerf and Bob Kahn** = Vint Cerf and Bob Kahn are credited with designing the fundamental TCP/IP communication protocols, earning them the title 'Fathers of the Internet'. • **TCP/IP protocols** — These fundamental communication protocols, designed by Cerf and Kahn, allowed different networks to communicate, enabling the transition from ARPANET to the modern internet. • 💡 Wrong-option analysis: [Bill Gates and Paul Allen]: Co-founders of Microsoft, known for operating systems and software; [Larry Page and Sergey Brin]: Co-founders of Google, known for search engines; [Steve Jobs and Steve Wozniak]: Co-founders of Apple, known for personal computers and user-friendly devices.