Modern Tech — Set 3
Inventions · आधुनिक तकनीक · Questions 21–30 of 60
Who is the inventor of the C programming language, developed in 1972?
Correct Answer: B. Dennis Ritchie
Dennis Ritchie created C at Bell Labs to rewrite the Unix operating system. It became one of the most influential languages, serving as the basis for C++, Java, and Python. He received the Turing Award for his immense contribution to computing.
In which city was the first ever 'Silicon Valley' established?
Correct Answer: A. Santa Clara Valley
The Santa Clara Valley in California became known as Silicon Valley due to the high concentration of semiconductor companies. It is now the global hub for high technology and innovation. The term was first used by journalist Don Hoefler in 1971.
Which entrepreneur founded Amazon in 1994 as an online bookstore?
Correct Answer: A. Jeff Bezos
Jeff Bezos started Amazon in his garage to take advantage of the growing internet. It expanded from books to almost every product category imaginable. Today, it is one of the world's largest retailers and cloud service providers.
Who invented the first digital camera in 1975 while working for Kodak?
Correct Answer: C. Steven Sasson
Steven Sasson built a prototype that used a CCD sensor to capture black and white images. It recorded images onto a cassette tape and took 23 seconds to capture one shot. His invention eventually led to the obsolescence of film photography.
Which year was the first video uploaded to YouTube?
Correct Answer: C. 2005
The first video, titled 'Me at the zoo', was uploaded on April 23, 2005, by co-founder Jawed Karim. YouTube revolutionized how video content is created, shared, and consumed. It is now the second most visited website in the world.
Who is known for inventing the first working laser in 1960?
Correct Answer: C. Theodore Maiman
Theodore Maiman used a synthetic ruby crystal to produce a beam of coherent light. Laser technology is now used in surgery, barcode scanners, and fiber optics. He was nominated for the Nobel Prize multiple times for this achievement.
Which company created the first Android operating system before it was acquired by Google?
Correct Answer: D. Android Inc.
Android Inc. was founded by Andy Rubin and others to develop a smarter operating system for mobile devices. Google acquired the company in 2005. It has since become the most popular mobile OS in the world.
Who invented the first electronic television in 1927?
Correct Answer: B. Philo Farnsworth
Philo Farnsworth developed the first system to capture and transmit moving images using an electronic beam. He successfully transmitted an image of a simple line to his laboratory. This technology eventually replaced earlier mechanical television systems.
Which programming language was created by Guido van Rossum and released in 1991?
Correct Answer: A. Python
Guido van Rossum designed Python to emphasize code readability and simplicity. It was named after the comedy group Monty Python. It is now a leading language for artificial intelligence and data science.
Who is the primary developer of the TCP/IP protocols, often called 'Fathers of the Internet'?
Correct Answer: C. Vint Cerf and Bob Kahn
Vint Cerf and Bob Kahn designed the fundamental communication protocols that allow different networks to talk to each other. Their work enabled the transition from ARPANET to the modern internet. They received the Presidential Medal of Freedom for this work.