Science & Technology Current Affairs MCQs
This category comprises 50 random questions from the total 178 Multiple Choice Questions (MCQs) in Science & Technology Current Affairs category published in gktoday from 1 January, 2019 till July 4, 2020.
41. Which famous technology company has launched a short music videos application called ‘Collab’?
[A] Amazon
[B] Facebook
[C] Microsoft
[D] Google
Show Answer
Correct Answer: B [Facebook]
Notes:
Global technology major Facebook has recently launched an experimental short music videos application called ‘Collab’.
The videos created using Collab app can be published on other platforms including Instagram and Facebook Stories. The research team of Facebook, NPE Teams has developed this application. Earlier, the team had developed some other experimental apps including CatchUp and Hobbi.
42. Which is the first private space company to send astronauts into space?
[A] Blue Origin
[B] Tesla
[C] SpaceX
[D] Orbital
Show Answer
Correct Answer: C [SpaceX]
Notes:
California-based American aerospace manufacturing and space transportation services firm SpaceX has become the first private company to send astronauts into space.
The firm is owned by the tech-billionaire Elon Musk. The Crew Dragon spacecraft of SpaceX carried two astronauts of NASA Doug Hurley and Bob Behnken to the International Space Station (ISS). Earlier, this feat has been achieved by the governments of the United States, Russia and China. The US halted to use its own shuttles nine years ago.
43. What are the large group of asteroids that share the Jupiter’s orbit around the Sun, commonly called as?
[A] Trojan asteroids
[B] Dragon Asteroids
[C] Migrant Asteroids
[D] Queen Asteroids
Show Answer
Correct Answer: A [Trojan asteroids]
Notes:
The large group of asteroids that share the Jupiter’s orbit around the Sun are commonly called as Trojan asteroids or Jupiter Trojans. The trojans follow the same orbit of planet but stay either around 60 degrees ahead or 60 degrees behind along the orbit.
Recently, a team of astronomers from the University of Hawaii and Queen’s University Belfast have found that 2019 LD2 is the first known Jupiter trojan asteroid to have a comet-like tail. It was first discovered in June 2019 by the ATLAS system funded by NASA. But it could not be observed then, as it passed behind the sun.
44. Which is the first country, where WhatsApp is launching its ‘WhatsApp Pay’?
[A] India
[B] Brazil
[C] Japan
[D] South Korea
Show Answer
Correct Answer: B [Brazil]
Notes:
Facebook owned social media major WhatsApp has launched its ‘WhatsApp Pay’ for the first time in Brazil.
Two years ago, WhatsApp began testing the payments service in India, which enables users to send and receive money. However, the plan could not be materialised due to regulatory issues. WhatsApp has designed the payment system with a special six-digit PIN or fingerprint authorisation to prevent unauthorised transactions.
45. Which technology company has launched a dedicated search prompt to help people with sources to tackle domestic violence?
[A] Facebook
[B] Twitter
[C] Google
[D] Microsoft
Show Answer
Correct Answer: B [Twitter]
Notes:
Leading social-media platform Twitter has recently launched a dedicated search prompt that will direct people looking for domestic violence-related keywords to authentic information from the Ministry of Women and Child Development and National Commission for Women.
The search prompt will be available on iOS, Android and will be in English and Hindi languages. The prompt will also direct them towards sources of help available on Twitter. This initiative is an expansion of #ThereIsHelp prompt, which was launched to provide information on critical issues.
46. Quantum communications satellite –Micius, that was seen in news recently, was launched by which country?
[A] United States
[B] China
[C] Russia
[D] Israel
Show Answer
Correct Answer: B [China]
Notes:
The World’s first Quantum communications satellite, Micius was launched by China in the year 2016. It has pioneered in the field of quantum encryption.
The satellite was seen in news recently, as it sends particles of light to Earth to establish the world’s most secure communication link. This is considered to be a milestone in the research, as long-range secure communication can be obtained without the help of traditional communication satellites. Secure long-distance links such will be the foundation of the future global network called the quantum internet.
47. Which major technology company has shut its video game streaming service ‘Mixer’?
[A] Facebook
[B] Microsoft
[C] Amazon
[D] Apple
Show Answer
Correct Answer: B [Microsoft]
Notes:
Major technology company Microsoft has recently announced to shut its video game streaming service Mixer.
Microsoft partnered with Facebook to enable the users of Mixer to transit to Facebook Gaming. If the user is voluntary to switch over to Gaming service of Facebook, it has been made easy. Earlier, Apple rejected Facebook Gaming app on the iOS App Store. However, Microsoft is working on their new project ‘xCloud’.
48. Which country’s super computer has become the fastest in the world?
[A] United States
[B] Japan
[C] China
[D] Germany
Show Answer
Correct Answer: B [Japan]
Notes:
The Japanese supercomputer, Fugaku has been recently named the fastest super computer in the Top500 list, which ranks the most powerful benchmarked supercomputers in the world.
It is powered by chipsets from Advanced RISC Machines (ARM). This marks the first time an ARM-based supercomputer to ever top the list. It also marks the first time Japan has taken the top place since 2011. It is followed by IBM’s Summit supercomputer and IBM’s Sierra supercomputer.
49. Which technology company has added ‘Fact-Checked’ labels for search images, to curb misinformation?
[A] Microsoft
[B] Google
[C] Apple
[D] Mozilla
Show Answer
Correct Answer: B [Google]
Notes:
Technology major Google has announced that it has introduced a new feature called Fact-Checked’ labels for search images, to curb misinformation.
It will identify misleading photos in its specific search tool for images with the label. These fact-checking labels have been already used in its main search results and on video-streaming site YouTube. IT has now extended to images as well.
50. What is the name of the nodal national entity set up under the Department of Space, to regulate Indian industry in space sector?
[A] N- ISRO
[B] IN-SPACe
[C] Bharat ISRO
[D] New Space
Show Answer
Correct Answer: B [IN-SPACe]
Notes:
Union cabinet approved a new body under the Department of Space is named ‘IN-SPACe’, which is the acronym for Indian National Space Promotion and Authorisation Centre.
The Chairman of Indian Space Research Organisation announced that IN-SPACe will be the nodal national body to promote and regulate all space-related activities of private industries. The new entity will have its own chairman and board and will function autonomously. IN-SPACe will be established in three to six months.
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