science & tech MCQ section 3 Practice Questions Answers Test with Solutions & More Shortcuts

Answer: (c)

The Chinese Academy of Sciences (CAS) has launched a deep ultraviolet (DUV) solid-state laser device, making the country first-ever in the world to possess such technology in September, 2013.

Answer: (b)

Science Journal (a US magazine) has been named Mission Rosetta as the most important scientific Breakthrough of the Year 2014.

Answer: (d)

Scientists Developed a headset that gives humans 360 degree Vision. French scientists claimed that they developed a new system called Fly VIZ which enables humans to get 360 degree vision.

Answer: (a)

A digital library is a library in which collections are stored in digital formats (as opposed to print, microform, or other media) and accessible by computers. The digital content may be stored locally, or accessed remotely via computer networks. Thus, it can be available extra then internet also.

Thus, statement 3 is wrong while 1 and 2 are correct. A smart card, chip card, or integrated circuit card (ICC), is any pocket-sized card with embedded integrated circuits. American engineers began developing digital technology in the mid-twentieth century. Digital technology enables immense amounts of information to be compressed on small storage devices that can be easily preserved and transported.

Digitization also quickens data transmission speeds. Telecommunications has relied on digital methods to transmit messages. In the early 1980s, enhanced fibre optics enabled the development of digital communication networks.

Communication satellites known as direct broadcast satellites (DBS) transmitted compressed digital signals for viewers to receive several hundred television programming choices.

Answer: (c)

Sunita Williamswas launched to the International Space Station (ISS) with STS-116, aboard the Space Shuttle Discovery, on December 9, 2006, to join the Expedition 14 crew. Discovery is one of the orbiters from NASA’s Space Shuttle program and the third of five fully operational orbiters to be built.