OS' computer abbreviation usually means ?

'.MOV' extension refers usually to what kind of file?

Who among the following invented the decimal system?

NASA on 13 May 2012 launched Nuclear Spectroscopic Telescope Array (NuSTAR) on a Pegasus rocket from Kwajalein Atoll in the Marshall Islands. Consider the following given facts related to NuSTAR and chose the right option?

i) NuSTAR will help scientists find the most subtle and energetic black holes.

ii) NuSTAR will work in coordination with other telescopes in space, including NASA’s Chandra X-ray Observatory,       which observes lower-energy X-rays

Choose the right option: 

China on 16 June 2012 launched its spacecraft Shenzhou-9 from the Jiuquan satellite launch centre in north-western Gansu province. Which of the following facts related to Shenzhou-9 is not true?

i) Shenzhou-9 is China’s fourth human spaceflight

ii) Shenzhou -9 spacecraft will conduct the first manned docking mission

iii) Shenzhou-9 space mission comprise three astronauts including China’s first woman astronaut Liu Yang

iv) Shenzhou-9 is China’s first manned space programme

Choose the right option:

Dhanush missile was test-fired on November 23, 2013 from a naval ship off Odisha coast. Dhanush is a naval variant of?

Which of the following lndian airlines tied up with Tigerair to increase connectivity between flights operated by both carriers?

India's first supersonic jet fighter was decommissioned after 50 years of service in December 2013. What is its name?

ഇന്ത്യയിൽ നിലവിൽ വന്ന ആദ്യത്തെ സ്വകാര്യടെലിവിഷൻ ചാനൽ ഏത്?

Which virus is treated as the first computer virus? 

Which of the first search engine in the Internet? 

Which one is the first fully supported 64-bit operating system? 

What type of a software is an operation system? 

What is the full form of the first Electronic Computer ENIAC?