General Science Questions Practice Question and Answer
3 Q: ‘PCB’ stands for–
682 0651fcc49e1bf7bf087f49d70
651fcc49e1bf7bf087f49d70- 1Programme Control Blockfalse
- 2Process Control Blocktrue
- 3Process Communication Blockfalse
- 4None of the abovefalse
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Answer : 2. "Process Control Block "
Explanation :
Process Control Block (PCB, also called Task Controlling Block, Task Structure or Switchframe) is a data structure in the Operating System kernel containing the information needed to manage a particular process.The PCB is the manifestation of a process in an Operating System.
Q: ISRO launched the world’s first satellite dedicated to education, the EDUSAT in the month of–
645 0651fcd2143084a0760f4e99f
651fcd2143084a0760f4e99f- 1June, 2004false
- 2July, 2004false
- 3August, 2004false
- 4September, 2004true
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Answer : 4. "September, 2004 "
Explanation :
EDUSAT or GSAT-3 is a communications satellite which was launched on 20th September, 2004 by the Indian Space Research Organisation. EDUSAT is the first Indian satellite built exclusively to serve the educational sector. It has revolutionised classroom teaching through IP based technology
Q: A geostationary satellite revolves round the Earth from–
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651fce38b0fa68e1db90441d- 1East to Westfalse
- 2West to Easttrue
- 3North to Southfalse
- 4South to Northfalse
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Answer : 2. "West to East "
Explanation :
Geostationary satellites are located exactly above the Earth’s equator and revolves around the Earth in a circular orbit. Their revolving speed and direction (West to East) are exactly same as that of the Earth, which makes it look stationary from the Earth’s surface.