1What is ICT? Name the three jobs it does.
2What is an artificial satellite? Which was the first one?
3How is an artificial satellite put into orbit?
4Why does an artificial satellite need no extra energy to keep circling? How do its instruments get power?
5Tell the difference between an uplink signal and a downlink signal.
6Name the three satellite orbits and give their heights.
7Why are satellites that observe and photograph the Earth placed in LEO?
8What is GPS, and how does it cover the whole Earth?
9Why does a satellite in geostationary orbit appear fixed above the Earth? What is it used for?
10Write a short note on the International Space Station (ISS).
11Write five points about NepaliSat-1.
12Which orbit is NepaliSat-1 in? Give a reason.
13Give five uses of satellites in daily life.