96. The commonly used multiple access technique that has very stringent timing and synchronising requirement for the earth station is the :
(a) CDMA
(b) TDMA
(c) FDMA
(d) both a and b
97. The satellite series developed by ISRO for measurement of earth observation application is the :
(a) INSAT-2 series
(b) INSAT-1 series
(c) IRS series
(d) SROSS-C series
98. For DBS TV transmission the downlink frequency is about :
(a) 14 GHz
(b) 10 GHz
(c) 6 GHz
(d) 12 GHz
99. VSAT stands for :
(a) Very small aperture terminal
(b) Very small antenna terminal
(c) Very small antenna transistor
(d) None of these
100. Number of satellites in global positioning system :
(a) 12
(b) 24
(c) 3
(d) 6
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