The internet is a global network connecting millions of computers. More than 100 countries are linked into exchange of data, news and opinions. According to internet world states, globally, among the world population (7.1 billion, 2013)39% use internet in which Europe uses the most as per 2013.

Correct Option: C

The internet is a global network connecting millions of computers. More than 100 countries are linked into exchange of data, news and opinions. According to internet world states, globally, among the world population (7.1 billion, 2013)39% use internet in which Europe uses the most as per 2013.

RS-D1, IRS-1D and INSAT-2D are all satellite RS-D1 is a Rohini satellite, IRS-ID is an Indian Remote Sensing satellite,INSAT-2D is an inian communications sensing satellite, while SLV-3 is a 'Satellite launching vehicle and not a satellite itself.

Correct Option: A

RS-D1, IRS-1D and INSAT-2D are all satellite RS-D1 is a Rohini satellite, IRS-ID is an Indian Remote Sensing satellite,INSAT-2D is an inian communications sensing satellite while SLV-3 is a 'Satellite launching vehicle and not a satellite itself.

Cosmos 2406 is a Russian military satellite that was launched from Baikonur by a Zenit 2 rocket on 10 June 2004.

Correct Option: B

Cosmos 2406 is a Russian military satellite that was launched from Baikonur by a Zenit 2 rocket on 10 June 2004.

A modem or modulator-demodulator is a device that modulates an analog carrier signal to encode digital information and also demodulates such a carrier signal to decode the transmitted information.

Correct Option: B

modem or modulator-demodulator is a device that modulates an analog carrier signal to encode digital information and also demodulates such a carrier signal to decode the transmitted information.

digital circuits

Correct Option: B

digital circuits