Communication Services

A surevy conduceted on 1800 villages shows that 25% of the total villages have only adequate water supply. 15% of the total number have proper supply proper supply of electricity only. 7% of the total number of villages have only proper education facilities. 12% of the total number of villages have tele-communication services only. 16% of the total number of villages have proper health care services only. 6% of the total number of villages adequate water as well as supply of electricity . 8% of the total number of villages have adequate supplu of water, electricity as well as health care services. 5% of the total number of villages as well as health care services and 6% of the total number of villages have all the facilities . How many villages in all have adequate water supply ?

A telephonic communication service is working at carrier frequency of 10 GHz. Only 10% of it is utilized for transmission. How many telephonic channels can be transmitted simultaneously if each channel requires a bandwidth of 5 kHz ?

The service area of space wave communication increases by

Community is

Community is

Which of the following activity comes under supervised learning ? A. Field trips B. Community surveys C. Community services D. Experiment and parcticals

What is a communicate satellite? Name the communication satellites of India.