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Questions and Answers
Which method of long-distance communication is one of the oldest forms and was used by American Indians as a distress signal?
Which method of long-distance communication is one of the oldest forms and was used by American Indians as a distress signal?
Which ancient civilizations used bird couriers as a method of long-distance communication?
Which ancient civilizations used bird couriers as a method of long-distance communication?
Who developed a messaging system using flags as methods of communication in 1792?
Who developed a messaging system using flags as methods of communication in 1792?
In what year did the Pony Express mail service deliver messages, newspapers, and mails using relays of horse-mounted riders?
In what year did the Pony Express mail service deliver messages, newspapers, and mails using relays of horse-mounted riders?
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What is the term used to describe the technology of transmission of electrical signals over wire communications lines?
What is the term used to describe the technology of transmission of electrical signals over wire communications lines?
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Which technology revolutionized long-distance communication by sending electric signals in the form of Morse code?
Which technology revolutionized long-distance communication by sending electric signals in the form of Morse code?
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What is the instrument designed for the simultaneous transmission of human voice?
What is the instrument designed for the simultaneous transmission of human voice?
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Which generation of digital communication introduced the concept of Code Division Multiple Access (CDMA) and Global System for Mobiles (GSM)?
Which generation of digital communication introduced the concept of Code Division Multiple Access (CDMA) and Global System for Mobiles (GSM)?
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Which generation of digital communication introduced Short Message Service (SMS), General Packet Radio Service (GPRS), and Packet Switching Network (PSN)?
Which generation of digital communication introduced Short Message Service (SMS), General Packet Radio Service (GPRS), and Packet Switching Network (PSN)?
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What is the term used to describe the transmission of electric current projected into space in the form of radio waves?
What is the term used to describe the transmission of electric current projected into space in the form of radio waves?
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