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Questions and Answers
The 1950s saw the use of ______ cards as an input interface in computers.
The 1950s saw the use of ______ cards as an input interface in computers.
punched
The first general purpose computer was developed jointly by ______ University and IBM Corporation.
The first general purpose computer was developed jointly by ______ University and IBM Corporation.
Harvard
The ______ Rand Corporation built the first mass-produced electronic computer (UNIVAC) in 1951.
The ______ Rand Corporation built the first mass-produced electronic computer (UNIVAC) in 1951.
Remington
The 1960s saw the replacement of batch-processing systems with ______ processing systems.
The 1960s saw the replacement of batch-processing systems with ______ processing systems.
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The landmark US Supreme Court ______ decision allowed non-Bell equipment to be connected to the AT&T network.
The landmark US Supreme Court ______ decision allowed non-Bell equipment to be connected to the AT&T network.
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The internet began to evolve at the ______ Research Projects Agency (ARPA) through the ARPANET.
The internet began to evolve at the ______ Research Projects Agency (ARPA) through the ARPANET.
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In 1992, ______ Papworth sent the first SMS (or text message).
In 1992, ______ Papworth sent the first SMS (or text message).
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By 1999, ______% of Australians had a mobile phone.
By 1999, ______% of Australians had a mobile phone.
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In 2003, ______ launched the iTunes Music Store and sold one million songs in its first week.
In 2003, ______ launched the iTunes Music Store and sold one million songs in its first week.
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In 2004, what would become the largest social networking site in the world, ______, was launched.
In 2004, what would become the largest social networking site in the world, ______, was launched.
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Study Notes
Data Communications
- Data refers to information stored in digital form, processed, organized, and stored.
- Data is plural, and datum is singular.
History of Data Communications
- 1832: The telegraph, the first data communication system, was invented by Samuel F.B. Morse.
- 1840: The American patent for the telegraph was granted.
- 1844: The first telegraph line was established between Baltimore and Washington D.C., conveying the first telegraph message "What hath God wrought!"
- 1849: The first slow-speed telegraph printer was invented.
- 1850: Western Union Telegraph Company was formed in Rochester, New York.
Milestones in Data Communications
- 1860: "High-speed" printers (15 bps) became available.
- 1874: Emile Baudot invented a telegraph multiplexer that allowed signals from up to six different telegraph machines to be transmitted simultaneously over a single wire.
- 1875: The telephone was invented by Alexander Graham Bell.
- 1899: Guglielmo Marcony succeeded in sending radio (wireless) telegraph messages.
Computing and Internet
- 1930s: Konrad Zuis demonstrated a computing machine.
- 1940: Bell Laboratories developed the first special-purpose computer using electromechanical relays for performing logical operations.
- 1946: The first modern-day computer (ENIAC) was developed by J.Prespeer Eckert and John Mauchley at the University of Pennsylvania.
- 1949: The U.S. National Bureau of Standards developed the first all-electronic diode-based computer capable of executing stored-programs.
Internet and World Wide Web
- 1950s: "Batch processing" computers used punched cards as an input interface, printers as an output interface, and magnetic tape reels for data storage.
- 1960s: Batch-processing systems were replaced by on-line processing systems with terminals connected directly to the computer through serial or parallel communication lines.
- 1968: The US Supreme Court Carterfone decision allowed non-Bell (non-AT&T) equipment to be connected to the vast AT&T network.
- 1969: The internet began to evolve at the Advanced Research Projects Agency (ARPA) through the ARPANET.
Modern Developments
- 1989: Tim Berners-Lee and Robert Cailliau built the prototype system that became the World Wide Web at CERN.
- 1991: Anders Olsson transmits solitary waves through an optical fiber with a data rate of 32 billion bits per second.
- 1992: Neil Papworth sends the first SMS (or text message).
- 1994: Internet radio broadcasting is born.
- 1999: 45% of Australians have a mobile phone, and Sirius satellite radio is introduced.
- 2001: First digital cinema transmission by satellite in Europe of a feature film is undertaken.
- 2003: Apple launches the iTunes Music Store and sells one million songs in its first week, and MySpace is launched.
- 2004: Facebook is launched.
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Description
This quiz covers the history and development of data communication, from the invention of the telegraph to modern data transmission, reception, and processing. Learn about the key milestones and figures that shaped the field.
