What type of code was used in early printing telegraphy systems?
- Morse code
- Baudot code
- ASCII code
- Binary code
Correct Answer: Baudot code
Correct Answer Explanation: The Baudot code was a five-level code system used in early printing telegraph systems, preceding the more familiar Morse code.
What invention revolutionized the printing telegraph by enabling reliable intercommunicating systems?
- The Baudot code
- The start-stop principle
- The permutation code
- The Telex system
Correct Answer: The start-stop principle
Correct Answer Explanation: The start-stop principle allowed for the synchronization of teleprinters, ensuring accurate and reliable communication.
Who proposed a permutation code that would later be used in printing telegraphy?
- Samuel Morse
- Jean Maurice Emile Baudot
- Charles L. Krum
- Gauss and Weber
Correct Answer: Gauss and Weber
Correct Answer Explanation: Gauss and Weber, German mathematicians and physicists, proposed a permutation code that would eventually be adapted for use in telegraphy.
What advancement in power technology significantly influenced the development of printing telegraphy?
- The invention of the transistor
- The standardization of 60-cycle alternating current
- The use of the Baudot code
- The development of the start-stop principle
Correct Answer: The standardization of 60-cycle alternating current
Correct Answer Explanation: The standardization of 60-cycle AC power enabled easier synchronization between teleprinters, making communication more efficient.
Which of these inventions allowed for the transmission of data over telephone circuits?
- The Teletypesetter Company
- The Kleinschmidt TT-4
- The Kleinschmidt Model 311
- Data-Phone
Correct Answer: Data-Phone
Correct Answer Explanation: The Data-Phone service, introduced by the Bell System, revolutionized data transmission by allowing for the transfer of information over existing phone lines.
Which of these was NOT a key figure in the development of printing telegraphy?
- Edward E. Kleinschmidt
- Charles L. Krum
- Howard L. Krum
- Samuel Morse
Correct Answer: Samuel Morse
Correct Answer Explanation: While Samuel Morse invented the telegraph, he was not involved in the development of printing telegraphy.
Which of these companies was heavily involved in the early development of printing telegraphy?
- Western Union
- Bell Telephone Companies
- The Teletypesetter Company
- All of the above
Correct Answer: All of the above
Correct Answer Explanation: Western Union, Bell Telephone Companies, and The Teletypesetter Company all played significant roles in developing and deploying printing telegraph systems.
Which of these printing telegraph models was NOT developed by the Morkrum Company?
- The Morkrum Blue Code
- The Morkrum Green Code
- The Morkrum No. 12
- The Teletypesetter Company
Correct Answer: The Teletypesetter Company
Correct Answer Explanation: The Teletypesetter Company was a separate entity that developed a system to operate typesetting machines directly from the telegraph.
What was the primary purpose of the Kleinschmidt Keyboard Perforator?
- To operate typesetting machines directly from the telegraph
- To punch Morse code into tape for high-speed transmission
- To transmit messages over telephone circuits
- To create a more efficient code system
Correct Answer: To punch Morse code into tape for high-speed transmission
Correct Answer Explanation: The Kleinschmidt Keyboard Perforator allowed for the rapid transmission of Morse code by punching it onto tape, speeding up communication processes.
What was the primary advantage of the Murray Alphabet and 7½-unit code?
- They were easier to use than Morse code
- They allowed for faster transmission speeds
- They were more compatible with existing telegraph systems
- They were adopted for international teleprinter communication
Correct Answer: They were adopted for international teleprinter communication
Correct Answer Explanation: The Murray Alphabet and 7½-unit code were adopted as a standard for international teleprinter communication, facilitating global connections.
What was the primary reason for the rapid adoption of the Telex system in Europe?
- It was more efficient than existing telegraph systems
- It used the start-stop principle for reliable communication
- It allowed for direct point-to-point connections between teleprinters
- All of the above
Correct Answer: All of the above
Correct Answer Explanation: The Telex system offered a combination of benefits, including efficiency, reliability, and direct point-to-point communication, contributing to its widespread adoption.
How did the invention of the transistor influence the development of printing telegraphy?
- It made teleprinters smaller and more reliable
- It allowed for the transmission of data over telephone circuits
- It made printing telegraphy more affordable
- It led to the development of the Telex system
Correct Answer: It made teleprinters smaller and more reliable
Correct Answer Explanation: The transistor allowed for the creation of smaller, more reliable and more efficient teleprinters, revolutionizing their design and capabilities.
What was the name of the intercommunicating teleprinter system introduced in the U.S. in 1931?
- Telex
- TWX
- Data-Phone
- Teletypesetter
Correct Answer: TWX
Correct Answer Explanation: TWX, short for TeletypeWriter eXchange, was introduced by Bell Telephone Companies in the U.S., providing a teletypewriter exchange service.
How did the development of printing telegraphy impact the news industry?
- It made news dissemination faster and more efficient
- It allowed for the transmission of photographs
- It led to the creation of the Associated Press
- It increased the cost of publishing newspapers
Correct Answer: It made news dissemination faster and more efficient
Correct Answer Explanation: The development of printing telegraphy enabled the rapid transmission of news stories, revolutionizing the speed and efficiency of news dissemination.
What was the primary purpose of the Teletypesetter Company?
- To develop more efficient teleprinters
- To operate typesetting machines directly from the telegraph
- To provide intercommunicating teleprinter services
- To manufacture telegraph equipment
Correct Answer: To operate typesetting machines directly from the telegraph
Correct Answer Explanation: The Teletypesetter Company developed a system that allowed for typesetting machines to be directly controlled from a telegraph circuit, automating the process of setting type for printing.
Which of these advancements was NOT a significant factor in the evolution of printing telegraphy?
- The start-stop principle
- The use of the Baudot code
- The development of the transistor
- The invention of the computer
Correct Answer: The invention of the computer
Correct Answer Explanation: While computers would later have a significant impact on communication, they were not a direct factor in the early development and evolution of printing telegraphy.
What was the name of the Kleinschmidt tactical page printer that became standard for the U.S. Military?
- The Kleinschmidt Model 311
- The Kleinschmidt TT-4
- The Kleinschmidt Keyboard Perforator
- The Kleinschmidt No. 12
Correct Answer: The Kleinschmidt TT-4
Correct Answer Explanation: The Kleinschmidt TT-4, a tactical page printer, was adopted by the U.S. Military for field communication purposes, providing a reliable and portable solution for transmitting messages.
What was the approximate number of Telex subscribers worldwide in the 1960s?
- 100,000
- 500,000
- 1,000,000
- 5,000,000
Correct Answer: 1,000,000
Correct Answer Explanation: By the 1960s, the Telex system had gained widespread adoption, with approximately 1,000,000 subscribers worldwide, connecting businesses and individuals across the globe.
What was the name of the company that initially used a four-unit-code system for their printing telegraph system?
- Western Union
- Morkrum Company
- Teletypesetter Company
- Kleinschmidt
Correct Answer: Morkrum Company
Correct Answer Explanation: The Morkrum Company initially used a four-unit-code system, but later developed a more efficient five-unit-code system known as the Morkrum Green Code.
What was the primary advantage of the Morkrum Green Code over the Morkrum Blue Code?
- It used the start-stop principle
- It was more efficient
- It was more compatible with existing telegraph systems
- All of the above
Correct Answer: All of the above
Correct Answer Explanation: The Morkrum Green Code offered significant advantages over the Blue Code, including the use of the start-stop principle, greater efficiency, and better compatibility with existing telegraph systems.
Which of these printing telegraph models was used by the Associated Press for news distribution?
- The Morkrum No. 11
- The Morkrum No. 12
- The Morkrum Blue Code
- The Morkrum Green Code
Correct Answer: The Morkrum Blue Code
Correct Answer Explanation: The Associated Press adopted the Morkrum Blue Code printer for its news distribution network, enabling the rapid transmission of news stories to newspapers across the country.
Which of these printing telegraph models was popular for local message service?
- The Morkrum No. 11
- The Morkrum No. 12
- The Morkrum Blue Code
- The Morkrum Green Code
Correct Answer: The Morkrum No. 11
Correct Answer Explanation: The Morkrum No. 11, a compact tape printer, was favored for local message service due to its size and ease of use.
What was the name of the high-speed printer developed by Kleinschmidt that operated at speeds up to 400 words per minute?
- The Kleinschmidt TT-4
- The Kleinschmidt Keyboard Perforator
- The Kleinschmidt Model 311
- The Kleinschmidt No. 12
Correct Answer: The Kleinschmidt Model 311
Correct Answer Explanation: The Kleinschmidt Model 311, an electronic data printer, was designed for high-speed communication and data processing systems, capable of transmitting messages at speeds up to 400 words per minute.
What was the primary purpose of the Western Union Multiplex?
- To increase the speed of telegraph transmission
- To improve the accuracy of telegraph transmission
- To allow for the transmission of multiple messages over a single line circuit
- To reduce the cost of telegraph transmission
Correct Answer: To allow for the transmission of multiple messages over a single line circuit
Correct Answer Explanation: The Western Union Multiplex allowed for the transmission of multiple messages simultaneously over a single line circuit, increasing efficiency and capacity.
Which of these printing telegraph models was NOT used by Western Union?
- The Morkrum No. 12
- The Kleinschmidt Keyboard Perforator
- The Morkrum Blue Code
- The Morkrum Green Code
Correct Answer: The Morkrum Green Code
Correct Answer Explanation: While Western Union adopted other models, the Morkrum Green Code was primarily used by the Associated Press and other organizations.
What was the name of the printing telegraph model used by the Chicago Police?
- The Morkrum No. 12
- The Kleinschmidt TT-4
- The Morkrum Blue Code
- The Morkrum Green Code
Correct Answer: The Morkrum No. 12
Correct Answer Explanation: The Morkrum No. 12 was installed by the Chicago Police for their internal communication systems, utilizing its reliability and efficiency.
What was the name of the system that allowed for the transmission of printed messages over a telegraph circuit?
- Telex
- Teletypesetter
- Teletypewriter
- Data-Phone
Correct Answer: Teletypewriter
Correct Answer Explanation: A teletypewriter is a device that transmits and receives printed messages over a telegraph circuit, playing a key role in the evolution of communication technology.
What was the name of the printing telegraph system that was adopted by railroads in the early 20th century?
- Telex
- TWX
- Morkrum No. 12
- Teletypesetter
Correct Answer: Morkrum No. 12
Correct Answer Explanation: Railroads adopted the Morkrum No. 12 for their communication systems, utilizing its reliability for efficient and timely communication across their vast networks.
What was the name of the printing telegraph system that was used by the U.S. Government for high-speed Morse transmission?
- The Morkrum Blue Code
- The Morkrum Green Code
- The Kleinschmidt Keyboard Perforator
- The Kleinschmidt TT-4
Correct Answer: The Kleinschmidt Keyboard Perforator
Correct Answer Explanation: The Kleinschmidt Keyboard Perforator was used by the U.S. Government, Western Union, and cable companies for high-speed Morse transmission, speeding up communication processes.
What was the name of the company that initially funded the development of the Teletypesetter system?
- Western Union
- Bell Telephone Companies
- The Teletypesetter Company
- Frank E. Gannett
Correct Answer: Frank E. Gannett
Correct Answer Explanation: Frank E. Gannett, a prominent newspaper publisher, initially funded the development of the Teletypesetter system, recognizing its potential to revolutionize the printing industry.
What was the primary function of the Kleinschmidt TT-4?
- To operate typesetting machines directly from the telegraph
- To transmit messages over telephone circuits
- To provide reliable communication in field operations
- To create a more efficient code system
Correct Answer: To provide reliable communication in field operations
Correct Answer Explanation: The Kleinschmidt TT-4, a tactical page printer, was adopted by the U.S. Military for field communication purposes, providing a reliable and portable solution for transmitting messages in challenging environments.
What was the approximate number of TWX subscribers in the U.S. in the 1960s?
- 10,000
- 50,000
- 100,000
- 500,000
Correct Answer: 54,000
Correct Answer Explanation: TWX, a teletypewriter exchange service, had approximately 54,000 subscribers in the U.S. by the 1960s, connecting businesses and individuals within the country.
What was the name of the company that adopted the Murray Multiplex for efficient transmission over trunk circuits?
- Western Union
- Bell Telephone Companies
- The Teletypesetter Company
- Kleinschmidt
Correct Answer: Western Union
Correct Answer Explanation: Western Union adopted the Murray Multiplex for its efficiency in transmitting messages over trunk circuits, contributing to the company’s dominance in the telegraph industry.
What was the primary purpose of the Kleinschmidt Model 311?
- To operate typesetting machines directly from the telegraph
- To transmit messages over telephone circuits
- To provide reliable communication in field operations
- To transmit data at high speeds
Correct Answer: To transmit data at high speeds
Correct Answer Explanation: The Kleinschmidt Model 311, an electronic data printer, was designed for high-speed communication and data processing systems, enabling the efficient transmission of data at speeds up to 400 words per minute.
What was the primary advantage of the permutation code over other code systems used in telegraphy?
- It was more efficient
- It was easier to learn
- It was more compatible with existing telegraph systems
- It was more secure
Correct Answer: It was more efficient
Correct Answer Explanation: The permutation code, using combinations of five pulses, offered a significant advantage in efficiency over other code systems, allowing for faster and more reliable transmission of messages.
What was the primary impact of the start-stop principle on the development of printing telegraphy?
- It allowed for the transmission of multiple messages over a single line circuit
- It made printing telegraphy more affordable
- It enabled the creation of reliable intercommunicating systems
- It led to the development of the Telex system
Correct Answer: It enabled the creation of reliable intercommunicating systems
Correct Answer Explanation: The start-stop principle was crucial for establishing a reliable intercommunicating telegraph system by allowing for the synchronization of teleprinters, ensuring accurate and timely communication.
What was the primary purpose of the Kleinschmidt Keyboard Perforator?
- To operate typesetting machines directly from the telegraph
- To punch Morse code into tape for high-speed transmission
- To transmit messages over telephone circuits
- To create a more efficient code system
Correct Answer: To punch Morse code into tape for high-speed transmission
Correct Answer Explanation: The Kleinschmidt Keyboard Perforator allowed for the rapid transmission of Morse code by punching it onto tape, speeding up communication processes.
What was the name of the printing telegraph system that was adopted by the Postal Telegraph Company for intercity circuits?
- The Morkrum No. 11
- The Morkrum No. 12
- The Morkrum Blue Code
- The Morkrum Green Code
Correct Answer: The Morkrum No. 12
Correct Answer Explanation: The Postal Telegraph Company installed the Morkrum No. 12 for its intercity circuits, utilizing its reliability and efficiency for communication across long distances.
What was the primary advantage of the Morkrum No. 12 over other printing telegraph models?
- It was more efficient
- It was more reliable
- It was more compact
- It was more affordable
Correct Answer: It was more reliable
Correct Answer Explanation: The Morkrum No. 12 was known for its reliability and was favored by organizations that required consistent and accurate communication, including Western Union, railroads, and law enforcement agencies.
What was the primary impact of the standardization of 60-cycle alternating current on the development of printing telegraphy?
- It made printing telegraphy more affordable
- It enabled the creation of reliable intercommunicating systems
- It made teleprinters smaller and more reliable
- It allowed for the transmission of data over telephone circuits
Correct Answer: It enabled the creation of reliable intercommunicating systems
Correct Answer Explanation: The standardization of 60-cycle AC power enabled easier synchronization between teleprinters, contributing to the development of reliable intercommunicating systems that could transmit information accurately over long distances.
What was the primary impact of the invention of the transistor on the development of printing telegraphy?
- It made printing telegraphy more affordable
- It allowed for the transmission of data over telephone circuits
- It made teleprinters smaller and more reliable
- It enabled the creation of reliable intercommunicating systems
Correct Answer: It made teleprinters smaller and more reliable
Correct Answer Explanation: The transistor allowed for the creation of smaller, more reliable and more efficient teleprinters, revolutionizing their design and capabilities.
What was the primary purpose of the Data-Phone service?
- To transmit messages over telephone circuits
- To operate typesetting machines directly from the telegraph
- To create a more efficient code system
- To provide reliable communication in field operations
Correct Answer: To transmit messages over telephone circuits
Correct Answer Explanation: The Data-Phone service, introduced by the Bell System, revolutionized data transmission by allowing for the transfer of information over existing phone lines, opening up new possibilities for communication and data exchange.
What was the name of the printing telegraph system that was adopted by the Associated Press for news distribution?
- The Morkrum No. 11
- The Morkrum No. 12
- The Morkrum Blue Code
- The Morkrum Green Code
Correct Answer: The Morkrum Blue Code
Correct Answer Explanation: The Associated Press adopted the Morkrum Blue Code printer for its news distribution network, enabling the rapid transmission of news stories to newspapers across the country, revolutionizing the speed and efficiency of news dissemination.
What was the primary advantage of the Murray Alphabet and 7½-unit code over other code systems used in telegraphy?
- It was more efficient
- It was easier to learn
- It was more compatible with existing telegraph systems
- It was adopted for international teleprinter communication
Correct Answer: It was adopted for international teleprinter communication
Correct Answer Explanation: The Murray Alphabet and 7½-unit code were adopted as a standard for international teleprinter communication, facilitating global connections and standardizing communication across borders.
What was the name of the company that initially used a four-unit-code system for their printing telegraph system?
- Western Union
- Morkrum Company
- Teletypesetter Company
- Kleinschmidt
Correct Answer: Morkrum Company
Correct Answer Explanation: The Morkrum Company initially used a four-unit-code system, but later developed a more efficient five-unit-code system known as the Morkrum Green Code, demonstrating the company’s commitment to innovation and improving communication technology.
What was the primary advantage of the Morkrum Green Code over the Morkrum Blue Code?
- It used the start-stop principle
- It was more efficient
- It was more compatible with existing telegraph systems
- All of the above
Correct Answer: All of the above
Correct Answer Explanation: The Morkrum Green Code offered significant advantages over the Blue Code, including the use of the start-stop principle, greater efficiency, and better compatibility with existing telegraph systems, contributing to its widespread adoption.
What was the name of the printing telegraph model that was used by the Chicago Police?
- The Morkrum No. 11
- The Morkrum No. 12
- The Morkrum Blue Code
- The Morkrum Green Code
Correct Answer: The Morkrum No. 12
Correct Answer Explanation: The Morkrum No. 12 was installed by the Chicago Police for their internal communication systems, utilizing its reliability and efficiency for fast and accurate communication within the department.
What was the name of the printing telegraph system that was adopted by railroads in the early 20th century?
- Telex
- TWX
- Morkrum No. 12
- Teletypesetter
Correct Answer: Morkrum No. 12
Correct Answer Explanation: Railroads adopted the Morkrum No. 12 for their communication systems, utilizing its reliability for efficient and timely communication across their vast networks.
What was the name of the printing telegraph system that was used by the U.S. Government for high-speed Morse transmission?
- The Morkrum Blue Code
- The Morkrum Green Code
- The Kleinschmidt Keyboard Perforator
- The Kleinschmidt TT-4
Correct Answer: The Kleinschmidt Keyboard Perforator
Correct Answer Explanation: The Kleinschmidt Keyboard Perforator was used by the U.S. Government, Western Union, and cable companies for high-speed Morse transmission, speeding up communication processes.
What was the name of the company that initially funded the development of the Teletypesetter system?
- Western Union
- Bell Telephone Companies
- The Teletypesetter Company
- Frank E. Gannett
Correct Answer: Frank E. Gannett
Correct Answer Explanation: Frank E. Gannett, a prominent newspaper publisher, initially funded the development of the Teletypesetter system, recognizing its potential to revolutionize the printing industry and enhance the efficiency of newspaper production.
What was the primary function of the Kleinschmidt TT-4?
- To operate typesetting machines directly from the telegraph
- To transmit messages over telephone circuits
- To provide reliable communication in field operations
- To create a more efficient code system
Correct Answer: To provide reliable communication in field operations
Correct Answer Explanation: The Kleinschmidt TT-4, a tactical page printer, was adopted by the U.S. Military for field communication purposes, providing a reliable and portable solution for transmitting messages in challenging environments.
What was the approximate number of TWX subscribers in the U.S. in the 1960s?
- 10,000
- 50,000
- 100,000
- 500,000
Correct Answer: 54,000
Correct Answer Explanation: TWX, a teletypewriter exchange service, had approximately 54,000 subscribers in the U.S. by the 1960s, connecting businesses and individuals within the country, facilitating communication within various sectors.
What was the name of the company that adopted the Murray Multiplex for efficient transmission over trunk circuits?
- Western Union
- Bell Telephone Companies
- The Teletypesetter Company
- Kleinschmidt
Correct Answer: Western Union
Correct Answer Explanation: Western Union adopted the Murray Multiplex for its efficiency in transmitting messages over trunk circuits, contributing to the company’s dominance in the telegraph industry, as they sought to enhance communication speed and capacity.
What was the primary purpose of the Kleinschmidt Model 311?
- To operate typesetting machines directly from the telegraph
- To transmit messages over telephone circuits
- To provide reliable communication in field operations
- To transmit data at high speeds
Correct Answer: To transmit data at high speeds
Correct Answer Explanation: The Kleinschmidt Model 311, an electronic data printer, was designed for high-speed communication and data processing systems, enabling the efficient transmission of data at speeds up to 400 words per minute, revolutionizing the speed and efficiency of data exchange.
What was the primary advantage of the permutation code over other code systems used in telegraphy?
- It was more efficient
- It was easier to learn
- It was more compatible with existing telegraph systems
- It was more secure
Correct Answer: It was more efficient
Correct Answer Explanation: The permutation code, using combinations of five pulses, offered a significant advantage in efficiency over other code systems, allowing for faster and more reliable transmission of messages, contributing to the advancement of communication technology.
What was the primary impact of the start-stop principle on the development of printing telegraphy?
- It allowed for the transmission of multiple messages over a single line circuit
- It made printing telegraphy more affordable
- It enabled the creation of reliable intercommunicating systems
- It led to the development of the Telex system
Correct Answer: It enabled the creation of reliable intercommunicating systems
Correct Answer Explanation: The start-stop principle was crucial for establishing a reliable intercommunicating telegraph system by allowing for the synchronization of teleprinters, ensuring accurate and timely communication, paving the way for the development of intercommunicating systems like Telex and TWX.
What was the primary purpose of the Kleinschmidt Keyboard Perforator?
- To operate typesetting machines directly from the telegraph
- To punch Morse code into tape for high-speed transmission
- To transmit messages over telephone circuits
- To create a more efficient code system
Correct Answer: To punch Morse code into tape for high-speed transmission
Correct Answer Explanation: The Kleinschmidt Keyboard Perforator allowed for the rapid transmission of Morse code by punching it onto tape, speeding up communication processes, contributing to the efficiency of communication systems.
What was the name of the printing telegraph system that was adopted by the Postal Telegraph Company for intercity circuits?
- The Morkrum No. 11
- The Morkrum No. 12
- The Morkrum Blue Code
- The Morkrum Green Code
Correct Answer: The Morkrum No. 12
Correct Answer Explanation: The Postal Telegraph Company installed the Morkrum No. 12 for its intercity circuits, utilizing its reliability and efficiency for communication across long distances, contributing to the expansion of communication networks.
What was the primary advantage of the Morkrum No. 12 over other printing telegraph models?
- It was more efficient
- It was more reliable
- It was more compact
- It was more affordable
Correct Answer: It was more reliable
Correct Answer Explanation: The Morkrum No. 12 was known for its reliability and was favored by organizations that required consistent and accurate communication, including Western Union, railroads, and law enforcement agencies, as it provided a stable and dependable communication solution.