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- Question
In which decade was the SPICE simulator introduced?
Options- A. 1950s
- B. 1960s
- C. 1970s
- D. 1980s
- Correct Answer
- 1970s
ExplanationSPICE (Simulation Program with Integrated Circuit Emphasis) was introduced in May 1972 by the University of Berkeley, California. - 1. In which decade was the telephone invented?
Options- A. 1850s
- B. 1860s
- C. 1870s
- D. 1880s Discuss
- 2. What office item was invented by Bette Nesmith Graham in 1951?
Options- A. Fax machine
- B. Stapler
- C. Liquid Paper
- D. Copy machine Discuss
- 3. When was the toothbrush invented?
Options- A. 1770
- B. 1765
- C. 1790
- D. 1742 Discuss
- 4. It travels over land and water. Who invented the HOVERCRAFT?
Options- A. S. Sperrow
- B. O. Stricheg
- C. T. Henman
- D. C. Cockerell Discuss
- 5. What Elmer A. Sperry invented?
Options- A. Hydroplane
- B. Hydraulic turbine
- C. Magnetic compass
- D. Gyrocompass Discuss
- 6. In which decade was the telegraph invented?
Options- A. 1810s
- B. 1840s
- C. 1870s
- D. 1890s Discuss
- 7. In which decade was the first solid state integrated circuit demonstrated?
Options- A. 1950s
- B. 1960s
- C. 1970s
- D. 1980s Discuss
- 8. What treat was invented by 11-year-old Frank Epperson in 1905?
Options- A. Popsicle
- B. Banana split
- C. Cotton candy
- D. Cracker Jacks Discuss
- 9. This African-American woman physical therapist worked with soldiers disabled in World War II. She invented a device that helped the disabled to eat by delivering food through a tube to a mouthpiece.
Options- A. Bessie Blount
- B. Marjorie Joyner
- C. Mae Jamison
- D. Beulah Henry Discuss
- 10. What African-American inventor received 5 patents in the field of shoemaking?
Options- A. Elijah McCoy
- B. Jan Ernst Matzeliger
- C. Ernest Just
- D. Lewis Latimer Discuss
Inventions problems
Search Results
Correct Answer: 1870s
Explanation:
Alexander Graham Bell's notebook entry of 10 March 1876 describes his successful experiment with the telephone. Speaking through the instrument to his assistant, Thomas A. Watson, in the next room, Bell utters these famous first words, "Mr. Watson -- come here -- I want to see you".
Correct Answer: Liquid Paper
Explanation:
Bette's other claim to fame was being the mother of Michael Nesmith of the Monkees.
Correct Answer: 1770
Explanation:
The first toothbrush was made out of a bone and small brush, by jail prisoner William Addis of England.
Correct Answer: C. Cockerell
Explanation:
Christopher Cockerell invented the hovercraft in 1956. His early experiments with the idea involved a cat food tin, a coffee tin and an industrial blower.
Correct Answer: Gyrocompass
Explanation:
Invented in 1911.
Correct Answer: 1840s
Explanation:
On May 24, 1844, Samuel Morse send his famous message, "What hath God wrought?"
Correct Answer: 1950s
Explanation:
On September 12, 1958, Jack Kilby demonstrated the first working IC while working for Texas Instruments, although the U.S. patent office awarded the first patent for an integrated circuit to Robert Noyce of Fairchild.
Correct Answer: Popsicle
Explanation:
It was originally called the 'Epsicle' in his honor. (I can see why that name didn't catch on).
Correct Answer: Bessie Blount
Explanation:
Unfortunately Blount could never get anyone to buy her invention. Finally, in 1952 she sold the rights to the French government.
Correct Answer: Jan Ernst Matzeliger
Explanation:
Matzeliger never benefited financially from his inventions. He died in 1889 at the age of 37 from tuberculosis.
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