Which of the following was NOT among the technologies invented or improved by Thomas A. Edison?
A. the electric light bulb
B. the phonograph
C. the mimeograph
D. the electric dynamo
E. the motion picture
Answer: D
You might also like to view...
The connector in the accompanying figure would be suitable for ____________________ cable.
Fill in the blank(s) with the appropriate word(s).
The two basic currents are DC (Direct Current) and ____________________.
Fill in the blank(s) with the appropriate word(s).
Technician A says that the port fuel injection injectors operate using five volts from the computer. Technician B says that sequential fuel injectors all use a different wire color on the injectors. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B
Many small business owners have purchased which of the following voice equipment in order to meet their needs?
A) ISDN B) PBXs C) voice mail system D) key systems E) a and c F) c and d