| 67. | In which decade was the SPICE simulator introduced? | |||||||
Answer: Option C Explanation: SPICE (Simulation Program with Integrated Circuit Emphasis) was introduced in May 1972 by the University of Berkeley, California. |
| 68. | Who invented the first controllable flying AEROPLANE (AIRPLANE)? | |||||||
Answer: Option A Explanation: Wilbur and Orville Wright made the first successful controlled powered flight at Kitty Hawk, North Carolina, in December 1903. The twelve second flight covered a distance of 120 feet and an altitude of just ten feet. |
| 69. | What groovy item was invented by Englishman Edward Craven Walker in 1963? | |||||||
Answer: Option B Explanation: Groovy, baby! Lava lamps, which were a fixture in every hip pad in the 1960s and 70s, featured a mixture of water and colored oil that created swirl patterns when heated by a light bulb. |
| 70. | In which decade was the Internet first implemented? | |||||||
Answer: Option C Explanation: The first message ever sent over what is now called the Internet took place at 10:30PM on October 29, 1969. Back then, the Department of Defense called it ARPAnet (Advanced Research Projects Agency network). |
| 71. | What did cardiologist Dr. Paul Zoll invent in Massachusetts in 1952? | |||||||
Answer: Option D Explanation: The pacemaker is an electrical device that regulates the heartbeat. |
| 72. | What Elmer A. Sperry invented? | |||||||
Answer: Option D Explanation: Invented in 1911. |