Q: In which decade was the telephone invented?

1. 1860s
2. 1850s
3. 1880s
4. 1870s

Q: When was Milk Tray first introduced?

1. 1934
2. 1942
3. 1923
4. 1915

Q: In which decade was the first solid state integrated circuit demonstrated?

1. 1950s
2. 1970s
3. 1980s
4. 1960s

Q: FROZEN FOOD - Who discovered the first practical method of freezing food?

1. G. Findus
2. C. Birdseye
3. F. Rozenosh
4. R. Scott

Q: Who perfected GENETIC ENGINEERING?

1. Hunt & Davids
2. Sinclair & Roberts
3. Cohen & Boyer
4. Jaysson & Simons

Q: In which decade was the SPICE simulator introduced?

1. 1960s
2. 1970s
3. 1980s
4. 1950s

Q: In which decade was the transistor invented?

1. 1980s
2. 1960s
3. 1950s
4. 1940s

Q: The ELECTRIC BATTERY, who's charged with inventing this one?

1. Hertz
2. Galvani
3. Amper
4. Volta

Q: It travels over land and water. Who invented the HOVERCRAFT?

1. O. Stricheg
2. T. Henman
3. S. Sperrow
4. C. Cockerell

Q: In which decade was the telegraph invented?

1. 1890s
2. 1870s
3. 1810s
4. 1840s

Q: In which decade were the first successful diode and triode vacuum tubes invented?

1. 1890s
2. 1880s
3. 1800s
4. 1900s

Q: The initials JCB on earth-moving equipment are those of the founder of the company that makes it. What is his name?

1. Joseph Cyril Bamford
2. John Christopher Ballantyne
3. Jack Croxford Baker
4. John Christopher Baxter

Q: In which decade with the first transatlantic radio broadcast occur?

1. 1860s
2. 1850s
3. 1900s
4. 1870s

Q: Who came up with the idea for INSTANT MASHED POTATO?

1. E. Asselbergs
2. S. Tuberosum
3. K. Edwards
4. W. Raleigh