Technology - 1 point
| Category | Question | Answer | Last Update |
|---|---|---|---|
| Communications | Ray Tomlinson is believed to be the first person to send a message using what type of communications medium, having done so in 1971? | email | 2023/05/14 |
| Circuits | In standard electronic circuit diagrams, what device is represented by a circle with a cross inside it? | Incandescent light bulb | 2025/04/07 |
| Service | In the UK, 2LO, 5IT, 2ZY, 5NO, and 5WA are defunct examples of what technology service? | Radio stations | 2024/04/18 |
| Product | First released in 1954, Rolex watches with blue and red bezels have colloquially been referred to by the name of which soft drink? | Pepsi | 2024/04/11 |
| Product | What is the name of the line of mobile phones released by Google, which saw its 9th model series released in 2024? | Pixel | 2024/12/07 |
| Product | What electronics company makes the Cyber-shot range of cameras? | Sony | 2025/01/01 |
| Product | Inspired by the Pressman voice recorder used by journalists, to which a headphone jack was added and the record function removed, what item released by Sony in 1979 was said by PC World to have ‘the invented the concept of personal electronics’ when the magazine named it the greatest inventions of the past fifty years in 2005? | Sony Walkman | 2025/05/12 |
| Inventions | Which German revolutionized printing by creating a new form of movable printing press in the middle of the 15th century? | Johannes Gutenberg | 2025/03/01 |
| Engineers | John Dedicoat, who invented the bicycle bell and pencil sharpening machine, was an apprentice of which 18th century Scottish engineer renowned for his work with steam engines and for whom the SI unit of power is named? | James Watt | 2025/05/08 |
Technology - 2 points
| Category | Question | Answer | Last Update |
|---|---|---|---|
| Devices | What are the two different recording devices that comprise a 'black box' flight recorder? | 1. Flight data recorder 2. Cockpit voice recorder | 2024/04/28 |
| Devices | What were the names of the two undersea vessels used by Robert Ballard during his 1985 expedition which discovered the wreck of RMS Titanic? | 1. Argo 2. Jason *Argo was a system of cameras, pulled by the robotic vessel Jason. | 2024/11/30 |
| Devices | Prior to the arrival of DAB digital radio in the 1990s, what were the two most common analogue modulation bands - both known by two-letter initialisms - used in public radio broadcasting? | 1. AM 2. FM *AM stands for amplitude modulation; FM stands for frequency modulation. | 2025/01/16 |
Technology - 3 points
| Category | Question | Answer | Last Update |
|---|---|---|---|
| Power | Per the International Electrotechnical Commission’s international standard IEC 60445, what colours are recommended to be used for the three wires in a standard electrical power supply? | 1. Brown (live wire) 2. Blue (neutral wire) 3. Green and yellow (earth wire) | 2024/12/07 |
Technology - 5 points
| Category | Question | Answer | Last Update |
|---|---|---|---|
| Displays | On a single seven segment display - that being the simple figure-of-eight shape used on digital clocks - what are the five numbers that can be made by illuminating five lines? | 1. 2 2. 3 3. 5 4. 6 5. 9 *6 and 9 can use five or six lines, depending on whether they are given a ‘tail’. | 2025/01/16 |
Technology - 6 points
| Category | Question | Answer | Last Update |
|---|---|---|---|
| Machines | What are the six classical simple machines? | 1. Inclined plane 2. Lever 3. Pulley 4. Screw 5. Wedge 6. Wheel and axle | 2025/01/20 |