| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| (Reshma Saujani presents the clue.) In the 1970s, Moore's Law surmised that the number of these central components on microchips would double every two years, but Moore later admitted, it probably won't last | transistors | $600 | J | TECHNOLOGY | 2021-02-08 | #8331 | |
| After 1948 these tiny devices were used to replace vacuum tubes in electronic equipment | transistors | $600 | DJ | SCIENCE & TECHNOLOGY | 1995-03-21 | #2437 |