In the 1950s, _______________ Were Invented and Quickly Replaced the Thousands

question 127

Multiple Choice

In the 1950s, _______________ were invented and quickly replaced the thousands of vacuum tubes used in electronic computers.

• A) microchips
• B) resistors
• C) transistors
• D) miniaturized circuits

---

Definitions:

Duck-Billed Platypuses

A semi-aquatic mammal endemic to eastern Australia, including Tasmania, unique for its duck-bill, webbed feet, and egg-laying capability.

Mammals

Warm-blooded vertebrate animals with hair or fur, females producing milk for their young.

Homo Floresiensis

A species of small, extinct hominids, known as "hobbits," discovered on the Indonesian island of Flores, notable for their small size and ancient lineage.