level: Level 1
Questions and Answers List
level questions: Level 1
| Question | Answer |
|---|---|
| Abacus | One of the first calculating devices |
| Early computing devices that predate today’s computers | The slide rule, the mechanical calculator, and Dr. Herman Hollerith’s Punch Card Tabulating Machine and Sorter. |
| First-generation computers | Powered by vacuum tubes |
| First-generation computers example | ENIAC |
| Second-generation computers | Used transistors |
| Third-generation computers | Used integrated circuit (IC) |
| Fourth-generation computers | Use microprocessors and are frequently connected to the Internet and other networks |
| Fifth-generation computers | Based on artificial intelligence |