Computer - Quick Guide
| S.N. | Generation & Description |
|---|---|
| 1 | First Generation The period of first generation : 1946-1959. Vaccum tube based. |
| 2 | Second Generation The period of second generation : 1959-1965. Transistor based. |
| 3 | Third Generation The period of third generation : 1965-1971. Integrated Circuit based. |
| 4 | Fourth Generation The period of fourth generation : 1971-1980. VLSI microprocessor based. |
| 5 | Fifth Generation The period of fifth generation : 1980-onwards.ULSI microprocessor based |
Computer - Types
| Sr. No. | Type | Specifications |
|---|---|---|
| 1 | PC (Personal Computer) | Single user computer system. Moderately powerful microprocessor. |
| 2 | WorkStation | Single user computer system. Similar to Personal Computer but have more powerful microprocessor. |
| 3 | Mini Computer | Multi-user computer system. Capable of supporting hundreds of users simulaneously. |
| 4 | Main Frame | Multi-user computer system. Capable of supporting hundreds of users simulaneously.Software technology is different from minicomputer. |
| 5 | Supercomputer | An extremely fast computer which can perform hundreds of millions of instructions per second. |
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