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प्रश्न
Explain the differences between the different generations of computers. How did science contribute to these developments?
उत्तर
| Computer Generations | ||||||
| No. | Information | First generation | Second generation | Third generation | Fourth generation | Fifth generation |
| 1. | Periods | 1946 to 1959 | 1959 to 1963 | 1964 to 1971 | 1971 to 1990 | 1990 to date |
| 2. | Main component | Vacuum tube based | Transistor-based | Integrated circuit based | microprocessor based |
Parallel Processing, Networking |
| 3. | Input Device | punch card | punch card | Keyboard | Keyboard, mouse | Keyboard, mouse, scanner and more |
| 4. |
Need for AC to keep cool |
Yes | Yes | Yes | No | No |
| 5. |
Language |
machine language | machine and assembly languages COBOL | High-level programming language, Operating System | Graphical User Interface (GUI) | GUI |
As time progresses, the size, price and maintenance cost of computers are decreasing. The working speed of the computer and its storage capacity are increasing.
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Sir Isaac Newton invented computer.
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______ is also a computer.
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______ is a device comprising both hardware and software.
Match the following:
| 1. | Mouse | a. | Storage device |
| 2. | Free and open source software | b. | Hard Disk |
| 3. | pen drive | c. | Input device |
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| 5. | Hardware | e. | Paid and proprietary software |
