Batch 2nd
Batch 2 began in the year 2500 when the transistor replaced the vacuum tube. The transistor is smaller than vacuum tubes. And use less electricity than the amount To make the computer smaller. And last longer. Although the transistor was developed in 2491 but it has not been used transistors instead of vacuum tubes widely in the beginning. After the improvement and development of science of the transistor in the last 10 years, the first transistor began performing well enough to be able to replace vacuum tubes for memory, was the sciences that have faster performance of the magnetic core and plate. Magnetic (magnetic disk) for storage. For input I started using the keyboard (keyboard) in 2505 is an example of this model. IBM 1401 (IBM 1401), which was highly appreciated and has deployed more than 17,000 machines.
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