The first C computer based on the technology of vacuum tubes. And data collection is a punch card.The second is a computer based on the technology of transistor. And data collection is a tape. The process is respectively (Sequential Processing).The third is computer based on the technology of IC (integrated circuit IC), and data collection is a magnetic plate A running multiple applications simultaneously (Multiprogramming) and online (on-line).Fourth generation computer based on the technology of VLSI (Large-scale integration LSI) of the electric circuit, should a piece of this technology. Microprocessor (microprocessor) said to be the "Computer on a chip" in this era.It can be seen that the evolution from the past to the present. The computer has been developed on. Come fast to computer science The development of constantly changing. It can be said that the world of computer science. The movement is always (dynamics). However, such development not flexible (rigid) much, because if the error in little mechanism Sometimes it can cause big problems the enormous. The development of computer also counted as the world of control, or can handle has less, that is, as soon as the working computer program. The machine is working on the program manually. And while the machine work that humans cannot control.
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