The first generation computers The first generation computers used in vacuum tubes the process speed was very low these computers are very large inside and it is difficult to write programs. It is used in the year of 1946 to 1958. The second generation computers The basic characteristics of the second generation computers is as follows . I n second generation computers they used transistors by replacing of vacuum tubes. . It was smaller and faster and also more efficient than the first generation computers. . The second generation computers they contained the features like operating system disk storage etc. . it is cheaper than the first generation computers. . And it will also have computer languages like COBOL common business oriented language and fortran formula translation were used in during the second generation for programming. The second generation computers used 1956 to 1963. Thi r d generation of computers 3rd Generation computer is as following the ch...
Integrated circuits An integrated circuit is a circuit in which some transistors are fabricated any single piece of semiconductor material it is a group of electronic components like a transistors resistors and capacitors connected by means of voice it is also called the ship computers are rebuild using two kinds of IC chips they are Logic chips Memory chips
Memory chips are used to in the memory to hold data and instructions Things to remember The system unit is the main part of the computer because CPU is placed inside it The motherboard is a printed circuit board or PCB where are all the electrical circuits are printed The power supply unit is a device which converts high voltage current to voltage current required by the components of PC Main memory determine the amount of data that can be stored in the computer as well as the amount of data that it can process
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