COMPUTER SECOND PERIOD

In 1948, the invention of the transistor greatly influenced the development of the computer. Transistors replaced vacuum tubes in television, radio, and computers. As a result, the size of the electrical machines is reduced drastically.

The transistor used in computers began in 1956. Coupled with early advances in magnetic-core memory to second generation computers smaller, faster, more reliable, and more energy efficient than their predecessors. The first machine that utilizes this new technology is a supercomputer. IBM makes supercomputer named Stretch, and Sprery-Rand makes a computer named LARC. These computers, which were developed for atomic energy laboratories, can handle large amounts of data, a capability that is needed by researchers atoms. The machine is very expensive and tend to be too complex for business computing needs, thereby limiting. There are only two LARC has been installed and used: one at the Lawrence Radiation Labs in Livermore, California, and the other in the US Navy Research and Development Center in Washington DC Second generation computer replaces the assembly language machine language. Assembly language is a language that uses abbreviations to replace the binary code.


In the early 1960s, began to appear successful second generation computers in business, in universities and in government. The second generation of computers is a fully computer using transistors. They also have components that can be associated with the computer at this time: a printer, storage, disk, memory, operating system, and programs.

One important example of this period is 1401 which is widely accepted in the industry. In 1965, almost all large businesses use computers to process the second generation of financial information.

The program stored in the computer and programming language that is in it gives flexibility to the computer. Flexibility is increased performance at a reasonable price for business use. With this concept, the computer can print customer invoices and minutes later design products or calculate paychecks. Some programming languages began to appear at that time. Programming language Common Business-Oriented Language (COBOL) and FORTRAN (Formula Translator) came into common use. This programming language replaces complicated machine code with words, sentences, and mathematical formulas are more easily understood by humans. This allows a person to program a computer. A wide variety of emerging careers (programmer, systems analyst, and expert computer systems). Industr software also began to emerge and develop in this second generation computers.

Continues to Computer History Third Period <-- click to read

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