A Little History

Software is launak devices used in our computer software or in other words it is the computer program and documentation associated with it. During the initial period, the hardware with the general function plays an important role, while the software is in addition to any application and have limited distribution. The program was developed and used by several people or organizations, mobility is still very low. The design of the program / ​​system is a separate process and the documentation is not available. During the initial period of more emphasis on the implementation of computer-based system to system development. The second era began mid-1960 until the 1970s. Multiprogramming and multi-user system was introduced as a new concept in human-computer interaction. Real-time system can collect, analyze and move data from various sources with the regulatory process and generate output in a matter of millisecond. Another characteristic of the second era is the use of software products provided by the ’software house’, where the program was developed for wider distribution and market share are more diverse. The program is used by hundreds if not thousands, so many new requests appear on the program. When many requests and errors found in a program, then made ​​modifications as desired user, these activities are collectively referred to as software maintenance. The third era began mid-1970 to late 1980’s. Distributed systems with multiplekomputer, and each performs functions simultaneously, and to communicate between computers, adding to the complex computer-based systems. The third era is also characterized by the use of microprocessors, personal computers and work stations that are reliable. Microprocessor with the ability to produce


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