Generation of Computers with Their Characteristics -

Computer Hardware and Software

  1. Application Softwares are programs that are used to solve specific problems or tasks such as railway reservation systems, banking applications, hotel management systems, employee management systems, HR management systems, etc.
  2. System software is programs that are used to control the hardware and peripherals. On the other hand, we can execute the application programs with the help of system software. For eg:- Operating systems and language processors are considered the system software.

The total Generation of Computers is described one by one below

First Generation

The characteristics of first-generation computers

  • Vacuum tubes are used as principal electronic components which occupied large spaces and generated more heat.
  • The speed of computing was measured in milliseconds.
  • The storage capacity was limited.
  • For the operation of input and outputs, punched cards were used.

Second Generation

The characteristics of the second generation computers

  • Electronic components of the solid-state like diodes and transistors were used as the principal electronic components.
  • The speed of computing was measured in microseconds.
  • Considerable reduction in heat generation.
  • Remarkable improvement in reliability.
  • Increased storage capacity.
  • Magnetic tapes besides punched cards are also used for input/ output operations.

Third Generation Computers

The characteristics of the third generation computers

  • Use of Integrated Circuits (IC).
  • The speed of computing was measured in nanoseconds.
  • Occupied less, space.
  • Improved input / Output devices like visual display unit( monitor ), line printers and magnetic tapes, etc were used.

Fourth Generation Computers

The characteristics of the fourth generation computers

  • Use of microprocessor chip ( The entire CPU i.e. central processing unit on a single chip ).
  • The speed of computing was measured in nano and picoseconds.
  • Occupied less space.
  • Commonly available as personal computers.
  • Mini and microcomputers were developed from microprocessors.

Fifth Generation Computers

The characteristics of the fifth generation computers

  • Use of super large scale integration (SLSI) chip in computers (supercomputers).
  • Supercomputers are capable of performing millions of instructions in a second.
  • The speed of processing is high.
  • Use of RISC (Reduced Instructions Set Computing) for processing.
  • The fifth-generation computers are very expensive.

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Hi, This is Biplab and I am web developer well versed in PHP and other open source technologies. I am here to share my experience with the community.

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Hi, This is Biplab and I am web developer well versed in PHP and other open source technologies. I am here to share my experience with the community.

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