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Tuesday, March 28, 2017

Types of Computer

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Computers can be broadly classified by their speed and computing power. Sr.No. Type Specifications 1 PC (Personal Computer) It ...

Computer - Fifth Generation

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Computer - Fifth Generation The period of fifth generation is 1980-till date. In the fifth generation, the VLSI technology became ULSI (...

Computer - Fourth Generation

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Computer - Fourth Generation The period of fourth generation was 1971-1980. The computers of fourth generation used Very Large Scale I...

Computer - Third Generation

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Computer - Third Generation The period of third generation was 1965-1971. The computers of third generation used integrated circuits (...

Computer - Second Generation

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Computer - Second Generation The period of second generation was 1959-1965. In this generation transistors were used that were cheaper...

Generations of Computers

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The history of computer development is often in reference to the different generations of computing devices . Each of the generation of com...

CRT (CATHODE RAY TUBE)

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CRT stands for Cathode Ray Tubes and is the very old style display which uses the florescent blue tube in itself and it projects the elect...

Display Devices

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A display device or VDU (Video Display Unit) is an output device for presentation of information in visual. When the input information is ...

Laser Printer

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Laser printers are non impact printers work on the  principle of static electricity  i.e. atoms with opposite charges attract each other....
Wednesday, March 22, 2017

Inkjet Printer

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An inkjet printer is non impact printer. It a computer peripheral that produces hard copy by spraying ink onto paper. A typical inkjet prin...

Line Printers (Drum and Chain Printer)

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Line Printers: They are known as line printers because they print one line at a time. Characteristics of a line printer: Characters are ...
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Daisy Wheel Printer

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A daisy wheel printer is an early type of impact Printer invented in 1969 by David S. Lee at Diablo Data Systems. The printer uses a met...

Dot Matrix Printer

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A Dot Matrix Printer or Impact Matrix Printer refers to a type of computer printer with a print head that runs back and forth on the pag...