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Amar Kumar 7 years, 1 month ago

Computer is an advanced electronic device which is capable of receiving information (data) in a particular form and of performing a sequence of operations(arithmatic and logical etc.) in accordance with a predetermined but variable set of procedural instructions (program) to produce a result in the form of information or signals. Computer works as input, process and output form.

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Saksham Sawarna 7 years, 2 months ago

Conversion of one data type into another is known as type casting
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Anshu Chauhan 7 years, 2 months ago

<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Double.html#parseDouble%28java.lang.String%29"><code>parseDouble</code></a> returns a primitive double containing the value of the string:

Returns a new double initialized to the value represented by the specified String, as performed by the valueOf method of class Double.

<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Double.html#valueOf%28double%29"><code>valueOf</code></a> returns a Double instance, if already cached, you'll get the same cached instance.

Returns a Double instance representing the specified double value. If a new Double instance is not required, this method should generally be used in preference to the constructor Double(double), as this method is likely to yield significantly better space and time performance by caching frequently requested values.

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Ilu Ahirwar 7 years, 2 months ago

Database is a structured set of data held in a computer, especially one that is accessible in various ways.

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Sahdev Sharma 7 years, 2 months ago

  • It is easy to set-up and extend bus network.
  • Cable length required for this topology is the least compared to other networks.
  • Bus topology costs very less.
  • LinearBus network is mostly used in small networks. Good for LAN.
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Sahdev Sharma 7 years, 2 months ago

  • VDU Stands for Visual Display Unit. A VDU displays images generated by a computer or other electronic device.
  • USB is defined as an acronym that stands for Universal Serial Bus which is a type of computer port which can be used to connect equipment to a computer.
  • HTML stands for Hyper Text Markup Language.
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Sona Irshad 7 years, 2 months ago

Cardinality counts no.of rows in a table. Degree counts no.of attributes in a table.

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