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Internet Security

What is Internet Security? Internet security refers to the practices, technologies, and measures that are implemented to protect computer ne...

A network can be classified on the basis of its area of distribution and the number of computers that are part of the network. On the basis ...

Unguided or Unbounded media Microwave Microwave signals are used to transmit data without the use of cables and the signals are similar to r...

Transmission media Transmission media are of two types Guided or Bounded media Unguided or Unbounded media Guided or bounded media - incl...

Analog and Digital signals Analog signals Analog signals are continuous in nature, that means analog data refers to information that is cont...

Need of Computer Network Network is an interconnected collection of many computers that can share and exchange information. Major needs of n...

Electronic mail- The most widely used tool on the internet is electronic mail. It is used to send written messages electronically. It is a ...