114 views

what is logarithm and its type?

Definition : A logarithm is the result of raising power of a number to which the logarithm is assigned. In other word we can say that logarithm is the power to which the given number is raised.
62 views

How to install ,search, and uninstall a software installed on Ubuntu 14.04?

To INSTALL a software Open the ubuntu terminal and type: $ sudo apt-get install THE SOFTWARE NAME Example: i installed gimp a image editor software so the command will be following : $ sudo apt-get install gimp
83 views

what is prefix free code?

Prefix code or prefix free code is an encoding scheme where no codeword is a prefix of another codeword. Lets see another example Q={011, 110100, 0101 } here none of the codewords is a prefix of any
63 views

what is code?

In information theory Code is a set of binary strings or  codewords. for example C={1101, 001, 10, 11101} here the set C is a code and the elements of the set are the codewords. C={1101, 001, 10,
67 views

what is codeword?

A Codeword is the finite arrangement  of binary bits(0,1) which has a specific meaning.  For example 1101 is a codeword. Codewords are used for error-correcting purpose in communication system. C={1101, 001, 10, 11101} C is a set
76 views

What is Host, client and server?

Before starting  any networking course or IT learning course, some basic concept on host, client  and  server is mandatory. Furthermore , a corporate or a big server my consist of host client and server.  Therefore , it
92 views

Network of Many size

Networks come in all sizes. They can range from simple networks consisting of two computers to networks connecting millions of devices. Small home networks : Small home network connects a few computer to each other and Internet.
68 views

How the Networks Support the Way We Communicate?

The globalization of the Internet has ushered in new forms of communication that empower individuals to create information that can be accessed by a global audience. Some forms of communication include: Texting – Texting enables instant real-time
69 views

What is packet tracer?

Packet Tracer is a networking learning tool that supports a wide range of physical and logical simulations. It also provides visualization tools to help you understand the internal workings of a network. These tools will help you
88 views

WHY DO WE NEED FOR MODULATION??

WHY DO WE NEED FOR MODULATION?? Before answering, let me give you two rough and practical instances below are they: First instance: Imagine that  you’re on a bank of one side of a river and I’ll give