Computers and internet essay paper are two most important things in today’s world. Without the help of these two our modern world can’t progress. In the coming chapters these will be our topic if discussion. We also write contest essay papers .

A computer is a programmable machine. The two principal characteristics of this machine are:
a) It responds to a specific set of instructions in a well defined manner
b) It can execute a prerecorded list of instructions( a program)

Modern machines are electronic and digital. The actual machinery- wires, transistors and circuits are called hardware and the instructions and data are called software. The general hardware components of this machine are:
a) Central processing unit (CPU): the heart of this machine, the component that actually executes instructions.
b) Memory: It enables the machine to store, at least temporarily data and programs.
c) Input Device: Usually a keyboard or mouse, the input device is the conduit through which data and instructions enter into the machine.
d) Output Device: A display screen, printer or other such devices that lets you see what the computer has accomplished.
e) Mass storage device: It allows the machine to permanently retain large amounts of data. Common mass storage devices include disk drives and tape drives.

In addition to these components, many others make it possible for the basic components of the machine to work together efficiently. Such critical essay papers make sure to cater to every aspect of the topic.

All computers have certain common characteristics irrespective of their type and size. They are not just adding machines; they are capable of doing complex activities and operations. They can be programmed to do complex, tedious and monotonous tasks.
Internet is the world’s largest computer network, the network of networks, scattered all over the world. It was created nearly 25 years ago as a project for the US department of defense. Such essays have a little tinge of history in it.

Its goal was to create a method for widely separated computers to transfer data efficiently even in the event of a nuclear attack. From a handful of computer and users in the 1960s, today it has grown to thousands of regional networks that can connect millions of users.

Any single individual, company or country does not own this global network.
A network of networks or internet is a group of two or more networks that are:
a) Interconnected physically
b) Capable of communicating and sharing data with each other
c) Able to act together as a single network.

Machines on one network can communicate with machines on other networks, and send data, files and other information back and forth.

For this to work, the networks and machines that are part of the internet have to agree either to speak the same language when they are communicating or to use an interpreter. This language is software that enables the different types of machines on separate networks to communicate and exchange information.

To be used by different types of machines and yet to be understood by all of them, the software must follow a set of rules or protocol. The internet with a capital ‘I’, is the network of networks, which either uses the TCP/IP protocol or interacts with TCP/IP networks via gateways (the interpreters). This system covers the globe and includes large, international networks as well as many smaller, local area networks. Our directory list would cater to large number of topics in this field.

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