What is the Full Form of HTTP ?

HTTP - Hypertext Transfer Protocol

Hypertext Transfer Protocol provides a standard for Web browsers, that allow users to exchange information from the World Wide Web. Most of the websites you see today, use this protocol for accessing any file or page. It works like this : when you enter a URL in you web browser to access any particular file or page, the protocol fetches that particular file from a server and responds back, that requested Web page to the client. You need to write 'http' before the address of the page.

What is the Full Form of URL ?

URL - Uniform Resource Locator

The Uniform Resource Locator was created in 1994 by Tim Berners-Lee to access data from the World Wide Web. A URL is a type of Uniform Resource Identifier (URI), which is the generic term for all types of names and addresses that refer to objects on the World Wide Web.

What is the full form of HTML ?

HTML – Hyper Text Markup Language

HTML, written in the form of HTML elements, is a markup language used for displaying information on a web browser. It was developed in 1990 by a scientist called Tim Berners-Lee. When writing HTML, you add "tags" to the text in order to create the structure.
A Sample HTML Document for displaying Hello World can be written as :-

<!DOCTYPE declaration >
<html>
<body>
<p>Hello world</p>
</body>
</html>

What is the full form of DNS ?

DNS – Domain Name System

The Domain Name System is used to translate Internet domain and host names to IP addresses. It uses a distributed database to store the combination of name and address information. DNS converts the domain names we type in our Web browser address bar to the IP addresses with the help of a name server.

Need of a Domain Name System

IP addresses can be difficult for people to remember. It's much easier to remember the domain name www.fullformof.in than to remember its corresponding IP address 207.1xx.1xx.48. So, a DNS server, will hold a list of all the IP addresses along with its corresponding domain names, which can be retrieved when required.

What is the Full Form of IP ?

IP - Internet Protocol

Internet Protocol Address is used to identify each host in the Internet. The protocol is the part of the TCP/IP Protocol suite and resides in the Internet layer. It is an unreliable, connectionless protocol that is always used with transmission control protocol (TCP), which is a connection-oriented protocol.
The Services Provides by the IP Protocol include:

Addressing - IP Addresses are unique addresses which gets assigned to each system connected to the Internet. These addresses are used to identify each system on the internet.
Routing - It is the responsibility of the network layer to handle the task of transferring the packets from source to destination, it is known as Routing.
Fragmentation - IP fragments the datagram into certain pieces, according to the size which can be handled by the network.

There are 5 different classes of IP Addresses (IPv4) - Class A, B, C, D and E. Each class has different range of valid IP addresses:

Class A     1.0.0.1 to 126.255.255.254
Class B     128.1.0.1 to 191.255.255.254
Class C     192.0.1.1 to 223.255.254.254
Class D     224.0.0.0 to 239.255.255.255
Class E     240.0.0.0 to 254.255.255.254

What is the Full Form of MODEM ?

MODEM - Modulator-demodulator

The Modem is an electronic device that makes possible the transmission of data to or from a computer by means of a communication line. The device got its name from the main function that it performs, Modulation and Demodulation. It is simply a converter which converts signals from analog to digital and from digital to analog.

How does MODEM works
The data is stored in digital format inside a computer system, whereas information transmitted over telephone lines is transmitted in the form of analog waves. To let the digital information being transmitted over the analog channel, the data is converted into analog form with the help of modem. At the receiving side, another modem converts this analog data back to the digital form.

What is the Full Form of ADSL ?

ADSL - Asymmetric Digital Subscriber Line

Asymmetric digital subscriber line is a type of DSL technology, that enables faster transmission of data over the existing copper line, traditionally used for voice communication. It provides high data rate by utilizing the unused frequency band of voice channels.

The splitter, or DSL filter used at both the ends allows single telephone connection to be used for both ADSL service and voice communication. In ADSL technology, the downstream data rate is much higher than the upstream, that's why the name asymmetric. This very reason makes this technology suitable for home users.

he theoretical data rate of ADSL is 13.4 Mbps for downstream data transfer and 1.544 Mbps for upstream. But, the actual data rate is very low, as the majority of channels are not considered due to the effect of noise in them.

What is the full form of PHP ?

PHP – Hypertext Preprocessor (earlier, it was Personal Home Page )

PHP is an HTML-embedded scripting language used to write dynamically generated pages quickly. It is open source software, created in 1995 by Rasmus Lerdorf and its scripts are executed on the server.

PHP files can contain text, HTML tags and scripts with a file extension of ".php". It can be used to create login pages, design a form, create forums, surveys, dynamic and static websites and many more.

A Sample PHP Script to print "Hello World" :-

<?php
echo 'Hello World!';
?>

What is the Full Form of PING ?

PING - Packet InterNet Groper

Packet Internet Groper is a computer program that is used to test the network connectivity between two systems. These systems can be a normal Personal computer, a Large Server, Router, switch or a gateway. It was created to verify whether a specific computer on a network exists on not.

How does PING works
A series of packets are sent form one system to another over a network to test its connectivity, in order to generate a response from the other system. The other system reply with an acknowledgment. This will tell the sender that theses two systems are connected with each other, through an existing network

A single PING can measure the connectivity based on multiple parameters including minimum, maximum, and the mean round-trip time.

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