MAC Protocols
Posted inMobile Computing

MAC Protocols

The Medium Access Control (MAC) protocol is used to provide the data link layer of the Ethernet LAN system. The MAC protocol encapsulates a SDU (payload data) by adding a…
Spread Spectrum
Posted inMobile Computing

Spread Spectrum

Spread Spectrum : Introduction When transmitted signals of certain frequencies are varied slightly in order to obtain greater bandwidth as compared to initial bandwidth is known as Spread Spectrum. Spread…
Multiplexing in Mobile Computing
Posted inMobile Computing

Multiplexing in Mobile Computing

Multiplexing : Introduction Multiplexing is a technique in which, multiple simultaneous analog or digital signals are transmitted across a single data link. The concept behind it is very simple: Proper Resource…
Communication Technologies
Posted inMobile Computing

Communication Technologies

Since the introduction of first commercial mobile phone in 1983 by Motorola, mobile technology has come a long way. Be it technology, protocols, services offered or speed, the changes in…
What is SOAP?
Posted inInternet Programming

What is SOAP?

SOAP is an acronym for Simple Object Access Protocol. It is an XML-based messaging protocol for exchanging information among computers. SOAP is an application of the XML specification. Points to…
WSDL
Posted inInternet Programming

WSDL

WSDL stands for Web Services Description Language. It is the standard format for describing a web service. WSDL was developed jointly by Microsoft and IBM. Features of WSDL ·        WSDL is…
Web Services – Characteristics
Posted inInternet Programming

Web Services – Characteristics

Web services have the following special behavioral characteristics − XML-Based Web services use XML at data representation and data transportation layers. Using XML eliminates any networking, operating system, or platform…
What are Web Services?
Posted inInternet Programming

What are Web Services?

Different books and different organizations provide different definitions to Web Services. Some of them are listed here. ·        A web service is any piece of software that makes itself available over…
AJAX – XMLHttpRequest
Posted inInternet Programming

AJAX – XMLHttpRequest

The XMLHttpRequest object is the key to AJAX. It has been available ever since Internet Explorer 5.5 was released in July 2000, but was not fully discovered until AJAX and…
What is AJAX?
Posted inInternet Programming

What is AJAX?

AJAX stands for Asynchronous JavaScript and XML. AJAX is a new technique for creating better, faster, and more interactive web applications with the help of XML, HTML, CSS, and Java Script. ·        Ajax uses…