Introduction

INTRODUCTION
In today's world of high technology, mobile computing has become the most omnipresent medium for so many different applications. From the simple downloading of the mp3s of the youth to downloading business application/software of the professionals, or from simply carrying out transactions to videoconferencing by the career people to simply having fun with a number of social networking sites, it is simply a part of the lives of the majority using any internet-connected computers or mobile handsets.

Tuesday, 17 June 2014

History

Mobile telephony took off with the introduction of cellular technology, which allowed the efficient utilization of frequencies enabling the connection of a large number of users. During the 1980's analogue technology was used. Among the most well known systems were the NMT900 and 450 (Nordic Mobile Telephone) and the AMPS (Advanced Mobile Phone Service). In the 1990's the digital cellular technology was introduced with GSM (Global System Mobile) being the most widely accepted system around the world. Other such systems are the DCS1800 (Digital Communication System) and the PCS1900 (Personal Communication System).



Many types of mobile computers have been introduced since the 1990s including:
·       Personal digital assistant/enterprise digital assistant
·       Smartphone
·       Tablet computer
·       Ultra-Mobile PC
·       Wearable computer
Posted by at

No comments:

Post a Comment

Subscribe to: Post Comments (Atom)