Topics: Internet, Computer network, Wi-Fi Pages: 2 (633 words) Published: January 29, 2013
2. Content1.0 INTRODUCTION2.0 MOBILE COMPUTING 2.1 DEFINATION 2.2 SPECIFICATION, SERVICES & FREQUENCIES OF MOBILE COMPUTING3.0 INTERNET TECHNOLOGY & SERVICES 3.1 VoIP 3.2 BLOG4.0 TYPE OF NETWORK 4.1 PAN 4.2 VPN 4.3 WLAN5.0 CONCLUSION6.0 REFERENCE 3. 1.0 IntroductionThe latest development in networks and communication means the improvement in networks andcommunication services and products which really useful for IT user. It is also much better from theprevious contains.2.0 Mobile Computing.2.1 Definition.Using a computing device while in transit. Mobile computing implies wireless transmission,butwireless transmission does not necessarily imply mobile computing. Fixed wireless applications use 4. satellites, radio systems and lasers to transmit between permanent objects such as buildings andtowers.2.2 Specification, services & frequencies of Mobile Computing.Mobile Computing PDA, HD PSPSPECIFICATION 1.Low bandwith. 2.High bandwith variability. •Low power machines 3.Hidden terminal. •enable anywhere 4.Low power machines. 5.Low resources machines •low resources machines. 6.need proximity 7.higher delay 8.disconnected operation 5. 9.enable anywhere/anytime connentivity. 10.Enable new application.SERVICES 1.Emergency services •games (messaging & calling) 2.stock information.Collection /control. 3.Credit card verification. 4.Taxi/truck dispatch. 5.Electronic mail/pagingFREQUENCIES •EGSM 900/1800/1900 •none •UMTS 21003.0 Internet Technology And services3.1 Voice Over Internet Protocol ( VoIP)Voice over Internet Protocol (VoIP) is a general term for a family of transmission technologies fordelivery of voice communications over IP networks such as the Internet or other packet-switchednetworks. Other terms frequently encountered and synonymous with VoIP are IP telephony, Internettelephony, voice over broadband (VoBB), broadband telephony, and broadband phone.3.2 BlogA blog (a contraction of the term weblog) is a type of website, usually maintained by an individualwith...
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