Advance: Information Communication and Technology

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Information Communication And Technology
(ICT)
The Latest Development in Network and Communications

1.0 INTRODUCTION
Computer Network
A computer network is a system of interconnected computers and peripheral. Communications
Communications is about the transfer of information from a sender, across a distance, to a receiver. 2.0 MOBILE COMPUTING
Mobile Computing is a generic term used to refer to a variety of devices that allow people to access data and information from where ever they are.

2.2 Specification, services, and frequencies of Mobile Computing

Specification(Samsung S3)| Display * HD sAMOLED * 16M * 4.8’’ 720 x 1280Connectors * USB 2.0 * 3.5pi 4pole,stereo * MicroSD (upto 64GB) * MicroSIM * Micro USB availableAudio and Video * Full HD (1080p) Video Recording & playback * Recording up to 30 fps * MP3OS * Android 4.0Battery * Up to 1300 minutes(2G)/up to * 650 minutes (3G) * Up to 900 hours (2G)/up to 750 hours (3G)| Services | * Game Hub * Dependent on region * ChatON available * Samsung Apps available(iTranslate)| Frequencies| Chipset * Quad Core Application Processor * 1.4GHz CPU Speed * ARM Cortex-A9(1.2GHz)WLAN * Wi-Fi frequency band(5GHz and 2.4GHz)|

3.0INTERNET TECHNOLOGY and SERVICES

Voice over Internet Protocol (VOIP)
Voice over IP is a technology that allows telephone calls to be made over computer networks like the Internet. VoIP converts analog voice signals into digital data packets and support real-time, two-way transmission of conversations using Internet Protocol(IP).

BLOG
BLOG is a Web sites that contains an online personal journal with reflections, comments, and often hyperlinks provided by the writer. 4.0 TYPES of NETWORK
4.1 PERSONAL AREA NETWORK (PAN)
PAN refers to transmitting data wireless over a short distance. Bluetooth and Wi-Fi Direct are examples of PAN. PAN generally cover a range of less than 10 meters (about 30 feet). 4.2 VIRTUAL...
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