1. Video Conferencing
Video Conferenccing combines the computer communication capabilities with video technologies to conduct an online meeting between two or more distant participants. The participants of a Video Conferencing are normally at different geographical locations within a building like a university campus or within a city at different branch offices of an organizaion in a city.
Uses of Video Conferencing
- Online Meetings
- Online Job Interviews
- Technical Support
- Distance Learning
Requirements for Video Conferencing
- A P-IV computer
- Video Cameras
- Communication Devices
- Communication Software
- High Speed Broad Band Internet
2. Voice Mail
Voice Mail works as an answering machine.
E-Mail stands for Electronic Mail. E-Mail is used to transfer text messages optionally along with files or documents. Every user has a unique E-Mail Address.
4. Instant Messaging
Instant Messaging or IM uses some communication software and User IDs to allow users to communicate and exchange their messages while they are online at the same time and using the same communication software at the same time.
Popular communication software include MSN Messenger, Yahoo Messenger, AOL Messenger etc.
FAX Machine is used to send and recieve important copies of written text or images on paper. A FAX Modm can also be used to send and recieve Fax through Internet. A FAX may be a hand written text or a printed paper.
6. Internet Telephony
Internet Telephony is a facility to talk with people at distant locations with the help of internet and Communication Devices and Software. Internet Telephony is more economical and chepaer way to talk to your friends and relative residing in other countries.
You must have a good computer with microphone, speakers, communication devices and internet. In fact, Internet Telephony uses a communication Technology called Voice Over Internet Protocol or Voice over IP or VoIP.
7. Chat Rooms
Chat Rooms are used to chat with known or anonymous people in real time while they are online. A Chat Server and chat software is used to provide the facility of text chat, voice chat or even video chat to people.
8. Global Positioning System ( GPS )
GPS or Global Positioning System consists of 24 setellites and one or more earth based recievers that receive and analyse signals sent by setellites to find the exact location of the reciever. A GPS reciever may be a hand held device. A GPS receiver device may be mounted on a car, airoplane, boat, mobile phone or such objects.
Uses of GPS
- A Global Positioning System is used to locate a person or object.
- A GPS system is used to find the shortest and best path between two points ( even on a map )
- A GPS system may also be used for Intelligence purpose by agencies to monitor the movement of an object or a person.
- A GPS system is also being used to find out the location of stolen objects like vehicles, computers, and mobile phones etc.