Cell Phone:
In modern global world, mobile phone has been a part and parcel of our life. It is a great invention of modern science. It is called so because a user can carry it wherever he goes out. It has brought about multidimensional changes in our daily life. Nowadays it is regarded not only as a communicative device but also as an inseparable part of modern life. Using mobile phone, one can take a snap of anything, record voices and videos, compose songs and ring-tones, edit wallpapers and what not. Moreover, GPRS or WAP enabled mobile sets have created multifarious possibilities providing us with the opportunities of internet chatting, gaming, exchanging MMS, mailing, browsing etc. Besides, Bluetooth and Wi-Fi technologies of mobile phone can create PAN (Personal Area Network) in which the intended mobile users can easily and instantly exchange all sorts of data and information from one mobile device to another. It has made the interpersonal communication very easy and fast. One can communicate with the expected person within a few seconds through a mobile phone. Business communication has become easier because of the use of this device. Actually most of the businesses are depended on this speedy mode of communication. It is also helpful for the students. They can get suggestion of their studies from their friends and teachers. So, the number of consumers of mobile phone is increasing day by day. It makes the world smaller and brings all closer. But, it is unfortunate that it has some negative aspects too. Criminals also use it for their activities. It causes some health hazard. Scientists believe that it causes brain tumours by its invisible and uncontrolled radiation. Particularly the pregnant women and children should not use it at all. Despite all these, mobile phone is a blessing for us.
Satellite TV Channels:
Satellite TV is one of the greatest achievements of modern science. Now it is regarded as the medium of information, entertainment, telecast, education and many others. It can telecast any live programme from the remotest part of the world. Satellite TV can display many programmes at a time. With the help of satellite, world has turned into a global village. Now we can watch Australian, British or American TV programmes sitting before our own TV set. Satellite TV has added a new dimension in our oriented life providing many programmes through different channels. It‘s not only a good medium of recreation but also a source educational knowledge. Different channels telecast various educative dramas, movies, sports, cultural functions, news and articles. So we can easily collect educative information of agriculture, science and technology, politics, education, business, invention etc. Satellite TV helps us widespread the sight and outlook of the society. Coming to contact with the western societies, we are getting the opportunities to enrich our society and ourselves. But on the other hand, many people especially young generations are getting hampered and we all are now forgetting our own customs, traditions, music and culture. Very often obscene pictures and vulgar movies and programmes are shown in various satellite channels. Young generations are becoming more and more addicted to them. Moreover, most of us want to follow the dress-pattern, hairstyle, behaviour, music and nudity of the westerns. This mentality is leading our young generations to moral degradation. So, we all should be conscious of that.
Internet:
In the modern global world Internet is the easiest and cheapest way of communication. It is a new device for speedy transmission of notion, information, news, feelings etc. in the process of computer networks. De facto, Internet is the network of all Intranets and networks in the world. To have an Internet connection we need a speedy computer, modem, telephone line and the help of an ISP (Internet Service Provider). The ISP maintains all accounts of Internet users. When a user sends messages from his computer, the modem processes them and sends them to the ISP and finally the server of the ISP sends them to the destination. Nowadays this type of Internet connection is going to be obsolete because the new broadband Internet connection is providing the users with the advantages of Internet access without telephone wires. It is done with the help of an antenna and some other required devices. Moreover, the broadband Internet connection can provide the users with all types of modern communication facilities at the cheapest rate. Our T & T Board has already introduced VSAT in our country by which the users can have a connection without telephone line through wires. As a result, cellular telephone or mobile phone is being used in our country. Now cellular phone provides the advantages of Internet connection. However, through Internet we can access any information-zone of the world having only a click on the computer's mouse. We can exchange our views and ideas with others and simultaneously can have an Internet chat with the help of IRC (Internet Relay Chat) and with many other popular programmes. In modern transaction Internet is providing us with the facilities of Ready-Cash, MasterCard, Visa-Card and what not. Now text as well as image is possible to be sent simultaneously through Internet. Besides these, through Internet the users can get advantages of voicemail, email, telephone, web-phone, fax, telex, and videoconference. But for videoconference the users need a web-camera or a digital video camera. Through Internet videoconference one can enjoy the other's movie-live pictures with audio-visual options. Through Internet one can search / browse other's homepage and can download any information not only from the web-site but also from any corner of stored information. Except these, Internet plays a vital role in entertainment and education. Web- TV and 3-D online games cannot be ignored. Britannica, Encarta Encyclopaedia, online educational help have opened a new dimension of education. But sometimes the youngsters enjoy obscene pictures and movies that may hamper their moral characters. After all, we can opine that Internet communication is now regarded as a milestone in the modern communicative world.
Cyber Cafe:
Cyber Cafe is the center where the Internet users can have an easy access to get all types of information. In a cyber cafe there are arranged many computers with Internet connection. Here one can use Internet paying the required amount of money. Different types of people come to a cyber cafe in quest of different types of information. The modern cyber cafe is established providing the users with all sorts of facilities including fast food facilities. Most of the students go to a cyber cafe to get help from various educational corners. At times they collect information of different universities of the world for higher education and sometimes for better job. Those days are not so far when the students can take their class lecture from anywhere of the worlds. It is also sure that some users go to a cyber cafe for gossiping with their friends through Internet. Again, one can have a telephone call with the help of net2phone and with other popular programmes and devices. Some users go there with a view to checking their emails. Some are compelled to go to a cyber cafe because their telephone lines at home remain busy with normal phoning. Going to a cyber cafe the users can get the advantages of voicemail, email, telephone, web-phone, fax, telex and even videoconference. But for video conference the cyber cafe requires a web camera or a digital video camera that gives the facility of enjoying movie-live pictures each other of the users. Nowadays a physician can treat a patient staying in other country through Internet. Moreover, the modern professional doctors are getting opportunities to make themselves up-to-date and becoming familiar with the new and latest systems of treatments. Besides these, all types of learners are to go to a cyber cafe not only for solving their perspective problems but also for having an acquisition of wisdom from the online Encarta Encyclopaedia, Britannica and many others. Browsing homepage and purchase-corner, the users can learn the price, quality etc of different products of different companies; and they can order them sending MasterCard, Visa-Card, Ready-Cash etc. through Internet. One can download freeware software, virus protection tools and many other essentials from the web-site of Internet. Web-TV, 3-D games, virtual reality, IRC (Internet Relay Chat) and so on cannot but excite our mind with entertainment. But the youngsters sometimes enjoy the taboo and obscene pictures and movies that may harm their moral characters. Moreover, they may spend time and money more than necessary. After all, we can say that cyber cafe is getting more and more popular day by day for its great importance.