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Communication is the imparting or exchanging of information by speaking, writing, or using some other medium. The communications revolution is based on three technologies
The history and development of communication technology is one of the ever increasing speed and efficiency of communication over ever greater distance and ever decreasing costs. Telephone: Telephone / Mobile Phone is a system for transmitting voices over a distance using wire or radio, by converting acoustic vibrations to electrical signals. Today we can send a message from one side globe to another in seconds with touch of button via Mobile Phone.
Mobile phone become a video-phone, computer, camera, TV, Radio, message minder, MP3 Music player, newspaper map etc.
Television: Television is a system for converting visual images (with sound) into electrical signals, transmitting them by radio or other means, and displaying them electronically on a screen. Computer: Computer is an electronic device which is capable of receiving information (data) in a particular form and of performing a sequence of operations in accordance with a predetermined but variable set of procedural instructions (program) to produce a result in the form of information or signals.
Telephone: Receiving and Answering Call, We use telephone in our Home, Office. Mobile Phone: Mobile phone is a telephone with access to a cellular radio system so it can be used over a wide area, without a physical connection to a network. We use mobile phone for Make a Call, Receive a Call, Text Messaging, Smart Phone: Smart Phone is a mobile phone that is able to perform many of the functions of a computer, typically having a relatively large screen and an operating system capable of running general-purpose applications.
We use Smart Phone for making a Video Call, MMS, Use Internet, sending and receiving Email, use camera for recording. etc. Fax: Fax is an exact copy of a document made by electronic scanning and transmitted as data by telecommunications links.
Advantage of Telephone:
Usages: Usages of Television –
We use Television as a
Television increasing speed and efficiency, ever greater distance and ever decreasing cost for use as Tele Tex, Mass Media and easy communication media between consumer & Customer, Government & Public. Because of Television we get up to date news from different part of the world.
A computer is a “Machine that performs tasks, such as mathematical calculations or electronic communication, under the control of a set of instructions called program.” (Microsoft Encarta 1998) We use computers in many ways that we may not even realise. In business, computers use barcode and scanners to check customers’ credit, to check out goods at a supermarket, and check warehouse supplies. EFT (Electronic Fund Transfer) electronically moves funds in the form of wages and bills between bank accounts.
For Travel – Like booking Tickets, Checking Flight etc.
Also we use computer for shopping or online Shopping as Ecommerce, Or E-business – Like e-Bay, Amazon
Entertainment – We can watch any broadcast program connect Internet with Computer. Culture – Via internet we can published information about our culture to all over the world, we can meet with other national or cultural people. Such as social media site like – Facebook
Everything we use our daily life has advantage and disadvantage which affect our personal life, social life and normal life.
Advantage of Telephone:
Telephone Technology has increased dramatically over the last few years, making this issue a little more complicated in the post smartphone world. There are many advantages and disadvantages to using the telephone as a method of communication and some of them are more or less pronounced depending on whether you are considering a land line or a cellular phone.
The basic advantages to a telephone.
Keeping in contact perhaps on a more regular basis, if for example plans have to be changed quickly and a face to face meeting or a letter may take too long For emergency situations, obviously a cellular phone would be especially helpful in this way. It should also be remembered that a phone number is now required for many employment opportunities.
Save time & Cost.
Also cell phone is technology, having reached such a point as to now be miniaturized computers, offer access to a great deal of information, entertainment and aid for users. Such as Smart Phone became computer competitor and we use smart phone for upload video, download apps, check Email , make a video call using apps like Skype , google talk etc.
Disadvantages of Telephone:
Many people feel that phones have made life more hectic and work-orientated
precisely because of our ability, and growing infatuation, with being connected to our work, friends and businesses twenty four hours a day. However, some research has also shown that the majority of cell phone use in the work places is actually focused on entertainment and social communication. So, instead of communications technology increasing our work load, it may actually be increasing our social obligations instead. However, there are some general disadvantages to both land line and cell phone use as a method of technology.
To begin with:
Phone communication is less personal in many ways and can lead to miscommunication and misunderstanding As a method of communication it is more expensive than say, talking Phones can raise privacy concerns not just over wire taps. Crossed lines do still happen and familiarity with using a phone can lead to personal conversations taking place in otherwise public settings. Using smart phone people can record and upload video which could be personal and private moment or something like pornography. Which affect our life badly. Also other disadvantage like –
Prevent face to face conversation
Texting – detrimental to writing skill
May damage our ability to focus for any length of time
Stalking a bullying ( Like cyber bullying uploading offensive or private video picture) Health risk – like radiation
These days marketing calls are being a head ache for everyone. Anonymous threats.
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