Letter of transmittal
Instructor of the course: Basics in Social Science.
American international university –Bangladesh
we write this letter to inform you that we have prepared a research report on “Impact of Mobile Phone”, that you assigned us a partial requirement of the course, Basics in Social Science. The research report consists of the overview of the impact of mobile phone in our daily life. We are thankful to you for allowing us the opportunity to do the research report of this topic.
We tried to gather a collection of information to make our plan specific and coherent.
We tried our best to make the plan as reflective as possible. Assertively the report will meet the expectation. We appropriate to provide any information if necessary.
Name ID No. Signature
Bin-Majid, Md. Alif 10-17418-3
Table of content:
1. Topic………………………………….. 03
2. Introduction Of The Report…………... 04
3. Research Methodology……………….. 10
4. Conclusion……………………………. 33
5. Bibliography………………………….. 34
6. Survey questionnaire…………………. 35
2. Introduction Of The Report
2.1 Basic Information:
A mobile phone (also called mobile, cellular telephone, cell phone, or hand phone) is an electronic device used to make mobile telephone calls across a wide geographic area. Mobile phones are different from cordless telephones, which only offer telephone service within a limited range of a fixed land line, for example within a home or an office. A mobile phone can make and receive telephone calls to and from the public telephone network which includes other mobiles and fixed-line phones across the world. It does this by connecting to a cellular network owned by a mobile network operator. In addition to functioning as a telephone, a modern mobile phone typically supports additional services such as SMS (or text) messaging, MMS, e-mail and Internet access; short-range wireless (infrared or Bluetooth) communications; as well as business and gaming applications, and photography. Mobile phones that offer advanced computing abilities are referred to as smart phones.
2.2 Background (History):
The history of mobile phones begins with early efforts to develop mobile telephony concepts using two-way radios and continues through emergence of modern mobile phones and associated services. Radiophones have a long and varied history going back to Reginald Fessenden's invention and shore-to-ship demonstration of radio telephony, through the Second World War with military use of radio telephony links and civil services in the 1950s, while hand-held mobile radio devices have been available since 1973. Mobile phone history is often divided into generations (first, second, third and so on) to mark significant step changes in capabilities as the technology improved over the years. Dr Martin Cooper, a former general manager for the systems division at Motorola, is considered the inventor of the first portable handset and the first person to make a call on a portable cell phone in April 1973. The first call he made was to his rival, Joel Engel, Bell Labs head of research.
AT&T's research arm, Bell Laboratories, introduced the idea of cellular communications in 1947. But Motorola and Bell Labs in the sixties and early seventies were in a race to incorporate the technology into portable devices. Cooper, now 70, wanted people to be able to carry their phones with them anywhere. While he was a project manager at Motorola in 1973, Cooper set up a base station in New York with the first working prototype of a cellular telephone, the Motorola Dyna-Tac. After some initial testing in Washington for the F.C.C., Mr....