"Dtmf remote appliance control system using mobile phone" Essays and Research Papers

Sort By:
Satisfactory Essays
Good Essays
Better Essays
Powerful Essays
Best Essays
Page 4 of 50 - About 500 Essays
  • Good Essays

    Mobile Phones

    • 2664 Words
    • 11 Pages

    Mobile Devices Technology Report The history of business has been defined by advances in technology that have fundamentally changed the business playing field. The invention of the railroad‚ the motor vehicle‚ the airplane‚ and the internet revolutionized the business industry‚ changed the dynamics of how businesses compete‚ and brought economic prosperity for those who leveraged‚ adapted‚ and utilized the new technology. Smart Phones‚ Tablets‚ & other mobile devices are rapidly

    Premium Smartphone Personal digital assistant Mobile phone

    • 2664 Words
    • 11 Pages
    Good Essays
  • Good Essays

    Mobile Phone

    • 461 Words
    • 2 Pages

    What Is a Mobile Phone? A mobile phone is more frequently called a cellular phone or cellphone. These communication devices connect to a wireless communications network through radio waves or satellite transmissions. Most mobile phones provide voice communications‚ Short Message Service (SMS)‚ Multimedia Message Service (MMS)‚ and newer phones may also provide Internet services such as Web browsing‚ instant messaging capabilities and e-mail. What Is a Smartphone? A smartphone is considered to

    Free Mobile phone Personal digital assistant Smartphone

    • 461 Words
    • 2 Pages
    Good Essays
  • Satisfactory Essays

    Mobile Phones

    • 480 Words
    • 2 Pages

    Must we use mobile phones all the time? In this century‚ there are lots of people using mobile phones‚ from the young to the old‚ from the have to the have-not. Mobile phones can have positive effects if we use it well. But there are many people who misuse them‚ especially students. Most of them can never separate from their mobile phones. In fact‚ using mobile phones all the time can make us procrastinate doing things like eating and praying‚ forget to study‚ and even suffer from cancer. The

    Premium Cancer Mobile phone Breast cancer

    • 480 Words
    • 2 Pages
    Satisfactory Essays
  • Better Essays

    Mobile Phones

    • 1517 Words
    • 7 Pages

    Health Issues Do cell phones pose a health hazard? Many people are concerned that cell phone radiation will cause cancer or other serious health hazards. The weight of scientific evidence has not linked cell phones with any health problems. Cell phones emit low levels of radiofrequency energy (RF). Over the past 15 years‚ scientists have conducted hundreds of studies looking at the biological effects of the radiofrequency energy emitted by cell phones. While some researchers have reported biological

    Premium Mobile phone Radio

    • 1517 Words
    • 7 Pages
    Better Essays
  • Satisfactory Essays

    Mobile Phone

    • 334 Words
    • 2 Pages

    phone is a good technology which is not lacking from our lives. This report will discuss the advantages and disadvantages of using mobile phones. Today‚ mobile phone has become popular to everybody since it is very convenient. The most advantage of having a mobile phone is you can communicate to your family and your friends no matter what where you are. For instance‚ you can contact easily to your friends by calling or sending messages everywhere without electricity. It is maybe the main reason

    Free Mobile phone

    • 334 Words
    • 2 Pages
    Satisfactory Essays
  • Good Essays

    THE MOBILE PHONES

    • 1430 Words
    • 5 Pages

    mobile phone (also known as a cellular phone‚ cell phone‚ and a hand phone) is a phone that can make and receive telephone calls over a radio link while moving around a wide geographic area. It does so by connecting to a cellular network provided by a mobile phone operator‚ allowing access to the public telephone network. By contrast‚ a cordless telephone is used only within the short range of a single‚ private base station. In addition to telephony‚ modern mobile phones also support a wide variety

    Premium Mobile phone

    • 1430 Words
    • 5 Pages
    Good Essays
  • Satisfactory Essays

    Mobile Phones

    • 1359 Words
    • 6 Pages

    mobile operating system‚ also referred to as mobile OS‚ is the operating system that operates a smartphone‚ tablet‚ PDA‚ or other digital mobile devices. Modern mobile operating systems combine the features of a personal computer operating system with touchscreen‚ cellular‚ Bluetooth‚ WiFi‚ GPS mobile navigation‚ camera‚ video camera‚speech recognition‚ voice recorder‚ music player‚ Near field communication‚ personal digital assistant (PDA)‚ and other features. History Main article: Smartphone

    Premium Smartphone Mobile operating system

    • 1359 Words
    • 6 Pages
    Satisfactory Essays
  • Good Essays

    Mobile Phones

    • 514 Words
    • 3 Pages

    Introductin Mobile phones are one of the most common information access devices with almost 31% of the global population having access. This exploratory study investigated usage patterns of‚ and attitude about‚ cell phones among university students in a mature market (United States) and a rapidly growing new market (India) by surveying students in each country. Key findings from the study include similarities in the usage of phones to communicate with others and in the perception of mobile phone usage

    Free Mobile phone

    • 514 Words
    • 3 Pages
    Good Essays
  • Satisfactory Essays

    Mobile Phones

    • 466 Words
    • 2 Pages

    I do agree that students should be allowed to bring their mobile phones to school. * In a day and age where everyone relies heavily upon modern technology for communication‚ cell phones are a good thing to have‚ especially for high school students. * Many students have after-school activities‚ such as a sport or a club that they participate in after school hours‚ when most people‚ including the office staff‚ have already gone home for the day. The students need a way to contact their parents

    Premium Mobile phone Rotary dial Cellular network

    • 466 Words
    • 2 Pages
    Satisfactory Essays
  • Powerful Essays

    Mobile Phone

    • 1689 Words
    • 7 Pages

    INTRODUCTION A mobile phone also known as a cellular phone‚ cell phone and a hand phone is a device that can make and receive telephone calls over a radio link whilst moving around a wide geographic area. It does so by connecting to a cellular network provided by a mobile phone operator‚ allowing access to the public telephone network. By contrast‚ a cordless telephone is used only within the short range of a single‚ private base station. In addition to telephony‚ modern mobile phones also support

    Free Mobile phone

    • 1689 Words
    • 7 Pages
    Powerful Essays
Page 1 2 3 4 5 6 7 8 9 50