In this model software testing starts only after the development is complete. In waterfall model phases do not overlap.
Branchless banking and Contactless payment In many countries, mobile phones are used to provide mobile banking services, which may include the ability to transfer cash payments by secure SMS text message.
Kenya's M-PESA mobile banking service, for example, allows customers of the mobile phone operator Safaricom to hold cash balances which are recorded on their SIM cards. Cash can be deposited or withdrawn from M-PESA accounts at Safaricom retail outlets located throughout the country and can be transferred electronically from person to person and used to pay bills to companies.
Branchless banking has also been successful in South Africa and the Philippines. Zidisha uses mobile banking for loan disbursements and repayments, transferring funds from lenders in the United States to borrowers in rural Africa who have mobile phones and can use the Internet.
Eventually, the idea spread and inthe Philippines launched the country's first commercial mobile payments systems with mobile operators Globe and Smart. Some mobile phones can make mobile payments via direct mobile billing schemes, or through contactless payments if the phone and the point of sale support near field communication NFC.
Cellphone surveillance and Mobile phone tracking Mobile phones are commonly used to collect location data. While the phone is turned on, the geographical location of a mobile phone can be determined easily whether it is being used or not using a technique known as multilateration to calculate the differences in time for a signal to travel from the mobile phone to each of several cell towers near the owner of the phone.
Both the SIM card and the handset can be tracked. They possess technology that enables them to activate the microphones in mobile phones remotely in order to listen to conversations which take place near the phone. A sign in the U. It is widely considered dangerous due to distracted driving.
Being distracted while operating a motor vehicle has been shown to increase the risk of accidents. In Marcha U. In Egypt, Israel, Japan, Portugal, and Singapore, both handheld and hands-free use of a mobile phone which uses a speakerphone is banned. In other countries, including the UK and France and in many U.
A simulation study at the University of Utah found a sixfold increase in distraction-related accidents when texting. This has introduced additional difficulties for law enforcement officials when attempting to distinguish one usage from another in drivers using their devices.
This is more apparent in countries which ban both handheld and hands-free usage, rather than those which ban handheld use only, as officials cannot easily tell which function of the mobile phone is being used simply by looking at the driver.
This can lead to drivers being stopped for using their device illegally for a phone call when, in fact, they were using the device legally, for example, when using the phone's incorporated controls for car stereo, GPS or satnav. A study reviewed the incidence of mobile phone use while cycling and its effects on behaviour and safety.
New Zealand has banned hand-held cell phone use since 1 November Many states in the United States have banned texting on cell phones while driving. Illinois became the 17th American state to enforce this law.
This database of laws provides a comprehensive view of the provisions of laws that restrict the use of mobile communication devices while driving for all 50 states and the District of Columbia between when first law was passed, through 1 December The dataset contains information on 22 dichotomous, continuous or categorical variables including, for example, activities regulated e.
Nomophobia and Mobile phone overuse The effect of mobile phone radiation on human health is the subject of recent[ when?
Mobile phones use electromagnetic radiation in the microwave range, which some believe may be harmful to human health. A large body of research exists, both epidemiological and experimental, in non-human animals and in humans.
The majority of this research shows no definite causative relationship between exposure to mobile phones and harmful biological effects in humans.Five Advantages of Social Networking. There are many reasons why someone may choose to take advantage of social networks online.
This article is the complete set of all the advantages and disadvantages of mobile phones essay for students in points. Read all benefits of cell phones. Modern technology is simply an advancement of old technology.
The impact of technology in modern life is unmeasurable, we use technology in different ways and sometimes the way we implement various technologies do more damage than good.
What we call modern technology is technically not so new in most cases. For example, mobile phone technology [ ]. » Articles published in the past year To view other articles click corresponding year from the navigation links on the side bar.
Mobile devices as teaching tools are becoming a more and more common part of the American education experience in classrooms, from preschool through graduate school. It is true that mobile phones can help students in essay on mobile phone advantages 37 responses to “Positive and negative impact of cell phones.