How do you invent a mobile phone?

How do you invent a mobile phone?

On Ap, Martin Cooper, a Motorola researcher and executive, made the first mobile telephone call from handheld subscriber equipment, placing a call to Dr. Joel S. Engel of Bell Labs, his rival. The prototype handheld phone used by Dr.

How do you describe a mobile phone?

A mobile phone (also known as a hand phone, cell phone, or cellular telephone) is a small portable radio telephone.

How do we communicate with cell phones?

Cell phones use radio waves to communicate. Radio waves transport digitized voice or data in the form of oscillating electric and magnetic fields, called the electromagnetic field (EMF). The rate of oscillation is called frequency. Radio waves carry the information and travel in air at the speed of light.

What is the conclusion of mobile phone?

Cell phones have brought on a whole new age of technology and they do make life more convenient in terms of communication. However, the side effects of cell phones and the distractions that they are cause many dangerous and unhealthy situations to occur.

Why do we use mobile?

Mobile phones are used for a variety of purposes, such as keeping in touch with family members, for conducting business, and in order to have access to a telephone in the event of an emergency. Some people carry more than one mobile phone for different purposes, such as for business and personal use.

Are Mobile Phones Good or bad?

There, 49% say mobile phones have been mostly good for them personally, while 47% say they have been mostly bad. But in most countries, people report less enthusiasm about the societal impact of mobile devices than about their personal impact.

Do we really need smartphones?

But let me guess, you personally haven’t given up your smartphone. They prove you don’t need a smartphone to be successful. In fact, according to one computer science professor, you probably don’t need a smartphone at all these days.

What are disadvantages of smartphones?

9 Disadvantages of Smartphones in HealthcareNot everyone has a smartphone. Smartphones don’t age well. Smartphones are expensive. Apps often require Internet access. Apps aren’t always available for all smartphones. A lot of healthcare apps aren’t good. Patients have reservations with mHealth. Data privacy and security is a significant concern.

How do smartphones affect us?

The use of smartphones effectively kills your mood and pace, especially if you’re in a group setting. It steals away your attention from the people around you as well as your surroundings. It diminishes your cognitive ability in connecting and socializing with other people.