How Do Cell Phones Work?

The video tutorial explains the evolution and functionalities of mobile phones, highlighting their role as small computers with built-in phones. It details how mobile phones work by transmitting signals via cell towers using radio waves, allowing for simultaneous listening and talking. The tutorial also covers additional features like SMS and data transmission, which operate on similar principles but involve data encoding and decoding.

What is the primary function of a mobile phone?

• To take photos

• To browse the internet

• To make and receive calls

• To play games

How do mobile phones transmit and receive calls?

• Through infrared signals

• Via radio waves

• Using fiber optic cables

• Through satellite signals

What role do cell towers play in mobile communication?

• They store contact information

• They convert sound into text

• They charge mobile phones

• They transmit radio waves

What is SMS commonly known as?

• Secure Messaging System

• Simple Mail Service

• Standard Mail Service

• Short Messaging Service

How is data transmitted for internet use on mobile phones?

• Through direct satellite links

• Via radio waves and cell towers

• Through wired connections

• Using Bluetooth technology