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Theory:

Data Cable:

Data cable transmits data, and it is used to connect external devices such as a tablet, mobile phones to the CPU for data transfer.

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Audio jack:

The audio jack is used to connect the speaker to the computer.

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Power cord:
The power cord is an electrical cable used to temporarily connect the devices to the mains electricity supply through a wall socket or extension cord.

It is the primary cable that provides power to the computer, printer, monitor, and components within a computer.

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Mic cable:
It is also used to connect the Mic to the CPU. It is used to transmit the balanced microphone and line-level signals (the voltage level that comes out of a microphone when someone speaks into it) over long distances.

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Ethernet:
Ethernet cables are used to establish internet connectivity through wired connections. The image below shows a standard ethernet cable. It comes in various colors and lengths, with rectangular connectors at both ends.

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Wireless Communication:

The information is transferred from one place (Source) to another (receiver) over a distance is called communication.
Wireless Communication is a method of transmitting information from one point to another without using any physical medium such as wires or cables.

Examples:

  • Bluetooth
  • Wi-Fi
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Bluetooth:
Bluetooth is a wireless technology that is used to exchange data between different devices. Using Bluetooth, we can share the data with nearby devices. It can be used to share the data within a short distance as it uses wavelength to transmit information.
 
Example:
  • Mouse, Keyboard can be connected to the computer using Bluetooth.
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(a) Wireless Keyboard and Mouse
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(b) Wired Keyboard and Mouse
 
Wi-Fi:
Wi-Fi is a short name for Wireless Fidelity. The name itself indicates that it is a wireless networking technology that allows computers and other devices to communicate over a wireless signal. Any data from anywhere can be shared using Wi-Fi.
 
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Reference:
https://pxhere.com/en/photo/670244
https://pxhere.com/en/photo/869615
https://pxhere.com/en/photo/817049
https://pixnio.com/objects/electronics-devices/computer-components-pictures/power-cord-computer-component-wire
https://pixabay.com/fr/photos/microphone-c%c3%a2ble-m%c3%a9langeur-4272184/
https://commons.wikimedia.org/wiki/File:Xlr-connectors.jpg
https://commons.wikimedia.org/wiki/File:Category_5e_ethernet_cable.jpg
https://pixabay.com/fr/photos/ethernet-c%c3%a2ble-fiche-r%c3%a9seau-1157280/
https://pxhere.com/en/photo/1585295
https://commons.wikimedia.org/wiki/File:Bluetooth-key-mouse_hg.jpg
https://commons.wikimedia.org/wiki/File:Apple_wired_thin_keyboard-2007-08-11.jpg