The document discusses the evolution and functionality of USB (Universal Serial Bus) technology, which allows for easy connection of various devices like keyboards, mice, and external drives to computers. It outlines the different USB versions, highlighting the speed improvements, and details various USB connector types, including the recent USB-C standard. Overall, it emphasizes the convenience of USB for both data transfer and powering devices.

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2. TIPS
Thanks to USB we easily connect various devices to the computer or laptop. Think
of the mouse and keyboard, but also the USB stick or external hard drive. And
almost all tablets and smartphones use a USB cable and charging capability.

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Full power is USB for ‘Universal Serial Bus’.
The name includes the ports, connections,
and cables that allow the passage of data. It
was designed in 1996. We now arrive at
version 3.

4. Devices can be connected via USB to the PC
without requiring a reboot. This is called
hot swapping.
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5. Another feature of USB is that the devices
should provide power. Thus, a smartphone
recharge by connecting it to your computer.
And different brands external hard drives
are thereby connected without an adapter
to the PC.
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The following versions are: USB 1.0, USB 1.1,
USB 2.0, USB 3.0 and USB 3.1. The first two
versions are not more. Newer versions have
a higher throughput. USB 3.0 is ten times
faster than 2.0; 3.1 is two times faster than
3.0. For the mouse or the keyboard, the
speed is not so important. When a USB
stick or external hard drive or because files
can be stored quickly and/or copied.
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USB Connectors
Is a USB cable plug on each side? Behind it
is the following logic:
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8. This connector is to be connected to the PC or the
charging adapter. He has exactly the same appearance as
plugging a USB stick. USB 2.0 has a white interior, USB 3.0
/ 3.1 a blue interior.
The other plugs go in one device. Such as a printer,
scanner, external hard drive, digital camera, tablet or
smartphone.
This is a square end. Used for printers.
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9. Flat plug with a thick head. Is mainly used in older devices.
The smallest and flattest plug. For most people recognize
as the charging plug that goes into an Android phone.
The connectors for USB 3.0 type B and micro look
somewhat different.
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10. The smallest and flattest plug. For most people recognize
as the charging plug that goes into an Android phone.
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11. The latest USB type is the USB-C. The plug is designed to
fit always. So studying it no longer needed a magnifying
glass the plug to be connected. Furthermore, USB-C would
get a standard connector type. That’s not true at all. There
are cables having a USB and a USB-A-C-plug. The Android
OnePlus phone 2, for example, using such a plug.
Eventually, all type cables USB-C, but before that, we are
years later.
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