By PURPLELEC | 25 August 2023 | 0 Comments
What are the commonly used interfaces of notebook computers
The common interfaces of notebook computers are: power adapter port, USB Type-A / Type-C interface, RJ45 Ethernet port, HDMI interface, headphone jack, SD card interface, wedge lock slot, etc.
Power adapter port: the port for charging and supplying power to the laptop battery. In the past, there were round and square power ports, but now most of them are USB Type-C power ports.
USB interface: Commonly used as USB Type A and Type C, referred to as A port and C port
Port A: Usually used to plug in external devices such as mouse, keyboard, U disk, mobile hard disk, etc.
Some are marked with USB 2.0, 3.0, 3.1, 3.2 and other versions. The larger the number, the faster the data transmission speed. It can also be distinguished from the color of the connector, 2.0 is black, and 3.0 and above is blue, and the speed is faster.
C port: It supports front and back insertion, and is usually used to plug in C port external devices such as mouse, keyboard, U disk, and mobile hard disk.
Next to it is the Thunderbolt 3 or Thunderbolt 4 interface with the Lightning logo, which can not only supply power to compatible devices at the same time, but also charge them in reverse. External graphics cards, daily network cables, earphones, keyboards, mice, etc., as long as the devices support Thunderbolt, the Thunderbolt 4 interface is compatible, which provides great convenience for mobile office and business trips, and has two advantages over the C port
First, the output data is faster, which solves the problem that the laptop charger is too large;
Second, the Thunderbolt 4 interface can also be connected to other displays to achieve the best performance of the display.
HDMI interface: HDMI interface, which can be connected to external projectors, TVs or monitors, etc., can be used for daily office projection, film and television or online class projection, etc.
Memory card interface: supports reading and writing of TF and SD cards, and is often used by people who often use cameras.
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