1, laptop interface type:
1)USB interface: It is called universal serial bus and supports hot plug. There are usually four or more. It is one of the most commonly used interfaces for connecting USB external devices. Many digital devices, such as mice, keyboards and digital cameras, have USB interfaces. ?
2)RJ-45 interface: it is the interface of the network card. Set IP, DNS, etc. And plug in the crystal head directly to surf the internet. ?
3)RJ- 1 1 Interface: The current notebook has probably been cancelled, and it is a telephone line dial-up Internet access in the modem era. ?
4)IEEE 1394 port: Also known as fireware, it supports hot plug, which is much faster than USB interface, but after the introduction of USB2.0 specification, IEEE 1394a is slightly inferior. ?
5)S-Video output: used to transmit the image content displayed in the notebook to the TV. When in use, connect the notebook with the TV through the AV terminal, and set the related parameters of the graphics card. ?
6)VGA interface: used to connect external display and projector.
7)DVI interface: It is also used to connect TV, and the display effect is better than other interfaces. I wonder if the current notebook has this interface? ?
8)PCMCIA interface: PC card slot can be used for wireless network cards. ?
9)Express card slot: The second generation Centrino bus is much faster than the PC card slot. ?
10) port replicator/docking station dedicated port: generally at the bottom of the machine, used to expand notebook peripherals. ?
1 1) infrared data association: wireless interface, wireless link with notebook, PDA, mobile phone and digital equipment. ?
12) Bluetooth: It is also a wireless interface, which is faster than infrared. ?
13) card reader interface: used to read the data in the memory card of digital equipment. ?
14) headphone microphone interface: connect headphones and microphone.
2. NoteBook (NB for short), also known as notebook computer, portable computer or Laptop Computer in Chinese (Laptop computer for short), is a small portable personal computer, usually weighing 1-3kg. Its development trend is smaller and lighter, but stronger. Like a netbook, also known as a netbook, the main difference from a PC is that it is easy to carry, or "PC" for short.