Those that are entirely external devices include laser printers, mobile hard disks, mice, etc. External devices are the collective name for input devices, output devices and external memories in computer systems. They play a role in transmitting, transferring and storing data and information. role.
#The operating environment of this article: Windows 7 system, Dell G3 computer.
Peripheral devices are the collective name for input, output devices and external memories in computer systems. They play a role in transmitting, transferring and storing data and information, and are an important part of computer systems.
Peripheral devices refer to devices connected outside the computer host. They are generally divided into input devices, output devices and external memory. External devices are an important part of the computer system and play the role of information transmission, transfer and The role of storage.
Peripherals refer to any device other than the host. Peripheral devices are ancillary or auxiliary devices that are connected to a computer. Peripheral devices can augment computer systems.
#External devices include laser printers, mobile hard drives, mice, etc.
The mouse is the basic control input device of Windows and is easier to use than the keyboard. This is due to the graphics nature of Windows that requires a mouse to be pointed and moved around the screen to click.
Mobile hard disk is a memory that uses hard disk as storage medium and emphasizes portability. It encapsulates a micro hard drive in a hard drive box, and its data reading and writing mode is the same as a standard hard drive. Mobile hard drives are divided into two types: 2.5 Inch (for laptops) and 3.5 Inch (for desktop computers). 2.5-inch mobile hard drives generally do not have an external power supply inside the hard drive box, while 3.5-inch mobile hard drives generally have their own external power supply and cooling fan inside the hard drive box.
(Learning video sharing: Programming video)
The above is the detailed content of What are the completely external devices?. For more information, please follow other related articles on the PHP Chinese website!