Generally, with the help of official WTG tools of Microsoft or third-party tools, a windows to go system USB flash drive can be made by using the original system image. Generally, it can be plugged and played on the computer supporting WTG system, which is very convenient to use.
Generally, the USB flash drive of WTG system can be plugged into a computer that supports WTG system and USB flash drive, and the running speed of the system has a great relationship with the reading and writing speed of USB flash drive. Therefore, generally try to choose usb3.0 or usb3. 1 interface USB flash drive with strong reading and writing performance.
If you have higher requirements for system performance, you can also consider buying a solid-state USB flash drive. The reading and writing speed is basically close to that of sata3 interface solid state drive, but the price is relatively high. 128GB price around 600 yuan.
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Computer system function
Mainly reflected in two aspects:
1, which shields the physical characteristics and operation details of hardware and provides convenience for users to use computers.
Instruction system (thousands of machine instructions, the execution of which is realized by instruction interpretation system of microprogram). In the early days of computers,
Computer workers are working on bare metal by hand. ? Computer hardware architecture is becoming more and more complex.
2. Effectively manage system resources and improve the utilization efficiency of system resources.
How to effectively manage and rationally allocate system resources and improve the efficiency of system resources is the main role that the operating system must play. Resource utilization and system throughput are two important indicators.
A computer system should be used by multiple programs at the same time. Operation solves the problem of resource sharing! ! How to allocate and manage limited resources is a very critical issue!
Definition of operating system: Operating system is the most basic system software in computer system, which is used to effectively manage system resources and provide a convenient environment for users to use computers.
Hard disk can be divided into mechanical hard disk (HDD) and solid state hard disk (SSD). Mechanical hard disk is a traditional common hard disk, which is mainly composed of disk, magnetic head, disk spindle, control motor, magnetic head controller, data converter, interface and cache.
The magnetic head can move along the radial direction of the disk, and the disk rotates at a high speed of several thousand revolutions per minute, so the magnetic head can be positioned at the designated position of the disk to read and write data. Information is written on the disk by the electromagnetic current of the magnetic head close to the magnetic surface, and information can be read in the opposite way. Hard disk is a precision device, and dust is its enemy, so the air entering the hard disk must be filtered.
Solid-state hard disk (SSD) is a hard disk composed of an array of solid-state electronic storage chips, which is composed of a control unit and a storage unit (FLASH chip and DRAM chip).
Solid-state hard disk is exactly the same as ordinary hard disk in terms of interface, function and usage, and the product shape and size are also exactly the same as ordinary hard disk. Widely used in military, vehicle, industrial control, video monitoring, network monitoring, network terminals, electric power, medical care, aviation, navigation equipment and many other fields.
The working temperature range of the chip is very wide, including commercial products (0~70℃) and industrial products (-40~85℃). Although the cost is high, it is gradually spreading to DIY market. Because solid-state hard disk technology is different from traditional hard disk technology, there are many emerging memory manufacturers.
Manufacturers only need to buy NAND memory and cooperate with appropriate control chips to manufacture solid-state hard disks. SATA-2 interface, SATA-3 interface, SAS interface, MSATA interface, PCI-E interface, NGFF interface, CFast interface and SFF-8639 interface are widely used in the new generation of solid state drives.
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