The hard disk is a cash register storage software program and data files. Like the cash register used by our restaurant and supermarket, how much hard disk is needed?
Many low-priced cash registers on the market use 16G or 32G solid-state hard drives. After installing a Windows 7 system, there is almost no memory left. The cash register also needs to install cash register software, and some common management software, so that the cash register is very The hard drive is full. Take the Jiawei video cash register as an example. The factory hard disk is the default 500G mechanical hard disk. The cash register hardly needs to worry about whether the capacity is not enough. You can install QQ, WeChat and other software on the cash register as you like.
What is the difference between a solid state drive and a mechanical hard drive?
(1) The read and write speed of the solid state hard disk is very fast, and the flash memory is used as the storage medium, and the reading speed is relatively faster than the mechanical hard disk. Solid state drives do not use heads, and the seek time is almost zero. SSDs can continue to read and write faster than 500MB/s, which is much larger than 100MB/s for ordinary mechanical hard drives.
(2) There is no magnetic head inside the solid state hard disk, nor is it a CD, so it can also achieve the anti-seismic effect. Moreover, the solid state hard disk does not have a motor and a fan in the mechanical hard disk, and the noise value during operation is almost 0 dB. No noise and a wide operating temperature range. There are no mechanical moving parts inside, no mechanical failure, and no collision, shock or vibration.
(3) Life limit. Today's SSDs have a fixed number of read and write times, which is why many people are criticized for their short life, but their read and write times are not very significant compared to the life of ordinary hard drives.
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