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The hard disk is a part of the computer, which means how much capacity your computer can have, generally 60g 80g 120g 160g.
And the USB flash drive is a medium, for example: for example, if you want to copy some things in this computer such as movies, songs, etc. to another computer, then you need a USB flash drive, it is just a copy of the size of the thing is generally 128MB 256MB 512MB 1G 2G
1024mb = 1g)
So the computer is equipped with a hard disk, not a USB flash drive.
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Isn't the USB flash drive plugged in and ready to use? I can't even turn on the phone without a hard drive.
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If the USB flash drive is set to boot up (there is a system in the USB flash drive), the USB flash drive is the same. It's slow.
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Hehe, you don't see what the relationship is, the problem is off topic, it's not like you said, the hard disk is like a person's stomach, to be packed in it, and the U disk is like a person's backpack, it is additional! I don't know if my parable is reasonable or not! The whole computer is the individual!
The analogy is apt!
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In principle, it can be used in this way, and it can be installed on a floppy disk in the past. It is the same for the USB flash drive to be set to boot and boot the USB flash drive. But the USB flash drive reads data so slowly, when will the system be booted?
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The USB flash drive is easy to carry, small in size, and comes with flash memory
The hard disk is larger than the USB flash drive, and the storage space is relatively large
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The difference between <> hard disk and USB flash drive is that the storage principle is different, the volume is different, and the security performance is different. 1. The storage principle is different. USB flash drive:
The chip is used as a storage medium, and it has a storage function, so it is not necessary to borrow mechanical parts. Hard disk: Magnetism is used as a medium in order to be used as memory, which requires the help of mechanical parts.
2. The volume is different. USB flash drive: small size, easy to carry.
Hard disk: large in size, inconvenient to carry. 3. The safety performance is different.
USB flash drive: There is no mechanical part, when carried, it will not be affected by vibration, and when stored, it will not be affected by humid environment. Hard Disk:
It has a mechanical part, and when carrying, it cannot vibrate violently, and when it is stored, it cannot be stored in a humid environment.
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First, the principle of storage is different: the U disk uses semiconductor materials (chips) as the storage unit, also known as solid memory, and has no mechanical part. Mobile hard disks use magnetic media as storage and have mechanical parts.
Second, the main control algorithm is different: the hard disk uses a special algorithm, which is different from each manufacturer, and it is packaged in the main control chip. This is not the case with USB flash drives.
Third, the capacity difference is large: at present, the U disk is common in 1G-32G, and now the largest is 128G, but it is much smaller than the mobile hard disk, but with the progress of manufacturing technology, the capacity of the U disk will advance by leaps and bounds.
can be regarded as a mother-son relationship, when filming "The Ultimate Family", Lan Xinmei liked Tang Yuzhe, Wang Dongcheng and Huang Xiaorou, the three children who played her children in the play. During the filming of the Chinese New Year, Lan Xinmei went to Japan to play, accidentally injured in Japan, and had difficulty moving after coming back, Tang Yuzhe was a very caring child, so he went to the airport to pick up the airport, and took great care of his mother, so there was a scandal between the two at that time, but the two were just mother-son friendship, after the filming, Lan Xinmei also accepted Tang Yuzhe and Wang Dongcheng and Huang Xiaorou as godchildren, and they also continued to be called in the play, called Lan Xinmei's mother. It's a good year's friend.
The storage method is not the same.
Mobile hard disk is essentially a hard disk, and the USB disk is essentially a flash memory EEPROM bar, and the mobile hard disk is relatively large, the USB disk is relatively small (size) The unit capacity of the mobile hard disk is much cheaper than the U disk, and the largest U disk is now only 2G, and the mobile hard disk is basically 40G or larger. >>>More
The storage method is not the same.
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