Knowledge

What is a sim card?

SIM card is (Subscriber ldentity Module customer identification module) abbreviation, also known as smart card, user identification card, GSM digital mobile phone must be installed this card can be us

Mobile phone memory card can not format how to do, SD card can not format the...

Why cannot the memory card be formatted 1, the mobile phone hardware is physically damaged, in this case can only replace the memory card 2. The memory card cannot be read and formatted. 3. The data i

What does an encrypted USB flash drive do?

1. Prevent data recovery When the USB flash drive is formatted or destroyed (including mass production), a new sensitive data encryption key is automatically created randomly using the chip, so that t

What are the encryption methods of U disk?

1. Fake encryption This kind of encrypted USB flash drive does not have a real sense of encryption, only need to use the password cracking tool can read out the data of the USB flash drive, you can al

Mobile phone memory card correct formatting method

1. Go to my computer 2. Press right click on MMc card reader (stone key option) 3. Select the format of the red bottom line in the image and click to enter. [Click format (format) to see the following

What are the types of memory cards and the difference between various types o...

Multimedia flash memory card is a general term, including SD, MMC, TF, MicroSD and so on. At present, the multimedia flash memory cards used in the market are: CF, MMC, SD, MIN-SD, RS-MMC, T-Flash, MS

Advantages and disadvantages of solid state drive and its application

First, the basic principle of SSD The storage principle of SSD is similar to that of U disk, using flash memory as the medium. Flash memory is composed of millions of capacitive memory chips, each chi

Mobile hard disk how to add password, mobile hard disk encryption method

SSD(Solid State Disk or Solid State Drive), also known as electronic hard disk or solid state electronic disk, is a hard disk composed of a control unit and a solid state storage unit (DRAM or FLASH c

Mobile hard disk how to partition mobile hard disk can not identify how to do

How to partition a portable hard drive Method 1: The disk manager delivered with Windows If you don't want to download some other partitioning tools, you can use the Windows built-in partitioning tool