USB memory: uses, types and basic features of this useful tool

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Catherine Le Nevez

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Ever since the computer was invented, man has sought to create means for storing good proportions of information in small, easily accessible devices. That is why several simple card-type mechanisms have been developed that adopt this function; today they are recognized as USB memories or pendrives.

If you want to know more about what they are, what their features are, how they work and more; we recommend that you continue reading. This way you will be able to gain valuable knowledge about these import anti devices ; In addition, it will also help you to buy a pendrive based on what you need and know.

What are USB sticks

A USB memory is an electronic device used to store information, whatever you want to store on this type of device it's done solidly, so the information you need is saved there and then retrieved when you want.

It is a type of card that has a USB end to connect the memory to a device with that port. It is also known as a pendrive, this being the best known name internationally.

There are devices, like computers, that they are designed in their hardware to accept this kind of end , and although sometimes it cannot be connected with a pendrive, because it does not recognize it or for another reason, there is nothing to worry about.

All these devices they can be manipulated internally once connected to another device and is used to transfer large files, as well as to store them. This transfer is not unrelated to computers, in fact it can also be done with a mobile phone.

But perhaps all of this will raise some doubts, and it's impressive how small a device, the size of a finger, can store so much information and transfer it easily.

Main characteristics that a Pendrive or a USB memory can have

Pendrives usually have a wide range of features needed to acquire one; If you are going to buy it, you need to take the following aspects into account in order to get the most out of them too.

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Memory capacity

This size can vary between the following: 1, 2, 4, 8, 16, 32, 64, 128, 256 and 512 GB. Where the choice depends on the need you have ; However, there are others with 1 and 2 TeraBytes that are used for organizations that need to store a large amount of information in the same place; therefore they are not sold or are not easily accessible.

Transmission speed

You can also have the possibility to choose according to the characteristic of its speed; that is, from the speed with which it transfers information to other compatible devices.

Here you can find the following: 1.0 speed for 1.5 MegaBytes per second; 1,1 speed for 12 MegaByte per second; 2.0 speeds for 480 MegaBytes per second; 3.0 speeds for 4,8 GigaBytes per second. In this sense, it is up to users to select the option that best suits their particular tastes.

Other uses that a USB memory can have

Pendrives have a variety of uses that get anyone out of trouble. These can range from running a format, to restoring PCs and other devices; install games and be able to take them anywhere, share information and easily port them to other sites; and other options

Install another operating system

For many users it is of great help to be able to download one or the other operating system and install it on other USB devices ; In general, the most common is Windows, as it is the most used and compatible with a large number of computers. This is very useful for programmers and individuals who want to set up their computers or buy a new one.


RAM memories can help you a lot if you are a user who requires a large amount of space on your USB to use programs such as design, illustration and editing. This feature allows for more memorization ; and what if it can be harmful due to the use of space-intensive applications, because it brings inconvenience to speed when sharing or transferring information.

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Security keys

You can use a USB to log in or create your own security key, which allows you to have basic security measures to be able to easily transfer it to other computers. These may vary based on the type of Pendrive you use and the level of protection or protection of the information you deserve.

Different types of USB memory exist

The types of pendrive are not very different from each other, in fact, they can all present the same problems when it comes to connecting to a PC , such as not being recognized by the computer.

From a visual point of view, there are many types of pendrive , and you can find infinite models, some more serious or captivating than others, but all have the same components, with different system qualities.

And as for the versions, there are 2.0 and 3.0 type pendrives ; being a difference that 3.0 is not compatible with some operating systems, as well as having a data transfer rate higher than 2.0.

And this in based on the characteristics: a depending on the internal and external physical configuration of the pendrive, it will be its storage capacity, as well as its recognition by the PC.

The pendrive it has an internal card to store information , a shell to cover it, LEDs to indicate transfer, a USB end and a small processor that takes care of sending and receiving information that can be transferred to a device connected to that port. .

USB type A connector

This is a very traditional type of connector, generally it is the type we can see for connecting computers and laptops; they are powered and of high resistance; However, they are not applicable with all USBs , those allowed are the following: 1.0; 1.1; 2.0 and 3.1.

USB type C connector

One of its main features is that they are completely reversible which is why many users prefer it and it has established itself in the market as one of the most in demand. It is also the successor of the micro or mini USB; It succeeds also to have some degree of similarity to HDMI , where in many cases it becomes its replacement thanks to its easy access and economical price.

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Mini e Micro USB

In this case we find a type of USB that is the smallest size ; tends to have many more options within the same category; where the properties and characteristics change a little, but retain a touch of the original. These are the ones that can be observed for cameras, mobile phones and tablets (especially obsolete). However, these days it's not that common to find them or easy to obtain.

Apple Lightning cable

Considered to be one of Apple's patents, this USB model can only be compatible with Apple prototypes. Characterized by being small, short and equipped with an input that connects to iPhone, iPad and iPodTouch; that you can move smoothly wherever you go.

How does a USB stick work on a PC?

Pendrives aren't useful on their own, unless you just need to store information that you may never need again. However, to make this device useful, you need to connect it to another device so that the information can be managed or manipulated through the latter.

We see that a USB memory is mainly connected to a PC, and this is very safe. All computers today have at least one port for these types of devices.

The operation of a USB stick on a PC it is an easy to understand mechanism ; The only thing you have to do to access the information that a USB memory has is to connect it to that port on a PC and then insert the files with the mouse to transfer the information.

A USB memory also works as a space saver on PC, being able to install programs on the USB without using the internal memory, so that it is used only once the pendrive is connected.

Now, if what you're interested in is knowing how a USB memory works electronically , connected to a PC, you need to know its types and characteristics.

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