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Educate me on USB drives, devices #5292742 12/12/19 05:55 PM
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53' Stude Offline OP
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Good evening again folks. Can some of you great folks here educate me on USB drives and devices and what they are capable of and what they do? I googled them and am not computer illiterate.

Thank You all smile


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Re: Educate me on USB drives, devices [Re: 53' Stude] #5292755 12/12/19 06:00 PM
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N Heat Offline
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I guess it depends on what devices you are talking about. Jump drives, or flash drives, are just portable storage devices that you can plug into a USB port on any computer. You can store pics, video, documents etc.

Theres many other devices that can use a USB port to connect to a computer. CD-ROM drives, DVD drives, SD card readers, Etc. For just about any given computer device, you can find a version that can be used with a USB port.

They became more popular as devices like laptops got smaller. Chromebooks for example have several USB ports, but no internal hard drive to speak of. You can utilize the USB ports to connect a external hard drive, or any variety of devices that you would like. You can also connect your telephone to a computer via USB cord, and transfer files back and forth from your phone to the computer

Last edited by N Heat; 12/12/19 06:04 PM.
Re: Educate me on USB drives, devices [Re: 53' Stude] #5292765 12/12/19 06:10 PM
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53' Stude Offline OP
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Thank You sir for your wealth of info. Very informative and interesting smile


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Re: Educate me on USB drives, devices [Re: 53' Stude] #5292783 12/12/19 06:27 PM
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Two USB devices I have on my Computer an Auxiliary Speaker and a Seagate backup drive.


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Re: Educate me on USB drives, devices [Re: 53' Stude] #5292814 12/12/19 07:00 PM
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Quattro Pete Offline
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Some further reading on USB and USB devices:
https://www.computerhope.com/jargon/u/usb.htm


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Re: Educate me on USB drives, devices [Re: 53' Stude] #5292876 12/12/19 08:14 PM
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97prizm Offline
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Stands for Universal Serial Bus


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Re: Educate me on USB drives, devices [Re: 53' Stude] #5292967 12/12/19 10:09 PM
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One thing to remember- the various USB standards have a transfer rate of XX-- as the standard becomes newer the speed increases. But It also depends on how fast the actual device is, and if it has some sort of buffer or cache. Some devices can deliver pretty fast transfer rates, such as SSD drives. Others might support the latest standard (USB 3.1 I believe) but the device itself cannot feed the data as fast. Slow memory cards on a USB reader are one example of a device that may not live up to expectations. USB 3.0 is pretty common over the last few years, but many really cheap devices might only support USB 2.0.

Think of a nice fast road where the speed limit is 100 mph, but your car can only achieve 70 mpg at best. If you had a more powerful car, you might achieve closer to the theoretical max.

USB 1.0: 1.5 Megabits per second (Mbps)
USB 1.1: 12 Megabits per second (Mbps)
USB 2.0: 480 Megabits per second (Mbps)
USB 3.0: 5 Gigabits per second (Gbps)
USB 3.1: 10 Gigabits per second (Gbps)

I stumbled across this article which actually seems pretty good and covers Ethernet, Bluetooth, Wifi , Thunderbolt and Firewire and other network devices. One of the things I hear frequently is people complaining about "something slow"- like Bluetooth. This is mistaking the comm / network / protocol purpose, and trying to squeeze out something for which it was not designed. Bluetooth is low power, quick to connect, and cheap to implement. But it is slow and short range, and has a limit to the number devices on a segment.
https://helpdeskgeek.com/networking/a-breakdown-of-file-transfer-speeds/

Wikipedia on USB
https://en.wikipedia.org/wiki/USB

I was looking at the history of USB, because I can remember before USB, SATA and even ethernet were introduced (remember Arcnet, Token RIng, or gawd-hep-us something like RS-232 ?

Re: Educate me on USB drives, devices [Re: Quattro Pete] #5293098 12/13/19 04:50 AM
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53' Stude Offline OP
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Originally Posted by Quattro Pete
Some further reading on USB and USB devices:
https://www.computerhope.com/jargon/u/usb.htm




Thank You and Thank You rubber chicken for the info. smile


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Re: Educate me on USB drives, devices [Re: 53' Stude] #5293192 12/13/19 07:43 AM
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[Linked Image from electroschematics.com]

Last edited by Cujet; 12/13/19 07:44 AM.

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Re: Educate me on USB drives, devices [Re: 53' Stude] #5293228 12/13/19 08:41 AM
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ARCOgraphite Offline
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Originally Posted by 53' Stude
Good evening again folks. Can some of you great folks here educate me on USB drives and devices and what they are capable of and what they do? I googled them and am not computer illiterate.

Thank You all smile


'53 What are you planning on doing with USB devices?

Backup? Get a USB 2 min for that task if the computer /LT has a 2.0 port.

Then you can just drag and drop folders of use a backup utility.

I like to drag and drop for backup of passwords and logins and photos and legal docs. At least 1x per year.

But I don't have a business. With that I do a cloud backup which should be free with your Internet Security Package.

Stupid name "Cloud" is just likely a barracuda HDD stack somewhere inside some closet in some grimy building .

No Clouds or Creator involved.


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Re: Educate me on USB drives, devices [Re: 53' Stude] #5293600 12/13/19 03:04 PM
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Arcographite: I just want to learn what they are capable of doing and may get one for my laptop


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Re: Educate me on USB drives, devices [Re: 53' Stude] #5293624 12/13/19 03:53 PM
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I see.
The first thing I did was put my wife's 1000's of photos on the thumbdrive to free up some memory - and act as a backup.
a decade of Digital photos can be lost in a second in a hard drive crash.

Some people keep all their music on there.

A 10 buck thumb drive = 3 drawers full of CDs or a shelf or LP's.

Some guys are into sound and music and there are USB devices that output high quality digital sound for headphones or for output to your HiFi system.


Then you can get a Bluetooth transmitter for under 10 bucks that will local cast music to your soundbar or HiFi setup that has a bluetooth receiver.

But it seems smart TV's are taking away the thuder from laptop and pC.
You can watch or listen to most anything on the web on your tV.

Have fun on your digital journey smile


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Re: Educate me on USB drives, devices [Re: 53' Stude] #5294100 12/14/19 08:56 AM
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53' Stude Offline OP
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Thank You Arco for the info. You know way more than me smile


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Re: Educate me on USB drives, devices [Re: ARCOgraphite] #5294217 12/14/19 10:47 AM
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Originally Posted by ARCOgraphite

Some guys are into sound and music and there are USB devices that output high quality digital sound for headphones or for output to your HiFi system


I did not know this - thanks!


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Re: Educate me on USB drives, devices [Re: Linctex] #5294428 12/14/19 03:43 PM
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Quattro Pete Offline
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Originally Posted by Linctex
Originally Posted by ARCOgraphite

Some guys are into sound and music and there are USB devices that output high quality digital sound for headphones or for output to your HiFi system


I did not know this - thanks!

Yup, this is the external USB DAC I currently use with my laptop:
[Linked Image from live.staticflickr.com]


I also have this older FiiO Q1 that's a combo USB DAC and portable headphone amp:
[Linked Image from live.staticflickr.com]

Some MP3/digital audio players can also be used as external DACs.

Majority of built-in computer soundcards have the cheapest possible poor quality DACs. If you're just listening to sound through your laptop's built-in speakers, then it doesn't really matter, but if you want to play audio through a nice sound system, a better DAC can result in an improvement.


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