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Annoyances and Applications of USB devices

Less memory than specified a certain amount of memory is always taken up by the file allocation table. This is normal for any memory storage device, when the device is formatted first time; a file allocation table for a FAT is created. The FAT stores the locations of each file stored in the drive. The Fat takes very little space on the drive by default .all USB flash memory devices use the FAT32 type of partition.

Less memory than specified – a certain amount of memory is always taken up by the file allocation table. This is normal for any memory storage device, when the device is formatted first time; a file allocation table for a FAT is created. The FAT stores the locations of each file stored in the drive. The Fat takes very little space on the drive by default .all USB flash memory devices use the FAT32 type of partition.

 

In addition ,are pre installed with software that allows you to carry sensitive data in an encrypted format and back up data .The preinstalled software on your drive is usually installed in a separate partition .this causes the total available space on the drive to reduce further but not much.

 

USB is designed such that you can add up to 127 devices to one computer .This is accomplished through the use of hubs .In a effect the hub expands the number of USB ports. The most common hub is a 4-port unit which can be plugged into one of the USB connections on your computerBusiness Management Articles, giving additional 4 USB ports.

 

The specifications of a USB states that the maximum length of the USB cable is 5 meters so you can not extend it more that 5 meters without using a USB repeater cable .This cable contains active electronics that boost the USB signal for maximum reliability and performance over extended distances. Up to 4 of these USB active extension cables can be linked to extend the distance between your computer and your USB peripheral to up to 80 feet.

 

But the best solution is a self powered hub with a fixed 10m cable that has a one port bus powered hub in the middle.

 

Applications

 

1Mobile phones

2 MP3 Player

3 Medical equipments

4 Digital cameras

5 Digital video cameras

6 GPS navigation systems

7 Other portable devices

8 Personal computers

9 Data communications

10 testing equipments

 

 

 

Electronic Sample

 

Connectors

 

Usb Connectors

 


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