What is USB

USB is called as Universal Serial Bus USB has been designed in such a way that it should help easy communication possible between various types of peripherals without removing any existing interfaces.  Every pc has couple or more USB ports to connect, Through USB you can now connect a keyboard, mouse, a blue tooth device, play games using joystick, Connect Webcam, Connect external hard drive, ipod and much more devices.

Advantages of USB

Before studying about the advantages and drawbacks of USB you need to know what a USB can do, Usb is a handy solution for those who want to access free communication with the devices apart from the pc. A successful device must really impress two types of people who are using the computer, 1. The users who want to connect peripherals and it should be useful for the developers who want to design software, which communicates with USB.

What are the benefits of USB among users?

From the user point of view USB provides ease of use, quick and reliable data transfers and provides with more flexibility, lesser cost and low power consumption.  The goal of USB is to  make a fantastic experience for the users . One for many is the philosophy of USB, with one interface you can connect to many peripherals for example, connecting a keyboard, mouse, printer, I pod, play games with joystick using usb port and much more.

Auto Installation of drivers

As among the users, it saves lot of time as compared with other devices where user have to put the cd/dvd into the drive and manually install any hardware for that device each time they try to connect, But USB might prompt you for only the first time and afterwards USB will configure automatically and inform the user that it is ready for use.

Absence of User settings

This is really a great advantage point on using usb, All usb peripherals does not have specific user settings namely port address or IRQ lines, usb doesn’t need to allocate a new user setting for each peripheral.

USB can be connected easily and save hardware resources

To connect a usb you don’t have to open the cabinet to a expansion card or to connect to a peripheral. All latest cabinets are now built in with usb ports at least 2 ports will come in the front you can use a USB HUB to connect many usb devices with one port.  USB need not use IRQ (interrupt request)
lines for each non usb peripherals, system will allocate only on port address and one IRQ line for the port but without USB the system will allocate separate port addresses for each non usb peripheral it saves lot of hardware resources.

Easy to connect simple cables:

All the usb connectors are very simple to connect the cables provided will be as long as 6 meters in length. With USB hubs you can extend it up to 25 meters from the pc.

This article is for informational  purposes only