دانلود رایگان مقاله انگلیسی USB (یو اس بی) چیست؟ به همراه ترجمه فارسی
|عنوان فارسی مقاله:||USB (یو اس بی) چیست؟|
|عنوان انگلیسی مقاله:||What Is USB?|
|رشته های مرتبط:||مهندسی کامپیوتر، مهندسی سخت افزار|
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بخشی از ترجمه فارسی مقاله:
USB خلاصه گذرگاه سرى جهانى (Universal Serial Bus) می باشد، یک گذرگاه خروجی که انتقال اطلاعات را با سرعت ۱۲مگابایت بر ثانیه پشتیبانی می کند.
بخشی از مقاله انگلیسی:
USB Short for Universal Serial Bus, an external bus standard that supports data transfer rates of 12 Mbps. Today just about every PC comes with Universal Serial Bus, or USB ports. In fact, many computers will even have additional USB ports located on the front of the tower, in additional to two standard USB ports at the back. In the late 1990s, a few computer manufacturers started including USB support in their new systems, but today USB has become a standard connection port for many devices such as keyboards, mice, joysticks and digital cameras to name but a few USB-enabled devices. USB is able to support and is supported by a large range of products. Adding to the appeal of USB is that it is supported at the operating system level, and compared to alternative ports such as parallel or serial ports, USB is very user-friendly. When USB first started appearing in the marketplace, it was (and still is) referred to as a plug-and-play port because of its ease of use. Consumers without a lot of technical or hardware knowledge were able to easily connect USB devices to their computer. You no longer needed to turn the computer off to install the devices either. You simply plug them in and go. USB devices can also be used across multiple platforms. USB works on Windows and Mac, plus can be used with other operating systems, such as Linux, for example, with a reliable degree of success. Before USB, connecting devices to your system was often a hassle. Modems and digital cameras were connected via the serial 2 port which was quite slow, as only 1 bit is transmitted at a time through a serial port. While printers generally required a parallel printer port, which is able to receive more than one bit at a time — that is, it receives several bits in parallel. Most systems provided two serial ports and a parallel printer port. If you had several devices, unhooking one device and setting up the software and drivers to use another device could often be problematic for the user. The introduction of USB ended many of the headaches associated with needing to use serial ports and parallel printer ports. USB offered consumers the option to connect up to 127 devices, either directly or through the use of a USB hub. It was much faster since USB supports data transfer rates of 12 Mbps for disk drives and other high-speed throughput and 1.5Mbps for devices that need less bandwidth. Additionally, consumers can literally plug almost any USB device into their computer, and Windows will detect it and automatically set-up the hardware settings for the device. Once that device has been installed you can remove it from your system and the next time you plug it in, Windows will automatically detect it.