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  •   What is USB 3.0
    What is USB 3.0?

    Summary: USB 3.0 is a revolutionize Universal Serial Bus standard, which is called the third generation of USB. It is a device that connects communication between the internal or external device and the computer system at a remarkable transmitting data speed that enables plug-and-play connectivity. To be more precise, it can transmit data 10 times faster than the older version of USB2.0 from between computer and external devices, which is equivalent to an optimum rate of 5 Gigabits per second! USB 3.0 Connectors USB Type-A  USB 3.0 Type-A, the same as the plug at the end of a flash drive, is a rectangular USB connector. USB 3.0 Type-A is compatible with both USB 2.0 and USB 1.1 connections. USB Type B USB 3.0 Type-B, usually applied in printers and other large devices, is a square USB connector with a large notch. The USB 3.0 Type-B plug can only be used in a USB 3.0 Type-B port, but previous plugs are all suited for the USB 3.0 Type-B port. USB Micro-A USB 3.0 Micro-A, found on many similar portable devices, is divided into two rectangular plugs. The USB 3.0 Micro-A plug only supports the USB 3.0 Micro-AB ports, but previous USB 2.0 Micro-A...


  •   What is USB 4.0
    What is USB 4.0?

    Summary: USB 4.0, released on 29 August 2019 by USB Implementers Forum, is a Universal Serial Bus system specified in the USB4 specification. Compared with prior USB systems, USB4 still uses USB-C connectors and requires the support of USB PD for power delivery. It is an excellent improvement of the Thunderbolt 3 connector. USB 4.0 VS USB 3.2 As the latest version, USB 4.0 differs from USB 2.0 in speed, bandwidth, and release time. Just as the chart shows: USB4 supports 40 Gbit/s throughput. Compared with USB 3.2, when sending mixed data, USB4 can offer higher effective data rates. Based on the Thunderbolt 3 protocol, USB4 support to interoperate with Thunderbolt 3 products, which makes it optional for USB4 peripheral devices and USB4 hosts. In a nutshell, USB 4.0 has made progress in many aspects. Thunderbolt Compatibility Apple initially deployed the Intel-designed Thunderbolt fast data transfer tech. Currently, more than 400 PCs on the market are equipped with Thunderbolt 3. The USB-C port can be a Thunderbolt port now. But not all devices have Thunderbolt, and some ports aren't compatible with Thunderbolt. Hence, in terms of super-fast data transfer, all USB 4.0 devices and ports are automatically compatible with Thunderbolt only if individual manufacturers elect to build it in. And despite the use of the standard, the use of the trademark is not royalty-free. OEMs need to be certified by...


  •   Introduction to USB Adapter
    Simple Introduction to USB Adapter

    Summary: As a type of protocol converter, a USB adapter is used to transfer USB data to a serial port and vice versa. It has a USB cable on one end and a non-USB cable on the other end. Thus, a USB adapter connects USB-port devices to non-USB-port devices. Development of USB Adapter The development of a USB adapter can be dated back to a very earlier time. In the earliest period, a majority of the personal computer had a built-in D-sub serial RS232 port (or a COM port), which could connect the PC to most types of serial RS232 devices. By the late 1990s, the serial COM port, which is used to support the USB port, was gradually launched out by computer manufactures. By the mid-2000s, some computers were equipped with both a USB port and a serial COM port. But by that time, many computers were no longer equipped with a serial COM port. Today, most modern computers have only USB ports but no serial COM port. As a result, the disappearance of the serial COM port created a need for the USB to serial adapter. Application of USB Adapter A USB adapter can play a significant role in...


  •   Overview of Card Reader
    Overview of Card Reader

    Summary: A card reader, known as a media card reader, is a data input and output device that reads and writes data from a memory card. During the first several decades of the computer industry, punched card readers came first. While modern card readers are electronic devices which can read plastic cards. These cards are embedded with a barcode, computer chip, or other storage media. Types Smart card readers Memory card readers Access control card reader Banking card readers Reasons To Use It To read or write data with a complex device is inconvenient; that is why we need a card reader. Here are some reasons: 1. Higher Speed: The reading and writing speed of the memory card through the card reader is usually higher than that of connecting the memory card through the device. 2. Work Reliably: It usually gets better results unless the memory card itself is damaged, or there are bad sectors. This reason is that "smart" phones and digital cameras are apt to stop and suspend bad sectors, preventing further access to the card. While the "dumb" reader swallows the error and then moves forward. 3. Universally-Used Device:  It works with memory cards. Without a card reader, you have to replace a...


  •   Insight on USB Flash Drive
    Learn Insight About USB Flash Drive!

    Summary: A USB flash drive comprises a flash memory data storage device with an integrated USB interface. Compared with an optical disc, a USB flash drive is smaller, removable, rewritable. It can store different files, including photos, videos, music, and so on. USB specifications The most commonly seen specifications of USB Flash Drive: USB 1.0/Low-Speed: 1.5 Mbps -- The USB 1.0 specification was introduced in January 1996, with a defined data transfer rate of 1.5 Mbit/s. USB 1.1/Full-Speed: 12 Mbps -- The USB 1.1 specification was the first widely used version released in September 1998. The 12 Mbit/s transfer rate was designed for higher-speed devices. USB 2.0/Hi-Speed: 480 Mbps -- The USB 2.0 specification was released in April 2000, and a high-speed rate of 480 Mbit/s was introduced in 2001. This maximum data rate is shared among all the attached devices. USB 3.0/SuperSpeed: 5 Gbps -- The USB 3.0 specification was published in 2008. It is mainly aimed at increasing the data transfer rate and power output. It includes a new, higher speed bus in parallel with the USB 2.0; thus, it is also called SuperSpeed. USB 3.1/SuperSpeed: 10 Gbps -- The USB 3.1 specification was launched in July 2013....