Q:

What does USB stand for?

A:

Quick Answer

In technology, the definition of USB stands for universal serial bus. The most commonly used USB devices include flash drives, keyboards, mice, printers and external hard drives.

Know More

Full Answer

The universal serial bus was developed in the mid-1990s to standardize the connection and the input of computer devices. Beyond standard USB devices such as keyboards and mice, USB is commonly found on devices such as video game consoles, cellphones and PDAs. Since its creation, USB has received five updates between 1996 and 2014. The first version, USB 1.0, offered a transfer rate of 1.5 Mbps per second. In contrast, USB 3.1, the latest version as of September 2014, has a transfer rate of 9,600 Mbps per second.

Learn more about Computers & Hardware

Related Questions

  • Q:

    What does DSLR stand for?

    A:

    DSLR or digital SLR refers to a digital single-lens reflex camera. It is a type of digital camera that combines a digital imaging sensor with a single-lens reflex camera by using mirrors to direct light from the lens to the view finder. This enables users to view the image they are about to shoot through the view finder.

    Full Answer >
    Filed Under:
  • Q:

    What do "downstream" and "upstream" mean in USB terms?

    A:

    Universal Serial Bus, or USB, hubs or ports enable a computer user to connect computer peripherals like a monitor to a computer. USB ports distinguish connections by allocating the use of "A" and "B" connectors. "A" connections go upstream toward the computer, while "B" connections move downstream and link to separate peripherals.

    Full Answer >
    Filed Under:
  • Q:

    What are the disadvantages of USB flash drives?

    A:

    The main drawback of USB flash drives is their limited write and erase cycles. One can only be written and erased about 100,000 times. While this may not greatly affect the average user, it should be a major consideration for users who intend to use the thumb drive to run an operating system or application software.

    Full Answer >
    Filed Under:
  • Q:

    What do you use a USB Y-cable for?

    A:

    Although it can be used for other devices, a USB Y-cable is most commonly used to power an external hard drive with a computer or laptop. This type of cable provides more power to an external device than a traditional USB connection.

    Full Answer >
    Filed Under:

Explore