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  2. Samsung Series 7 Slate - Wikipedia

    en.wikipedia.org/wiki/Samsung_Series_7_Slate

    The Samsung Series 7 Slate is built using a mixture of plastic and glass. A micro HDMI port, MicroSD slot, and a full-size USB 2.0 port are incorporated into the design, as well as a volume rocker, power button, rotation lock, headphone jack and charging port located on the sides. A physical home button is located directly below the screen.

  3. Hard disk drive performance characteristics - Wikipedia

    en.wikipedia.org/wiki/Hard_disk_drive...

    The spindle motor speed can use one of two types of disk rotation methods: 1) constant linear velocity (CLV), used mainly in optical storage, varies the rotational speed of the optical disc depending upon the position of the head, and 2) constant angular velocity (CAV), used in HDDs, standard FDDs, a few optical disc systems, and vinyl audio ...

  4. Hall effect sensor - Wikipedia

    en.wikipedia.org/wiki/Hall_effect_sensor

    The sensing electrodes measure the potential difference (the Hall voltage) proportional to the axial component of the magnetic field that is perpendicular to both the current's axis and the sensing electrodes' axis. [5] Hall effect sensors respond to static and changing magnetic fields. Inductive sensors instead only respond to changes in fields.

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  6. Rotational frequency - Wikipedia

    en.wikipedia.org/wiki/Rotational_frequency

    Rotational frequency, also known as rotational speed or rate of rotation (symbols ν, lowercase Greek nu, and also n), is the frequency of rotation of an object around an axis. Its SI unit is the reciprocal seconds (s −1 ); other common units of measurement include the hertz (Hz), cycles per second (cps), and revolutions per minute (rpm).

  7. Optical disc drive - Wikipedia

    en.wikipedia.org/wiki/Optical_disc_drive

    Optical disc drive. In computing, an optical disc drive (ODD) is a disc drive that uses laser light or electromagnetic waves within or near the visible light spectrum as part of the process of reading or writing data to or from optical discs. Some drives can only read from certain discs, while other drives can both read and record.

  8. Touchscreen - Wikipedia

    en.wikipedia.org/wiki/Touchscreen

    A touchscreen (or touch screen) is a type of display that can detect touch input from a user. It consists of both an input device (a touch panel) and an output device (a visual display). The touch panel is typically layered on the top of the electronic visual display of a device. Touchscreens are commonly found in smartphones, tablets, laptops ...

  9. Computer fan control - Wikipedia

    en.wikipedia.org/wiki/Computer_fan_control

    At the top of the case is a fan controller. Fan control is the management of the rotational speed of an electric fan. In computers, various types of computer fans are used to provide adequate cooling, and different fan control mechanisms balance their cooling capacities and noise they generate. This is commonly accomplished by the motherboards ...