Tablet computer WikipediaTablet PC redirects here. For the class of Microsoft Windows based tablets, see Microsoft Tablet PC. Convertible computer redirects here. For the IBM computer of this name, see IBM PC Convertible. A tablet computer, commonly shortened to tablet, is a portable PC, typically with a mobile operating system and LCDtouchscreen display processing circuitry, and a rechargeable battery in a single thin, flat package. Tablets, being computers, do what other personal computers do, but lack some IO capabilities that others have. Tablets typically have other IO capabilities that suit them to their usual tasks. These may include front facing or rear facing digital cameras, a microphone, GPS receiver, flashlight, magnetometer, proximity sensor, barometer, gyroscope and an accelerometer, so images on screens are displayed upright, or to sense velocity. Some have a fingerprint sensor, iris scanner, or face recognition. Most tablets use Wi Fi, and some can also use cellular networks, for Internet access. Tablets can run various software known as apps most basic apps such as camera, photos, web browser, voicevideo calls, emails, text messages, maps, weather, calendar, contacts, notes, app store, virtual assistant, etc. come pre installed with the system. Others may be installed online from the app store. The touchscreen display uses gestures by finger or stylus to replace the mouse, trackpad and keyboard of larger computers. On the sides of the device, speakers, volume buttons to control the sound emitted by the speakers, a headphone jack, and a USB port will be present. Devices may have a touchscreen home button takes user to the starting user interface at the bottom of the screen, or a physical home button or multiple buttons may be included below the touchscreen. Some tablets have a vibration feature, which may be used for a more vibrant experience in games, or for notifications. Tablets may be able to place and receive voicevideo telephone calls using Voice over IP on Wi Fi or cellular networks. Tablets largely resemble smartphones, the only differences being that tablets are relatively larger than smartphones, with screens 8 inches 2. Portable computers can be classified according to the presence and physical appearance of keyboards. Slates and booklets do not have a physical keyboard, and usually accept text and other input by use of a virtual keyboard shown on a touchscreen enabled display. Hybrids, convertibles, and 2 in 1s all have physical keyboards although these are usually concealable or detachable, yet they typically also make use of virtual keyboards. Some 2 in 1s have processors and operating systems like a full laptop, whilst having the flexibility of being used as a tablet. Most tablets can use separate keyboards connected using Bluetooth.
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November 2017
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