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A wireless keyboard must have a transmitter built in, and a receiver connected to the computer's keyboard port; it communicates either by radio frequency (RF) or infrared (IR) signals. A wireless keyboard may use industry standard Bluetooth radio communication, in which case the receiver may be built into the computer.
A common computer input device, a keyboard. A user presses a key which transfers information to a computer. In computing, an input device is a piece of equipment used to provide data and control signals to an information processing system, such as a computer or information appliance.
The PC 97 standard requires that a computer's BIOS must detect and work with USB HID class keyboards that are designed to be used during the boot process. Some keyboards implement the USB Boot Keyboard profile specified in the USB Device Class Definition for Human Interface Devices (HID) v1.11 and are explicitly configured to use the boot protocol.
A pointing stick on a mid-1990s-era Toshiba laptop. The two buttons below the keyboard act as a computer mouse: the top button is used for left-clicking while the bottom button is used for right-clicking. Optical pointing sticks are also used on some Ultrabook tablet hybrids, such as the Sony Duo 11, ThinkPad Tablet and Samsung Ativ Q.
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The Dell XPS 14 (9440) was released in early 2024 and is a 14.5" laptop between the Dell XPS 13 and the XPS 16. It has thinner bezels, a seamless touchpad, and edge-to-edge keyboard with a touch function row, it offers two 14.5" display options, 1920x1200 LCD, or 3200x2000 OLED display, both at a refresh rate of 120Hz.
Dell Studio 17, featuring a full number pad and a backlit keyboard. A 17" laptop. [8] Studio 1735 (Intel Santa Rosa platform) Studio 1736 (AMD Turion 64 processor) Studio 1737 (Intel Montevina platform) Studio 1745/47/49 (Intel Calpella (2009) platform featuring a Core i7 processor and DDR3 memory plus JBL 2.1 speakers [2 x 1.5 watt and 3 watt ...
The Dell Inspiron 1525 was a laptop with a 15.4-inch display released in 2008. [3] [4] It weighed approximately six pounds – half a pound lighter than the 1520. [5] This laptop can be considered a mid-range Dell computer, between the smaller Dell 1420 model and the more expensive XPS M1530 model. It featured a chassis with a new edge design ...