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The value of an element’s accesskey attribute is the key the user will press (typically in combination with one or more other keys, as defined by the browser) in order to activate or focus that element. Though the accesskey attribute sets the key that can be pressed, it does not automatically notify the user of the bound access key.
Packet loss occurs when one or more packets of data travelling across a computer network fail to reach their destination. Packet loss is either caused by errors in data transmission, typically across wireless networks, [1] [2] or network congestion. [3]: 36 Packet loss is measured as a percentage of packets lost with respect to packets sent.
Mouse keys is a feature of some graphical user interfaces that uses the keyboard (especially numeric keypad) as a pointing device (usually replacing a mouse). Its roots lie in the earliest days of visual editors when line and column navigation was controlled with arrow keys .
One-button mouse Three-button mouse Five-button ergonomic mouse. A mouse button is an electric switch on a computer mouse which can be pressed (“clicked”) to select or interact with an element of a graphical user interface. Mouse buttons are most commonly implemented as miniature snap-action switches (micro switches).
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A wireless LAN is easily filled by a single personal computer. [2] Even on fast computer networks, the backbone can easily be congested by a few servers and client PCs. Denial-of-service attacks by botnets are capable of filling even the largest Internet backbone network links, generating large-scale network congestion.
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The Cr-48's hardware design broke convention by replacing certain keys with shortcut keys, [121] such as the function keys, and replacing the caps lock key with a dedicated search key (now called the "Everything Button"), [122] which can be changed back to caps lock in the OS's keyboard settings.