| Accessing the keyboard Hardware | | | | supports support the arm yet still permit |
| Height-adjustable trolley. Allows precise | | | | free movement. |
| adjustment, via a handle, of a computer to | | | | |
| the correct height - even when fully loaded | | | | Keyboard shortcuts. A combination of keys is |
| with equipment. | | | | used for operations commonly done using the |
| | | | mouse. |
| Adjustable keyboard and monitor arms. | | | | |
| | | | Rollerballs. An upside-down mouse where the |
| Attaches to a table and swings out to the | | | | ball is moved directly with the fingers (or |
| correct height. | | | | foot, nose, elbow etc) to control the mouse |
| | | | pointer. |
| Footrests. If the user’s feet are | | | | |
| dangling down from a seat that is too high | | | | Joysticks. The stick is moved directly with |
| they can help to maintain sitting balance and | | | | the fingers (or foot, nose, elbow etc) to |
| achieve good hand control. | | | | control the mouse pointer. |
| | | | |
| Wristrests. Stabilises the arm. | | | | Graphics tablets. The stylus pen, linked to |
| | | | the tablet, is moved with the hand to control |
| Arm supports. Take the weight of the arm and | | | | the mouse pointer. |
| let the user move across the keyboard to | | | | |
| access the keys. | | | | Touch pads. Flat touch sensitive surface |
| | | | operated with the finger to control the mouse |
| Keyguards. It fits over the keyboard to help | | | | pointer. |
| prevent unintentional keypresses. | | | | |
| | | | Touch screens. The user can touch objects |
| Ergonomic keyboards. Reduce the discomfort | | | | directly on the screen to move them around. |
| from injuries related to excessive keyboard | | | | |
| use (wristrests are often built in as well). | | | | Head control. Use head movement to control |
| | | | the mouse pointer. |
| Chording keyboards. Have a handful of keys | | | | |
| (one per digit per hand) to type by | | | | Software Double-click speed is a feature of |
| ‘chords’ which produce different | | | | Microsoft Windows. |
| letters and keys. | | | | |
| | | | ClickLock is a feature of Microsoft Windows. |
| Expanded keyboards. Keys are larger and more | | | | Locks a mouse button down so that items can |
| widely spaced. | | | | be dragged around the screen. |
| | | | |
| Compact and miniature keyboards. A smaller | | | | Mouse speed is a feature of Microsoft |
| version of the standard keyboard. | | | | Windows. Sets how far and fast the pointer |
| | | | moves on the screen. |
| Dvorak alternative keyboard layout. An | | | | |
| ergonomic keyboard layout, where the most | | | | Pointer size is a feature of Microsoft |
| common keys are located at either the left or | | | | Windows. Changes can be made to the size, |
| right side of the keyboard. | | | | colour or shape. |
| | | | |
| Height-adjustable computer table Software | | | | MouseKeys is a feature of Microsoft Windows |
| Sticky keys is a feature of Microsoft Windows | | | | 95 onwards. Configures the numeric keypad at |
| 95 onwards and Mac OS X operating systems. | | | | the right-hand side of the keyboard to |
| Allows characters or commands to be typed | | | | control the mouse pointer. |
| without having to hold down a modifier key | | | | |
| (Shift, Ctrl, Alt) while pressing a second | | | | Macros is a feature of Microsoft Word. A |
| key. | | | | particular sequence of keyboard operations |
| | | | are ‘recorded’ and then |
| FilterKeys is a feature of Microsoft Windows | | | | ‘played back’ by pressing a |
| 95 onwards. Instructs the keyboard to ignore | | | | combination of keys. |
| brief or repeated keystrokes. | | | | |
| | | | Switch access and switches Switches allow |
| FilterKeys (Ignore repeated keystrokes) is a | | | | access to computers for people with severe |
| feature of Microsoft Windows 95 onwards. | | | | physical or cognitive difficulties. Mimics a |
| Adjusts the amount of time that elapses | | | | keyboard keystroke or mouse click. |
| before a character repeats when you hold down | | | | |
| a key. | | | | Switch interface. Used as an interface to |
| | | | connect a switch to the computer. |
| FilterKeys (Ignore quick keystrokes and slow | | | | |
| down the repeat rate) is a feature of | | | | Switch mounting. Used to mount a switch |
| Microsoft Windows 95 onwards. Adjusts the | | | | (sometimes in conjunction with a mounting |
| speed at which a character repeats when you | | | | plate). |
| hold down a key. | | | | |
| | | | Switch accessible software. Software which is |
| ToggleKeys is a feature of Microsoft Windows | | | | accessible via a switch. |
| 95 onwards. A high sound is heard when the | | | | |
| CAPS LOCK, SCROLL LOCK, or NUM LOCK key is | | | | Learning difficulties Hardware Keyboards with |
| switched on and a low sound is heard when any | | | | lowercase keys Keyboards with big keys |
| of those keys are switched off. | | | | Symbols based software Touchscreen Word |
| | | | processor with speech software Software Age |
| Accessing the mouse Hardware Wristrests and | | | | appropriate software Cause and effect |
| supports. Wristrests support the hand so that | | | | software Hand-eye co-ordination skills |
| there is less strain on the wrist; arm | | | | software |