For people who use scanning devices, dynamic keyboards have been shown to reduce the number of key selections necessary or the latency between two selections; for people using pointing devices
, dynamic keyboards have been shown to reduce the displacement of the cursor.
Keyboard and pointing device
: Though you can get accustomed to almost any notebook keyboard, it's best to try before you buy.
Access is by various methods, such as a mouse, trackball, touch screen, joystick, head wand, eye gaze, or pointing device
What's more, despite the ergonomics of pointing devices
built into keyboards, you can't move around as quickly with them as you can with a separate mouse.
Ever since Xerox introduced Steve Jobs and Steven Wozniak to the device nicknamed the "mouse," there has been a revolution in the design of computer "pointing devices
." Tasks such as pointing, clicking, right clicking, dragging, and double clicking can be done using your head, foot, eyes, one finger, or even a single adaptive switch.
Two pointing devices
are also available - a two-button touch pad and a stainless steel track ball - which can be incorporated almost anywhere into these boards.
At that time, the interface was tasked primarily with supplanting the decade-old serial port, as well as ports like the PS/2 which are primarily used for pointing devices
. It was thought that, with 12Mbps throughput, USB would offer plenty of speed for add-ons such as speakers, mice, joy-sticks, CD-ROM drives, and printers.
The TransNote is the latest of IBM's popular Thinkpad notebooks, its innovative line that pioneered the now commonplace eraser head pointing devices
on many laptops.
If you hate your mouse and can't make friends with touch pads or pointing devices
, this pen-driven screen system is refreshing.
All the new notebooks feature enhanced graphics capabilities and Dell's DualPoint design that integrates two pointing devices
- a touch pad and a pointing stick.
NicheView, says the company, is less specifically tailored to a particular set of I/O devices (keyboards, pointing devices
, color and bit-mapped displays) than conventional browsers, and has a generic interface for input events such as keystrokes and clicks, and output streams which pass text blocks, images and other content to device drivers.
Many CPAs who travel a lot find their laptops' pointing devices
, which substitute for mice, difficult to work with.