The phrase "alphanumeric keyboards" is correct and usable in written English.
It can be used to refer to keyboards that include both letters and numbers, typically found on computers and other devices.
Example: "Most modern devices come equipped with alphanumeric keyboards, making data entry more efficient."
Alternatives: "letter-number keyboards" or "keyboards with letters and numbers".
It shows that it is possible to fit a proper alphanumeric keyboard into a small device.
The piano-like keyboard was later replaced with an alphanumeric keyboard, which saved the operator from having to memorise chords.
Figure 3 Pressure sensitive alphanumeric keyboard (biokeyboard).
The keyboard operates just as a normal alphanumeric keyboard in addition to measuring keystroke pressure.
The alphanumeric keyboard (biokeyboard) extracts the pressure template for the password entered.
alphanumeric keyboard (biokeyboard) embedded with force sensors to measure the keystroke pressure while typing; data acquisition system consisting of the following components: (a) analog interface box (filtering and amplification of signal), (b) DAQ PCI card fitted into the PC. .
* GSM cellular data modem expansion pack, optional (in North America) * Magnesium enclosure – Survives multiple 5 foot drops to concrete * Robust alphanumeric keyboard for high production data entry * Outdoor readable color display * Supports two batteries offering up to 32 hours runtime * Two RS-232 serial ports, host and client USB ports * Windows Mobile 6.1 with integrated Bluetooth and Wi-Fi.
The expressive impoverishment of these punctuation marks is illuminated more clearly than when these three keys are hidden within a full alphanumeric keyboard on an AAC device.
A woven RFID tag could be read by a wireless reader (and, no doubt, eventually by a smartphone app too which could lead to some embarrassment when someone scans your new Prada number and discovers it's a knock-off).Researchers have also used conductive yarn to embroider alphanumeric and musical keyboards into fabric.
This allows the whole technical aspect of the piece to be completely controlled by the soloist, using music keyboards instead of alphanumeric ones.
