Sorry, but there is no antonym for alphabet.
the alphabet has 26 letters in it
The 22 letter of the alphabet is V.
http://www.afb.org/braillebug/braille_print.asp
there are 33 letters in the cambodian alphabet
alphabet keys type letters and number keys type number alphabet keys:qwertyuiopasdfghjklzxcvbnm number keys:1234567890
Assuming you meant on a computer's keyboard? The alphabet keys are marked with the 26 letters of the alphabet, such as QWERTY and so on, and, basically, are used to type characters on to a document.
27 alphabet
26
Mathematicians frequently use the Greek alphabet.
Phonetic keys are often written using the International Phonetic Alphabet or IPA.
The home keys are simply the keys on the middle row of alphabet keys... A S D F G H J K L & ;
The functions keys on a laptop are sort of a shortcut for the user. They have function keys for volume, refresh and search to name a few. This is a way to complete your task faster.
because keys is placed in a way to improve the speed of the user(you can find expecial keys 3 ,2 where the alphabet is, and the las one close to the + sinbol in the key 5)
The home row keys are the initial resting place for fingers in touch typing. Once they are recognized, the location of keys for the rest of the alphabet are automatically known for a trained typist.
there is no "all" key on the keyboard
Here is how i categorize it: The alphabet keys: 26 Number keys: 20 Unless i accidentlely miscounted, the number of keys on a normal laptop or computer keyboard is 99.