i also confused about that!
but I search the answer on Google. it shows that "DES uses a 56-bit key, so there are 256 possible keys"
Practice, practice, practice, especially from many different songs in as many different keys as possible. Try to practice at least an hour a day.
Different keyboards have different numbers of keys. Some have 104 keys; others may have only 89. To find out how many keys are on your keyboard, count them.
In dbms with m attributes 2^m-1 keys are possible. BY-ROHIT
25! = 2^84
12
Every guitar can be played in any key. The keys will repeat as you go higher up on the neck. The amount of frets will dictate how many times certain keys can be repeated, but most keys can be played in two different octaves.
There is no standard computer keyboard, although many manufacturers imitate the keyboards of PCs. There are actually three different PC keyboards: the original PC keyboard, with 84 keys; the AT keyboard, also with 84 keys; and the enhanced keyboard, with 101 keys.
There are many different variations that are possible for colors on cartoon bees and it really depends on the artist. The most typical color scheme of a cartoon bee however is yellow and black.
It makes it more of a MOBILE device instead of having so many keys, and to put them on one makes it harder for someone with far thumbs to use it.
check youtube.com they have several in many different keys.
zero, all the keys have different letters, numbers, or symbols
Almost every modern piano has 36 black keys and 52 white keys for a total of 88 keys in all.