Updated: 05/02/2021 by Computer Hope

One may refer to any of the following:

1. One is a numerical value represented as "1" that's the first positive number following the zero. On a computer keyboard with a numeric keypad, there are two 1's. One on the top row of numbers and the other 1 on the keypad.

What symbol is on the 1 key?

On U.S. keyboards, the 1 key is on the same key has the exclamation mark (!).

Other computer terms with "one" in them

The following list is other computer-related terms with the word "one" in them.


For computer terms that start with the number 1, see our computer number terms.

2. In binary, 1 is equal to On.


In ASCII, the numerical value of "1" is "049" in decimal (00110001 in binary). To count to "1" in binary it would be 00000001.

3. The number 1 is also with the Command+1 and Ctrl+1 keyboard shortcuts.

4. The number 1 is used as chat slang to say "one" or "won." For example, someone could shorten "someone" into "some1."

5. With leetspeak, the number 1 is used in place of the letter "l" (L) in text.