ASCII
A captcha is a web technology to find out whether you are a human being or a computer. Usually the user is required to identify the letters and numbers in a code which machines are unable to read.
the letters plm
The BASIC computer command that calls letters and numbers up on a screen is the print command.
If you have a "QWERTY" keyboard, which is the most common type of keyboard, the letter "R" is located between the letters "E" and "T."
If the spaces have been inserted between the letters it is called kerning. If the spaces are put between paragraphs or other elements it is simply called formatting (layout).
Windows and Linux use device letters to identify each storage device on a computer.
Files are identified uniquely by their filename and path name(or folder).
The letters that identify elements , are called Symbols.
Those letters spell exchange.
Toggles the computer between insert and overwrite mode. Put your cursor between two letters in a word. When you are in INS mode, you will push the letters to the right as you type. When you are in OVR mode, you will type over the letters and replace them with the letters you type.
Communication by the exchange of letters
The answer depends on what level you are talking about and what kind of computer you are talking about. A standard PC running a Microsoft Windows OS is going to identify the physical drives by numbers, starting with "drive 0". The physical drives can then be broken into virtual drives and assigned drive letters. You will usually be using letters to work with the drives. Bytes are the units that measure the capacity of the drive, so the bytes are not really used to identify the drive.
Computer modeling involves using a computer program to predict the outcomes of future situations. These types of programs are usually used in fields like economics and various sciences.
Correspondence is communication via letters/the exchange of letters/agreeing/similarity or analogy.
A captcha is a web technology to find out whether you are a human being or a computer. Usually the user is required to identify the letters and numbers in a code which machines are unable to read.
Friendly intercourse; reciprocal exchange of civilities; especially, intercourse between persons by means of letters., The letters which pass between correspondents., Mutual adaptation, relation, or agreement, of one thing to another; agreement; congruity; fitness; relation.
Those letters identify the type of university law degree he has.