Negative response to a request (Negative Acknowledge) Switches the display back to the normal state (Shift In)Ĭhanges the meaning of the following characters (Data Link Escape)Ĭontrol characters assigned depending on the device used (Device Control) Switches to a special presentation (Shift Out) Moves the cursor back to the first position of the line (Carriage Return) The vertical tab lets the cursor jump to a predefined line (Vertical Tab) Lets the cursor move back one step (Backspace)Ī horizontal tab that moves the cursor within a row to the next predefined position (Horizontal Tab)Ĭauses the cursor to jump to the next line (Line Feed) Gives a positive answer to the request (Acknowledge) Marks the end of a completes transmission (End of Transmission)Ī request that requires a response (Enquiry) Indicates the end of the message (end of text) The null character prompts the device to do nothingĮnds the header and marks the beginning of a message. Here’s the list of 128 characters defined in the ASCII code.

Here’s the full list of ASCII characters, letters, symbols and signs, arranged in the order of character types. It was later expanded by IBM to an 8-bit code and 256 characters. It includes letters, punctuation marks, numbers and control characters. The code consists of 33 non-printable and 95 printable characters. Now, ISO 646 is the internationally defined character sets standard.ĪSCII started a 7-bit code, with 128 characters.

Approved by the American Standards Association (now known as ANSI for American National Standards Institute) in 1963, ASCII defined the standard for displaying characters on electronic devices.Īlmost all computer systems today use the ASCII code to represent characters and texts. ASCII is an abbreviation for the American Standard Code for Information Interchange.

Ascii text flat symbol