Computer jargon

Several words of the typewriter age have survived into the personal computer era. Examples include:

* backspace – a keystroke that moved the cursor backwards one position (on a physical platen, this is the exact opposite of the space key), for the purpose of overtyping a character. This could be for combining characters (e.g. an apostrophe, backspace, and period make an exclamation point - a character missing on some early typewriters), or for correction such as with the correcting tape that developed later.
* carbon copy – now in its abbreviated form "CC" designating copies of email messages (with no carbon paper involved).
* carriage return (CR) – indicating an end of line and return to the first column of text.
* cursor – a marker used to indicate where the next character will be printed.
* cut and paste – taking text, a table, or an image and pasting it into a document. The term originated when such compound documents were created using manual paste up techniques: actual brushes and paste were very early on replaced by hot-wax machines equipped with cylinders that applied melted wax to developed prints of "typeset" copy. This copy was then cut with knives and rulers and slid into position on layout sheets on slanting tables. After the "copy" had been correctly positioned and squared up using a T-square and set square, it was pressed down with a brayer, or roller. The whole point of the exercise was to create so-called "camera-ready copy" which existed only to be photographed and then printed, usually by offset lithography.
* line feed (LF), aka "newline" – standing for moving the cursor to the next on-screen line of text in a word processor document.
* shift – a modifier key used to type capital letters and other alternate "upper" characters, would previously shift a typewriter's print carriage to allow a different stamp (such as 'D' instead of 'd') to press into the ribbon and print on a page.
* tty, short for teletypewriter, is used in Unix-like operating systems to designate a given "terminal".


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