Q

Queue
To avoid any confusion, this term is pronounced exactly like the letter "Q". It is not pronounced "kay" or "kyoo-ee" like some people seem to think it is. A queue is a list of jobs that are awaiting to be processed. When when a job is sent to a queue, it is simply added to the list of jobs. Computer programs often work with queues as a way to order tasks. For example, when the CPU finishes one computation, it will process the next one in the queue.

A printer queue is a list of documents that are waiting to be printed. When you decide to print a document, it is sent to the printer queue. If there are no jobs currently in the queue, the document will be printed immediately. However, if there are jobs already in the queue, the new document will be added to the list and printed when the others have finished. Most printers today come with software that allows you to manually sort, cancel, and add jobs to the printer queue. While this may not seem like a great benefit for the typical home user, it can be a helpful tool for businesses where many people share one printer.
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QuickTime
This is a multimedia technology developed by our friends at Apple Computer. It is a popular format for creating and storing sound, graphics, and movie (.mov) files. Though it is an Apple technology, QuickTime software is available for both the Mac and the PC.
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QWERTY
This term is used to describe a standard (Latin alphabet-based) keyboard. Why? Because the first six keys in the upper-left part of the keyboard spell out Q-W-E-R-T-Y. I suppose you could call it a QWERTYUIOP keyboard, but QWERTY is a lot easier to say. In case you are wondering why the QWERTY keyboard is arranged like it is, the original reason was to reduce the jamming of typebars in typewriters as they moved to strike the paper.

In 1932, August Dvorak developed what was intended to be a more efficient keyboard, in which he placed the vowels and the five most common consonants in the middle row, based on the idea that an alternating rhythm would be established between the right and left hands. Though the keys on the Dvorak keyboard were more efficiently arranged, it was and still is too much of a pain for people to switch from the familiar QWERTY arrangement.
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