Answer:A keyboard layout is any specific physical, visual or functional arrangement of the keys, legends, or key-meaning associations of a computer keyboard, mobile phone, or other computer-controlled typographic keyboard.
An output device is any peripheral that receives data from a computer, usually for display, projection
A printer is an output device that prints paper documents. This includes text documents, images, or a combination of both
Laser Printers and LED printers
Explanation:
Any program can be an executable, and it can be named anything the user chooses, and would still function exactly the same.
PC games are often run via an executable. If you rename that executable to something else, it will still function perfectly fine.
Therefore, one character long executable programs are just executable programs that have been renamed one character long, and will function as intended.
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