Describir: Computability and unsolvability

 _____      ______    ______    ______               ___     _    _   
|  __ \\   /_   _//  /_____//  /_   _//     ___     / _ \\  | || | || 
| |  \ ||   -| ||-   `____ `    -| ||-     /   ||  | / \ || | || | || 
| |__/ ||   _| ||_   /___//     _| ||_    | [] ||  | \_/ || | \\_/ || 
|_____//   /_____//  `__ `     /_____//    \__ ||   \___//   \____//  
 -----`    `-----`   /_//      `-----`      -|_||   `---`     `---`   
                     `-`                     `-`                      
  _____   
 |  ___|| 
 | ||__   
 | ||__   
 |_____|| 
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