The task involved here is to combine the two sting variables separated with a comma. in visual basic string concatenation can be be done with & operator the + (addition) operator may also be used as well, but this is not recommended. Observe that the lblFullName control was assigned three strings (strLastName, ", " and strFirstNam) The comma in the quotation marks is also treated as a string.
An input device would be anything you would use to change certain functionality, for instance a Mouse or Keyboard is an input device because it helps you input letters or clicks into the computer.
