The error in the output of a program that adds 4 + 6 is unlikely to be related to the size of the programmer's computer processor. The size of the processor typically doesn't cause arithmetic errors like this. Errors in program output are more likely due to issues in the program's code or logic.
The size of a computer processor refers to its architecture, such as whether it's 32-bit or 64-bit, but this doesn't directly affect basic arithmetic operations like addition. If the programmer encountered an error in this specific calculation, it's more likely a coding mistake or a problem elsewhere in the program.